FreeCalypso > hg > freecalypso-reveng
view compal/c139-boot.disasm @ 310:ae39d76d5b7a
moko1-fw-disasm: simple analysis of init module
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Fri, 31 Jan 2020 22:45:18 +0000 |
| parents | 49c7cda96f04 |
| children |
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RESET entry and exception vectors: 0: ea000225 b 0x89c 4: ea000825 b 0x20a0 8: ea000825 b 0x20a4 c: ea000825 b 0x20a8 10: ea000825 b 0x20ac 14: ea000825 b 0x20b0 18: ea000825 b 0x20b4 1c: ea000825 b 0x20b8 ; some magic words? 20: 444efc57 24: 444efc58 28: 444efc86 2c: 444efc87 ; different in the C140 specimen: 20: 44b1b707 24: 44b1b708 28: 44b1b735 2c: 44b1b736 <30-7FF: all FFs> 00000800: 42 4F 4F 54 2E 39 30 2E 30 34 00 00 00 00 00 00 BOOT.90.04...... 00000810: 31 30 30 33 01 01 00 00 FF FF FF FF FF FF FF FF 1003............ 00000820: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ................ 830: 00000006 ... 83c: 00000048 840: 00000044 844: 00000052 848: 0000001b 84c: 00000005 ... 860: 000000fa 864: ffff5800 868: ffff5000 86c: fffffb00 870: 02a1 872: 02a1 874: 02a1 876: 0283 878: 0281 87a: 00c0 87c: 0040 87e: 002a 880: 00000040 884: fffffd00 888: ffff9800 88c: fffffb10 890: ffffff08 894: 1081 896: 2006 898: 0800 89a: 0000 ; RESET entry point ; set VCLKOUT_DIV2 in FFFF:FD02 register 89c: e51f1020 ldr r1, =0xfffffd00 ; via 0x884 8a0: e1d120b2 ldrh r2, [r1, #2] 8a4: e51f002c ldr r0, =0x40 ; via 0x880 8a8: e1800002 orr r0, r0, r2 8ac: e1c100b2 strh r0, [r1, #2] ; PLL disable (power-up state) 8b0: e51f1030 ldr r1, =0xffff9800 ; via 0x888 8b4: e15f22b6 ldrh r2, =0x2006 ; via 0x896 8b8: e1c120b0 strh r2, [r1] 8bc: e5912000 ldr r2, [r1] 8c0: e2022001 and r2, r2, #1 8c4: e3520001 cmp r2, #1 8c8: 0afffffb beq 0x8bc ; Write power-up default value into FFFF:FD00 8cc: e51f1050 ldr r1, =0xfffffd00 ; via 0x884 8d0: e15f24b4 ldrh r2, =0x1081 ; via 0x894 8d4: e1c120b0 strh r2, [r1] ; Disable DU 8d8: e51f1054 ldr r1, =0xfffffb10 ; via 0x88c 8dc: e15f24bc ldrh r2, =0x800 ; via 0x898 8e0: e1d100b0 ldrh r0, [r1] 8e4: e1800002 orr r0, r0, r2 8e8: e1c100b0 strh r0, [r1] ; Disable all MPU regions 8ec: e51f1064 ldr r1, =0xffffff08 ; via 0x890 8f0: e15f25be ldrh r2, =0x0 ; via 0x89a 8f4: e1c120b0 strh r2, [r1] ; Memory timings 8f8: e51f1094 ldr r1, =0xfffffb00 ; via 0x86c 8fc: e15f29b4 ldrh r2, =0x2a1 ; via 0x870 900: e1c120b0 strh r2, [r1] 904: e15f29ba ldrh r2, =0x2a1 ; via 0x872 908: e1c120b2 strh r2, [r1, #2] 90c: e15f2ab0 ldrh r2, =0x2a1 ; via 0x874 910: e1c120b4 strh r2, [r1, #4] 914: e15f2ab6 ldrh r2, =0x283 ; via 0x876 918: e1c120b6 strh r2, [r1, #6] 91c: e15f2abc ldrh r2, =0x281 ; via 0x878 920: e1c120ba strh r2, [r1, #10] ; 0xa 924: e15f2bb2 ldrh r2, =0xc0 ; via 0x87a 928: e1c120bc strh r2, [r1, #12] ; 0xc 92c: e15f2bb8 ldrh r2, =0x40 ; via 0x87c 930: e1c120b8 strh r2, [r1, #8] 934: e15f2bbe ldrh r2, =0x2a ; via 0x87e 938: e1c120be strh r2, [r1, #14] ; 0xe ; set up stack 93c: e59f0020 ldr r0, =0x83e574 ; via 0x964 940: e3a01b01 mov r1, #1024 ; 0x400 944: e2411004 sub r1, r1, #4 948: e0802001 add r2, r0, r1 94c: e3c22003 bic r2, r2, #3 950: e1a0d002 mov sp, r2 ; business logic 954: e92d100f stmdb sp!, {r0, r1, r2, r3, r12} 958: eb000534 bl 0x1e30 95c: e8bd100f ldmia sp!, {r0, r1, r2, r3, r12} 960: ea0005e4 b 0x20f8 ; C139 specimen: 964: 0083e574 ; different in the C140 specimen: 964: 0083e55c ; mask all interrupts in INTH 968: 4961 ldr r1, =0xfffffa08 ; via 0xaf0 96a: 4862 ldr r0, =0xffff ; via 0xaf4 96c: 8008 strh r0, [r1, #0] 96e: 4862 ldr r0, =0xfffffa0a ; via 0xaf8 970: 211f mov r1, #31 ; 0x1f 972: 8001 strh r1, [r0, #0] ; disable watchdog 974: 4861 ldr r0, =0xfffff804 ; via 0xafc 976: 21f5 mov r1, #245 ; 0xf5 978: 8001 strh r1, [r0, #0] 97a: 21a0 mov r1, #160 ; 0xa0 97c: 8001 strh r1, [r0, #0] ; disable PLL 97e: 4860 ldr r0, =0xffff9800 ; via 0xb00 980: 4960 ldr r1, =0x2002 ; via 0xb04 982: 8001 strh r1, [r0, #0] 984: 485e ldr r0, =0xffff9800 ; via 0xb00 986: 8800 ldrh r0, [r0, #0] 988: 0840 lsr r0, r0, #1 98a: d2fb bcs 0x984 ; 0x1001 written into FFFF:FD00 - same as power-up default ; except for one reserved bit 98c: 495e ldr r1, =0xfffffd00 ; via 0xb08 98e: 485f ldr r0, =0x1001 ; via 0xb0c 990: 8008 strh r0, [r1, #0] 992: 46f7 mov pc, lr 994: b500 push {lr} 996: b0ff sub sp, #508 ; 0x1fc 998: b0ca sub sp, #296 ; 0x128 99a: 2000 mov r0, #0 99c: 9001 str r0, [sp, #4] 99e: 9801 ldr r0, [sp, #4] 9a0: 2800 cmp r0, #0 9a2: d14e bne 0xa42 9a4: a846 add r0, sp, #280 ; 0x118 9a6: 2100 mov r1, #0 9a8: f001 f86e bl 0x1a88 9ac: a9c8 add r1, sp, #800 ; 0x320 9ae: 7008 strb r0, [r1, #0] 9b0: a846 add r0, sp, #280 ; 0x118 9b2: a902 add r1, sp, #8 9b4: f000 fb2c bl 0x1010 9b8: 9000 str r0, [sp, #0] 9ba: 9800 ldr r0, [sp, #0] 9bc: 2800 cmp r0, #0 9be: d01b beq 0x9f8 9c0: a924 add r1, sp, #144 ; 0x90 9c2: 4668 mov r0, sp 9c4: 7a00 ldrb r0, [r0, #8] 9c6: 7008 strb r0, [r1, #0] 9c8: 2191 mov r1, #145 ; 0x91 9ca: 466a mov r2, sp 9cc: 4668 mov r0, sp 9ce: 7800 ldrb r0, [r0, #0] 9d0: 5488 strb r0, [r1, r2] 9d2: e01b b 0xa0c 9d4: a802 add r0, sp, #8 9d6: a924 add r1, sp, #144 ; 0x90 9d8: f000 fe08 bl 0x15ec 9dc: e016 b 0xa0c 9de: a802 add r0, sp, #8 9e0: a924 add r1, sp, #144 ; 0x90 9e2: aac8 add r2, sp, #800 ; 0x320 9e4: 7812 ldrb r2, [r2, #0] 9e6: f000 fe15 bl 0x1614 9ea: e00f b 0xa0c 9ec: a802 add r0, sp, #8 9ee: a924 add r1, sp, #144 ; 0x90 9f0: f000 fe47 bl 0x1682 9f4: 90c7 str r0, [sp, #796] ; 0x31c 9f6: e009 b 0xa0c 9f8: 4668 mov r0, sp 9fa: 7a00 ldrb r0, [r0, #8] 9fc: 2800 cmp r0, #0 9fe: d0e9 beq 0x9d4 a00: 3809 sub r0, #9 a02: 2800 cmp r0, #0 a04: d0eb beq 0x9de a06: 3801 sub r0, #1 a08: 2800 cmp r0, #0 a0a: d0ef beq 0x9ec a0c: a824 add r0, sp, #144 ; 0x90 a0e: a986 add r1, sp, #536 ; 0x218 a10: f000 fbe1 bl 0x11d6 a14: 2800 cmp r0, #0 a16: d111 bne 0xa3c a18: a886 add r0, sp, #536 ; 0x218 a1a: a9c8 add r1, sp, #800 ; 0x320 a1c: 7809 ldrb r1, [r1, #0] a1e: f001 f808 bl 0x1a32 a22: 2800 cmp r0, #0 a24: d00a beq 0xa3c a26: 4668 mov r0, sp a28: 7a00 ldrb r0, [r0, #8] a2a: 280a cmp r0, #10 ; 0xa a2c: d106 bne 0xa3c a2e: a8c8 add r0, sp, #800 ; 0x320 a30: 7800 ldrb r0, [r0, #0] a32: f001 f959 bl 0x1ce8 a36: 98c7 ldr r0, [sp, #796] ; 0x31c a38: f000 fae8 bl 0x100c a3c: 9801 ldr r0, [sp, #4] a3e: 2800 cmp r0, #0 a40: d0b0 beq 0x9a4 a42: b07f add sp, #508 ; 0x1fc a44: b04a add sp, #296 ; 0x128 a46: bd00 pop {pc} a48: b500 push {lr} a4a: b0ff sub sp, #508 ; 0x1fc a4c: b0c8 sub sp, #288 ; 0x120 a4e: 2000 mov r0, #0 a50: 9000 str r0, [sp, #0] a52: a846 add r0, sp, #280 ; 0x118 a54: 2101 mov r1, #1 a56: f001 f817 bl 0x1a88 a5a: a9c6 add r1, sp, #792 ; 0x318 a5c: 7008 strb r0, [r1, #0] a5e: a8c6 add r0, sp, #792 ; 0x318 a60: 7800 ldrb r0, [r0, #0] a62: 28ff cmp r0, #255 ; 0xff a64: d031 beq 0xaca a66: a846 add r0, sp, #280 ; 0x118 a68: a902 add r1, sp, #8 a6a: f000 fad1 bl 0x1010 a6e: 9001 str r0, [sp, #4] a70: 9801 ldr r0, [sp, #4] a72: 2800 cmp r0, #0 a74: d014 beq 0xaa0 a76: a924 add r1, sp, #144 ; 0x90 a78: 4668 mov r0, sp a7a: 7a00 ldrb r0, [r0, #8] a7c: 7008 strb r0, [r1, #0] a7e: 2291 mov r2, #145 ; 0x91 a80: 4668 mov r0, sp a82: 4669 mov r1, sp a84: 7909 ldrb r1, [r1, #4] a86: 5411 strb r1, [r2, r0] a88: a824 add r0, sp, #144 ; 0x90 a8a: a986 add r1, sp, #536 ; 0x218 a8c: f000 fba3 bl 0x11d6 a90: 2800 cmp r0, #0 a92: d11a bne 0xaca a94: a886 add r0, sp, #536 ; 0x218 a96: a9c6 add r1, sp, #792 ; 0x318 a98: 7809 ldrb r1, [r1, #0] a9a: f000 ffca bl 0x1a32 a9e: e014 b 0xaca aa0: 4668 mov r0, sp aa2: 7a00 ldrb r0, [r0, #8] aa4: 2800 cmp r0, #0 aa6: d110 bne 0xaca aa8: a802 add r0, sp, #8 aaa: a924 add r1, sp, #144 ; 0x90 aac: f000 fd9e bl 0x15ec ab0: a824 add r0, sp, #144 ; 0x90 ab2: a986 add r1, sp, #536 ; 0x218 ab4: f000 fb8f bl 0x11d6 ab8: 2800 cmp r0, #0 aba: d104 bne 0xac6 abc: a886 add r0, sp, #536 ; 0x218 abe: a9c6 add r1, sp, #792 ; 0x318 ac0: 7809 ldrb r1, [r1, #0] ac2: f000 ffb6 bl 0x1a32 ac6: 2001 mov r0, #1 ac8: 9000 str r0, [sp, #0] aca: 9800 ldr r0, [sp, #0] acc: b07f add sp, #508 ; 0x1fc ace: b048 add sp, #288 ; 0x120 ad0: bd00 pop {pc} ; Main entry routine ad2: b500 push {lr} ad4: b082 sub sp, #8 ad6: f7ff ff47 bl 0x968 ; superfluous ada: f001 f8ad bl 0x1c38 ; UART init ade: f000 fd73 bl 0x15c8 ; zero a couple of vars ae2: f000 f81f bl 0xb24 ; serial protocol ae6: f000 f96a bl 0xdbe ; ftmtool voodoo aea: b002 add sp, #8 aec: bd00 pop {pc} aee: 46c0 nop (mov r8, r8) af0: fffffa08 af4: 0000ffff af8: fffffa0a afc: fffff804 b00: ffff9800 b04: 00002002 b08: fffffd00 b0c: 00001001 b10: e3a0d502 mov sp, #8388608 ; 0x800000 b14: e28dd802 add sp, sp, #131072 ; 0x20000 b18: e28fe005 add lr, pc, #5 b1c: e12fff1e bx lr b20: e1a00000 mov r0, r0 ; This function (0xb24, called from this bootloader's "main") calls ; 0xbac (serial download attempt) twice, first at 406250 baud, then ; at 115200 baud. Only the MODEM UART is tried, not IrDA. b24: b500 push {lr} b26: b082 sub sp, #8 ; select MODEM UART b28: 49ed ldr r1, =0x83ff00 ; via 0xee0 b2a: 48ee ldr r0, =0xffff5800 ; via 0xee4 b2c: 6008 str r0, [r1, #0] ; set it to /2 (406250 baud) b2e: 2000 mov r0, #0 b30: 2102 mov r1, #2 b32: f000 f9fb bl 0xf2c ; delay loop b36: 2000 mov r0, #0 b38: 9000 str r0, [sp, #0] b3a: 9900 ldr r1, [sp, #0] b3c: 2005 mov r0, #5 b3e: 0300 lsl r0, r0, #12 b40: 4281 cmp r1, r0 b42: d207 bcs 0xb54 b44: 9800 ldr r0, [sp, #0] b46: 3001 add r0, #1 b48: 9000 str r0, [sp, #0] b4a: 9900 ldr r1, [sp, #0] b4c: 2005 mov r0, #5 b4e: 0300 lsl r0, r0, #12 b50: 4281 cmp r1, r0 b52: d3f7 bcc 0xb44 ; 0xbac called at 406250 baud b54: f000 f82a bl 0xbac ; set it to /7 (115200 baud) b58: 2000 mov r0, #0 b5a: 2107 mov r1, #7 b5c: f000 f9e6 bl 0xf2c ; same delay loop again b60: 2000 mov r0, #0 b62: 9000 str r0, [sp, #0] b64: 9900 ldr r1, [sp, #0] b66: 2005 mov r0, #5 b68: 0300 lsl r0, r0, #12 b6a: 4281 cmp r1, r0 b6c: d207 bcs 0xb7e b6e: 9800 ldr r0, [sp, #0] b70: 3001 add r0, #1 b72: 9000 str r0, [sp, #0] b74: 9900 ldr r1, [sp, #0] b76: 2005 mov r0, #5 b78: 0300 lsl r0, r0, #12 b7a: 4281 cmp r1, r0 b7c: d3f7 bcc 0xb6e ; call 0xbac again, this time at 115200 baud b7e: f000 f815 bl 0xbac ; another (longer) delay loop, then return b82: 2000 mov r0, #0 b84: 9001 str r0, [sp, #4] b86: 9000 str r0, [sp, #0] b88: 9900 ldr r1, [sp, #0] b8a: 2005 mov r0, #5 b8c: 0400 lsl r0, r0, #16 b8e: 4281 cmp r1, r0 b90: d20a bcs 0xba8 b92: 9801 ldr r0, [sp, #4] b94: 3001 add r0, #1 b96: 9001 str r0, [sp, #4] b98: 9800 ldr r0, [sp, #0] b9a: 3001 add r0, #1 b9c: 9000 str r0, [sp, #0] b9e: 9900 ldr r1, [sp, #0] ba0: 2005 mov r0, #5 ba2: 0400 lsl r0, r0, #16 ba4: 4281 cmp r1, r0 ba6: d3f4 bcc 0xb92 ba8: b002 add sp, #8 baa: bd00 pop {pc} ; This function implements the entirety of the serial download protocol, ; see c139-boot.notes for the details. bac: b500 push {lr} bae: b088 sub sp, #32 ; 0x20 bb0: 48dd ldr r0, =0x800100 ; via 0xf28 bb2: 9005 str r0, [sp, #20] ; 0x14 bb4: 201b mov r0, #27 ; 0x1b bb6: f000 f95f bl 0xe78 bba: 20f6 mov r0, #246 ; 0xf6 bbc: f000 f95c bl 0xe78 bc0: 2002 mov r0, #2 bc2: f000 f959 bl 0xe78 bc6: 2000 mov r0, #0 bc8: f000 f956 bl 0xe78 bcc: 2041 mov r0, #65 ; 0x41 bce: f000 f953 bl 0xe78 bd2: 2001 mov r0, #1 bd4: f000 f950 bl 0xe78 bd8: 2040 mov r0, #64 ; 0x40 bda: f000 f94d bl 0xe78 bde: 2001 mov r0, #1 be0: 0300 lsl r0, r0, #12 be2: f000 f961 bl 0xea8 be6: 281b cmp r0, #27 ; 0x1b be8: d000 beq 0xbec bea: e0e6 b 0xdba bec: 2001 mov r0, #1 bee: 0300 lsl r0, r0, #12 bf0: f000 f95a bl 0xea8 bf4: 28f6 cmp r0, #246 ; 0xf6 bf6: d000 beq 0xbfa bf8: e0df b 0xdba bfa: 2001 mov r0, #1 bfc: 0300 lsl r0, r0, #12 bfe: f000 f953 bl 0xea8 c02: 2802 cmp r0, #2 c04: d000 beq 0xc08 c06: e0d8 b 0xdba c08: 2001 mov r0, #1 c0a: 0300 lsl r0, r0, #12 c0c: f000 f94c bl 0xea8 c10: 2800 cmp r0, #0 c12: d000 beq 0xc16 c14: e0d1 b 0xdba c16: 2001 mov r0, #1 c18: 0300 lsl r0, r0, #12 c1a: f000 f945 bl 0xea8 c1e: 2852 cmp r0, #82 ; 0x52 c20: d000 beq 0xc24 c22: e0ca b 0xdba c24: 2001 mov r0, #1 c26: 0300 lsl r0, r0, #12 c28: f000 f93e bl 0xea8 c2c: 2801 cmp r0, #1 c2e: d000 beq 0xc32 c30: e0c3 b 0xdba c32: 2001 mov r0, #1 c34: 0300 lsl r0, r0, #12 c36: f000 f937 bl 0xea8 c3a: 2853 cmp r0, #83 ; 0x53 c3c: d000 beq 0xc40 c3e: e0bc b 0xdba c40: 201b mov r0, #27 ; 0x1b c42: f000 f919 bl 0xe78 c46: 20f6 mov r0, #246 ; 0xf6 c48: f000 f916 bl 0xe78 c4c: 2002 mov r0, #2 c4e: f000 f913 bl 0xe78 c52: 2000 mov r0, #0 c54: f000 f910 bl 0xe78 c58: 2041 mov r0, #65 ; 0x41 c5a: f000 f90d bl 0xe78 c5e: 2002 mov r0, #2 c60: f000 f90a bl 0xe78 c64: 2043 mov r0, #67 ; 0x43 c66: f000 f907 bl 0xe78 c6a: 2001 mov r0, #1 c6c: 0300 lsl r0, r0, #12 c6e: f000 f91b bl 0xea8 c72: 4669 mov r1, sp c74: 7208 strb r0, [r1, #8] c76: 2002 mov r0, #2 c78: 7448 strb r0, [r1, #17] ; 0x11 c7a: 2000 mov r0, #0 c7c: 9000 str r0, [sp, #0] c7e: 9800 ldr r0, [sp, #0] c80: 2802 cmp r0, #2 c82: d215 bcs 0xcb0 c84: 2001 mov r0, #1 c86: 0300 lsl r0, r0, #12 c88: f000 f90e bl 0xea8 c8c: 4669 mov r1, sp c8e: 9a00 ldr r2, [sp, #0] c90: 1a89 sub r1, r1, r2 c92: 7348 strb r0, [r1, #13] ; 0xd c94: 4669 mov r1, sp c96: 9800 ldr r0, [sp, #0] c98: 1a08 sub r0, r1, r0 c9a: 7b40 ldrb r0, [r0, #13] ; 0xd c9c: 7c49 ldrb r1, [r1, #17] ; 0x11 c9e: 4048 eor r0, r1 ca0: 4669 mov r1, sp ca2: 7448 strb r0, [r1, #17] ; 0x11 ca4: 9800 ldr r0, [sp, #0] ca6: 3001 add r0, #1 ca8: 9000 str r0, [sp, #0] caa: 9800 ldr r0, [sp, #0] cac: 2802 cmp r0, #2 cae: d3e9 bcc 0xc84 cb0: 4668 mov r0, sp cb2: 8980 ldrh r0, [r0, #12] ; 0xc cb4: 466a mov r2, sp cb6: 1e41 sub r1, r0, #1 cb8: 8191 strh r1, [r2, #12] ; 0xc cba: 2800 cmp r0, #0 cbc: d016 beq 0xcec cbe: 2001 mov r0, #1 cc0: 0300 lsl r0, r0, #12 cc2: f000 f8f1 bl 0xea8 cc6: 9905 ldr r1, [sp, #20] ; 0x14 cc8: 7008 strb r0, [r1, #0] cca: 9805 ldr r0, [sp, #20] ; 0x14 ccc: 7800 ldrb r0, [r0, #0] cce: 4669 mov r1, sp cd0: 7c49 ldrb r1, [r1, #17] ; 0x11 cd2: 4048 eor r0, r1 cd4: 4669 mov r1, sp cd6: 7448 strb r0, [r1, #17] ; 0x11 cd8: 9805 ldr r0, [sp, #20] ; 0x14 cda: 3001 add r0, #1 cdc: 9005 str r0, [sp, #20] ; 0x14 cde: 4668 mov r0, sp ce0: 8981 ldrh r1, [r0, #12] ; 0xc ce2: 466a mov r2, sp ce4: 1e48 sub r0, r1, #1 ce6: 8190 strh r0, [r2, #12] ; 0xc ce8: 2900 cmp r1, #0 cea: d1e8 bne 0xcbe cec: 2001 mov r0, #1 cee: 0300 lsl r0, r0, #12 cf0: f000 f8da bl 0xea8 cf4: 4669 mov r1, sp cf6: 7408 strb r0, [r1, #16] ; 0x10 cf8: 4668 mov r0, sp cfa: 7c00 ldrb r0, [r0, #16] ; 0x10 cfc: 7c49 ldrb r1, [r1, #17] ; 0x11 cfe: 4288 cmp r0, r1 d00: d015 beq 0xd2e d02: 201b mov r0, #27 ; 0x1b d04: f000 f8b8 bl 0xe78 d08: 20f6 mov r0, #246 ; 0xf6 d0a: f000 f8b5 bl 0xe78 d0e: 2002 mov r0, #2 d10: f000 f8b2 bl 0xe78 d14: 2000 mov r0, #0 d16: f000 f8af bl 0xe78 d1a: 2045 mov r0, #69 ; 0x45 d1c: f000 f8ac bl 0xe78 d20: 2053 mov r0, #83 ; 0x53 d22: f000 f8a9 bl 0xe78 d26: 2016 mov r0, #22 ; 0x16 d28: f000 f8a6 bl 0xe78 d2c: e045 b 0xdba d2e: 2081 mov r0, #129 ; 0x81 d30: 0100 lsl r0, r0, #4 d32: 9006 str r0, [sp, #24] ; 0x18 d34: 48af ldr r0, =0x803ce0 ; via 0xff4 d36: 9007 str r0, [sp, #28] ; 0x1c d38: 2000 mov r0, #0 d3a: 9000 str r0, [sp, #0] d3c: 9800 ldr r0, [sp, #0] d3e: 2804 cmp r0, #4 d40: d221 bcs 0xd86 d42: 9900 ldr r1, [sp, #0] d44: 9806 ldr r0, [sp, #24] ; 0x18 d46: 5c0a ldrb r2, [r1, r0] d48: 9900 ldr r1, [sp, #0] d4a: 9807 ldr r0, [sp, #28] ; 0x1c d4c: 5c08 ldrb r0, [r1, r0] d4e: 4282 cmp r2, r0 d50: dd13 ble 0xd7a d52: 201b mov r0, #27 ; 0x1b d54: f000 f890 bl 0xe78 d58: 20f6 mov r0, #246 ; 0xf6 d5a: f000 f88d bl 0xe78 d5e: 2002 mov r0, #2 d60: f000 f88a bl 0xe78 d64: 2000 mov r0, #0 d66: f000 f887 bl 0xe78 d6a: 2041 mov r0, #65 ; 0x41 d6c: f000 f884 bl 0xe78 d70: 2003 mov r0, #3 d72: f000 f881 bl 0xe78 d76: 2057 mov r0, #87 ; 0x57 d78: e7d6 b 0xd28 d7a: 9800 ldr r0, [sp, #0] d7c: 3001 add r0, #1 d7e: 9000 str r0, [sp, #0] d80: 9800 ldr r0, [sp, #0] d82: 2804 cmp r0, #4 d84: d3dd bcc 0xd42 d86: 201b mov r0, #27 ; 0x1b d88: f000 f876 bl 0xe78 d8c: 20f6 mov r0, #246 ; 0xf6 d8e: f000 f873 bl 0xe78 d92: 2002 mov r0, #2 d94: f000 f870 bl 0xe78 d98: 2000 mov r0, #0 d9a: f000 f86d bl 0xe78 d9e: 2041 mov r0, #65 ; 0x41 da0: f000 f86a bl 0xe78 da4: 2003 mov r0, #3 da6: f000 f867 bl 0xe78 daa: 2042 mov r0, #66 ; 0x42 dac: f000 f864 bl 0xe78 db0: 484b ldr r0, =0x83ff00 ; via 0xee0 db2: 6800 ldr r0, [r0, #0] db4: 4990 ldr r1, =0x800100 ; via 0xff8 db6: f000 f85e bl 0xe76 dba: b008 add sp, #32 ; 0x20 dbc: bd00 pop {pc} dbe: b500 push {lr} dc0: b081 sub sp, #4 ; transmit "ftmtool" 7 bytes dc2: 2066 mov r0, #102 ; 0x66 dc4: f000 f858 bl 0xe78 dc8: 2074 mov r0, #116 ; 0x74 dca: f000 f855 bl 0xe78 dce: 206d mov r0, #109 ; 0x6d dd0: f000 f852 bl 0xe78 dd4: 2074 mov r0, #116 ; 0x74 dd6: f000 f84f bl 0xe78 dda: 206f mov r0, #111 ; 0x6f ddc: f000 f84c bl 0xe78 de0: 206f mov r0, #111 ; 0x6f de2: f000 f849 bl 0xe78 de6: 206c mov r0, #108 ; 0x6c de8: f000 f846 bl 0xe78 dec: 4983 ldr r1, =0x83ff80 ; via 0xffc dee: 2000 mov r0, #0 df0: 7008 strb r0, [r1, #0] ; delay loop df2: 9000 str r0, [sp, #0] df4: 9800 ldr r0, [sp, #0] df6: 0c00 lsr r0, r0, #16 df8: d105 bne 0xe06 dfa: 9800 ldr r0, [sp, #0] dfc: 3001 add r0, #1 dfe: 9000 str r0, [sp, #0] e00: 9800 ldr r0, [sp, #0] e02: 0c00 lsr r0, r0, #16 e04: d0f9 beq 0xdfa ; call Rx-char: expecting "yes" e06: 2007 mov r0, #7 e08: 0400 lsl r0, r0, #16 e0a: f000 f84d bl 0xea8 e0e: 2879 cmp r0, #121 ; 0x79 e10: d10e bne 0xe30 e12: 2001 mov r0, #1 e14: 0300 lsl r0, r0, #12 e16: f000 f847 bl 0xea8 e1a: 2865 cmp r0, #101 ; 0x65 e1c: d108 bne 0xe30 e1e: 2001 mov r0, #1 e20: 0300 lsl r0, r0, #12 e22: f000 f841 bl 0xea8 e26: 2873 cmp r0, #115 ; 0x73 e28: d102 bne 0xe30 e2a: 4874 ldr r0, =0x83ff80 ; via 0xffc e2c: 2101 mov r1, #1 e2e: 7001 strb r1, [r0, #0] ; "yes" and normal boot code paths merge e30: f000 f8ce bl 0xfd0 e34: 2800 cmp r0, #0 e36: d00d beq 0xe54 e38: 206d mov r0, #109 ; 0x6d e3a: f000 f81d bl 0xe78 e3e: 206f mov r0, #111 ; 0x6f e40: f000 f81a bl 0xe78 e44: 2064 mov r0, #100 ; 0x64 e46: f000 f817 bl 0xe78 e4a: 2065 mov r0, #101 ; 0x65 e4c: f000 f814 bl 0xe78 e50: 206d mov r0, #109 ; 0x6d e52: e00c b 0xe6e e54: 2065 mov r0, #101 ; 0x65 e56: f000 f80f bl 0xe78 e5a: 2072 mov r0, #114 ; 0x72 e5c: f000 f80c bl 0xe78 e60: 2072 mov r0, #114 ; 0x72 e62: f000 f809 bl 0xe78 e66: 206f mov r0, #111 ; 0x6f e68: f000 f806 bl 0xe78 e6c: 2072 mov r0, #114 ; 0x72 e6e: f000 f803 bl 0xe78 e72: b001 add sp, #4 e74: bd00 pop {pc} ; Called via Thumb-BL to transfer control to the downloaded image e76: 4708 bx r1 ; UART character output routine e78: b081 sub sp, #4 e7a: 4669 mov r1, sp e7c: 7008 strb r0, [r1, #0] e7e: 4818 ldr r0, =0x83ff00 ; via 0xee0 e80: 6800 ldr r0, [r0, #0] e82: 7940 ldrb r0, [r0, #5] e84: 0980 lsr r0, r0, #6 e86: d3fa bcc 0xe7e e88: 4815 ldr r0, =0x83ff00 ; via 0xee0 e8a: 6800 ldr r0, [r0, #0] e8c: 4669 mov r1, sp e8e: 7809 ldrb r1, [r1, #0] e90: 7001 strb r1, [r0, #0] e92: b001 add sp, #4 e94: 46f7 mov pc, lr e96: 4812 ldr r0, =0x83ff00 ; via 0xee0 e98: 6800 ldr r0, [r0, #0] e9a: 7940 ldrb r0, [r0, #5] e9c: 0840 lsr r0, r0, #1 e9e: d3fa bcc 0xe96 ea0: 480f ldr r0, =0x83ff00 ; via 0xee0 ea2: 6800 ldr r0, [r0, #0] ea4: 7800 ldrb r0, [r0, #0] ea6: 4770 bx lr ; UART character input with a timeout (number of LSR read tries passed ; in r0). Returns the character read if one was received, or 0xFF ; if timeout. ea8: b083 sub sp, #12 ; 0xc eaa: 9000 str r0, [sp, #0] eac: 9800 ldr r0, [sp, #0] eae: 9002 str r0, [sp, #8] eb0: 480b ldr r0, =0x83ff00 ; via 0xee0 eb2: 6800 ldr r0, [r0, #0] eb4: 7940 ldrb r0, [r0, #5] eb6: 0840 lsr r0, r0, #1 eb8: d20c bcs 0xed4 eba: 9802 ldr r0, [sp, #8] ebc: 3801 sub r0, #1 ebe: 9002 str r0, [sp, #8] ec0: 9802 ldr r0, [sp, #8] ec2: 2800 cmp r0, #0 ec4: d101 bne 0xeca ec6: 20ff mov r0, #255 ; 0xff ec8: e007 b 0xeda eca: 4805 ldr r0, =0x83ff00 ; via 0xee0 ecc: 6800 ldr r0, [r0, #0] ece: 7940 ldrb r0, [r0, #5] ed0: 0840 lsr r0, r0, #1 ed2: d3f2 bcc 0xeba ed4: 484a ldr r0, =0x83ff00 ; via 0x1000 ed6: 6800 ldr r0, [r0, #0] ed8: 7800 ldrb r0, [r0, #0] eda: b003 add sp, #12 ; 0xc edc: 4770 bx lr ede: 46c0 nop (mov r8, r8) ee0: 0083ff00 ee4: ffff5800 ee8: b081 sub sp, #4 eea: e001 b 0xef0 eec: 9800 ldr r0, [sp, #0] eee: 3801 sub r0, #1 ef0: 9000 str r0, [sp, #0] ef2: 4843 ldr r0, =0x83ff00 ; via 0x1000 ef4: 6800 ldr r0, [r0, #0] ef6: 7940 ldrb r0, [r0, #5] ef8: 0840 lsr r0, r0, #1 efa: d202 bcs 0xf02 efc: 9800 ldr r0, [sp, #0] efe: 2800 cmp r0, #0 f00: dcf4 bgt 0xeec f02: 9800 ldr r0, [sp, #0] f04: 2800 cmp r0, #0 f06: dd01 ble 0xf0c f08: 2000 mov r0, #0 f0a: e000 b 0xf0e f0c: 2001 mov r0, #1 f0e: b001 add sp, #4 f10: 4770 bx lr f12: b082 sub sp, #8 f14: 9000 str r0, [sp, #0] f16: 4669 mov r1, sp f18: 2000 mov r0, #0 f1a: 7188 strb r0, [r1, #6] f1c: 9900 ldr r1, [sp, #0] f1e: 4839 ldr r0, =0xfffef000 ; via 0x1004 f20: 8800 ldrh r0, [r0, #0] f22: 8008 strh r0, [r1, #0] f24: b002 add sp, #8 f26: 4770 bx lr f28: 00800100 ; This function (0xf2c) reprograms the UART selected by the 83FF00 ; var to the baud rate passed as arguments (div upper byte in R0, ; lower byte in R1) and flushes the Rx FIFO. f2c: b081 sub sp, #4 f2e: 466a mov r2, sp f30: 7051 strb r1, [r2, #1] f32: 4669 mov r1, sp f34: 7008 strb r0, [r1, #0] f36: 4934 ldr r1, =0xffff6000 ; via 0x1008 f38: 2002 mov r0, #2 f3a: 880a ldrh r2, [r1, #0] f3c: 4310 orr r0, r2 f3e: 8008 strh r0, [r1, #0] f40: 4831 ldr r0, =0xffff6000 ; via 0x1008 f42: 8801 ldrh r1, [r0, #0] f44: 0849 lsr r1, r1, #1 f46: 0049 lsl r1, r1, #1 f48: 8001 strh r1, [r0, #0] f4a: 492f ldr r1, =0xffff6000 ; via 0x1008 f4c: 8808 ldrh r0, [r1, #0] f4e: 2202 mov r2, #2 f50: 4390 bic r0, r2 f52: 8008 strh r0, [r1, #0] f54: 482a ldr r0, =0x83ff00 ; via 0x1000 f56: 6801 ldr r1, [r0, #0] f58: 2007 mov r0, #7 f5a: 7208 strb r0, [r1, #8] f5c: 4828 ldr r0, =0x83ff00 ; via 0x1000 f5e: 6801 ldr r1, [r0, #0] f60: 20bf mov r0, #191 ; 0xbf f62: 70c8 strb r0, [r1, #3] f64: 4826 ldr r0, =0x83ff00 ; via 0x1000 f66: 6800 ldr r0, [r0, #0] f68: 1c80 add r0, r0, #2 f6a: 2110 mov r1, #16 ; 0x10 f6c: 8802 ldrh r2, [r0, #0] f6e: 4311 orr r1, r2 f70: 8001 strh r1, [r0, #0] f72: 4823 ldr r0, =0x83ff00 ; via 0x1000 f74: 6801 ldr r1, [r0, #0] f76: 2080 mov r0, #128 ; 0x80 f78: 70c8 strb r0, [r1, #3] f7a: 4821 ldr r0, =0x83ff00 ; via 0x1000 f7c: 6800 ldr r0, [r0, #0] f7e: 2107 mov r1, #7 f80: 7081 strb r1, [r0, #2] f82: 481f ldr r0, =0x83ff00 ; via 0x1000 f84: 6800 ldr r0, [r0, #0] f86: 21bf mov r1, #191 ; 0xbf f88: 70c1 strb r1, [r0, #3] f8a: 481d ldr r0, =0x83ff00 ; via 0x1000 f8c: 6801 ldr r1, [r0, #0] f8e: 4668 mov r0, sp f90: 7840 ldrb r0, [r0, #1] f92: 7008 strb r0, [r1, #0] f94: 481a ldr r0, =0x83ff00 ; via 0x1000 f96: 6801 ldr r1, [r0, #0] f98: 4668 mov r0, sp f9a: 7800 ldrb r0, [r0, #0] f9c: 7048 strb r0, [r1, #1] f9e: 4818 ldr r0, =0x83ff00 ; via 0x1000 fa0: 6801 ldr r1, [r0, #0] fa2: 2003 mov r0, #3 fa4: 70c8 strb r0, [r1, #3] fa6: 4816 ldr r0, =0x83ff00 ; via 0x1000 fa8: 6800 ldr r0, [r0, #0] faa: 2100 mov r1, #0 fac: 7201 strb r1, [r0, #8] fae: 4814 ldr r0, =0x83ff00 ; via 0x1000 fb0: 6800 ldr r0, [r0, #0] fb2: 7940 ldrb r0, [r0, #5] fb4: 0840 lsr r0, r0, #1 fb6: d309 bcc 0xfcc fb8: 4669 mov r1, sp fba: 4811 ldr r0, =0x83ff00 ; via 0x1000 fbc: 6800 ldr r0, [r0, #0] fbe: 7800 ldrb r0, [r0, #0] fc0: 7088 strb r0, [r1, #2] fc2: 480f ldr r0, =0x83ff00 ; via 0x1000 fc4: 6800 ldr r0, [r0, #0] fc6: 7940 ldrb r0, [r0, #5] fc8: 0840 lsr r0, r0, #1 fca: d2f5 bcs 0xfb8 fcc: b001 add sp, #4 fce: 4770 bx lr fd0: 480a ldr r0, =0x83ff80 ; via 0xffc fd2: 7800 ldrb r0, [r0, #0] fd4: 4770 bx lr fd6: b500 push {lr} fd8: b081 sub sp, #4 fda: 4669 mov r1, sp fdc: 7008 strb r0, [r1, #0] fde: 4668 mov r0, sp fe0: 7800 ldrb r0, [r0, #0] fe2: f7ff ff49 bl 0xe78 fe6: b001 add sp, #4 fe8: bd00 pop {pc} fea: b500 push {lr} fec: f7ff ff53 bl 0xe96 ff0: bd00 pop {pc} ff2: 46c0 nop (mov r8, r8) ff4: 3ce0 sub r4, #224 ; 0xe0 ff6: 0080 lsl r0, r0, #2 ff8: 0100 lsl r0, r0, #4 ffa: 0080 lsl r0, r0, #2 ffc: ff80 <half-bl> ffe: 0083 lsl r3, r0, #2 1000: ff00 <half-bl> 1002: 0083 lsl r3, r0, #2 1004: f000 fffe bl 0x2004 1008: 6000 str r0, [r0, #0] 100a: ffff <half-bl> 100c: 4700 bx r0 100e: 0000 lsl r0, r0, #0 1010: b08c sub sp, #48 ; 0x30 1012: 9101 str r1, [sp, #4] 1014: 9000 str r0, [sp, #0] 1016: 2000 mov r0, #0 1018: 9003 str r0, [sp, #12] ; 0xc 101a: 9800 ldr r0, [sp, #0] 101c: 7801 ldrb r1, [r0, #0] 101e: 3001 add r0, #1 1020: 9000 str r0, [sp, #0] 1022: 9105 str r1, [sp, #20] ; 0x14 1024: 9800 ldr r0, [sp, #0] 1026: 7801 ldrb r1, [r0, #0] 1028: 3001 add r0, #1 102a: 9000 str r0, [sp, #0] 102c: 9801 ldr r0, [sp, #4] 102e: 7001 strb r1, [r0, #0] 1030: 2001 mov r0, #1 1032: 9004 str r0, [sp, #16] ; 0x10 1034: e0a8 b 0x1188 1036: 9804 ldr r0, [sp, #16] ; 0x10 1038: 3002 add r0, #2 103a: 9004 str r0, [sp, #16] ; 0x10 103c: 9800 ldr r0, [sp, #0] 103e: 7801 ldrb r1, [r0, #0] 1040: 3001 add r0, #1 1042: 9000 str r0, [sp, #0] 1044: 4668 mov r0, sp 1046: 8441 strh r1, [r0, #34] ; 0x22 1048: 9800 ldr r0, [sp, #0] 104a: 7801 ldrb r1, [r0, #0] 104c: 3001 add r0, #1 104e: 9000 str r0, [sp, #0] 1050: 4668 mov r0, sp 1052: 8401 strh r1, [r0, #32] ; 0x20 1054: 8c00 ldrh r0, [r0, #32] ; 0x20 1056: 4669 mov r1, sp 1058: 8c49 ldrh r1, [r1, #34] ; 0x22 105a: 0209 lsl r1, r1, #8 105c: 1840 add r0, r0, r1 105e: 9901 ldr r1, [sp, #4] 1060: 8088 strh r0, [r1, #4] 1062: 9804 ldr r0, [sp, #16] ; 0x10 1064: 3001 add r0, #1 1066: 9004 str r0, [sp, #16] ; 0x10 1068: 9800 ldr r0, [sp, #0] 106a: 7801 ldrb r1, [r0, #0] 106c: 3001 add r0, #1 106e: 9000 str r0, [sp, #0] 1070: 4668 mov r0, sp 1072: 7601 strb r1, [r0, #24] ; 0x18 1074: 9901 ldr r1, [sp, #4] 1076: 7e00 ldrb r0, [r0, #24] ; 0x18 1078: 7188 strb r0, [r1, #6] 107a: 4668 mov r0, sp 107c: 7e00 ldrb r0, [r0, #24] ; 0x18 107e: 2840 cmp r0, #64 ; 0x40 1080: dc00 bgt 0x1084 1082: e09f b 0x11c4 1084: 2004 mov r0, #4 1086: 9003 str r0, [sp, #12] ; 0xc 1088: e09c b 0x11c4 108a: 9804 ldr r0, [sp, #16] ; 0x10 108c: 3002 add r0, #2 108e: 9004 str r0, [sp, #16] ; 0x10 1090: 9800 ldr r0, [sp, #0] 1092: 7801 ldrb r1, [r0, #0] 1094: 3001 add r0, #1 1096: 9000 str r0, [sp, #0] 1098: 4668 mov r0, sp 109a: 8441 strh r1, [r0, #34] ; 0x22 109c: 9800 ldr r0, [sp, #0] 109e: 7801 ldrb r1, [r0, #0] 10a0: 3001 add r0, #1 10a2: 9000 str r0, [sp, #0] 10a4: 4668 mov r0, sp 10a6: 8401 strh r1, [r0, #32] ; 0x20 10a8: 8c00 ldrh r0, [r0, #32] ; 0x20 10aa: 4669 mov r1, sp 10ac: 8c49 ldrh r1, [r1, #34] ; 0x22 10ae: 0209 lsl r1, r1, #8 10b0: 1841 add r1, r0, r1 10b2: 9801 ldr r0, [sp, #4] 10b4: 8081 strh r1, [r0, #4] 10b6: 9804 ldr r0, [sp, #16] ; 0x10 10b8: 3001 add r0, #1 10ba: 9004 str r0, [sp, #16] ; 0x10 10bc: 9800 ldr r0, [sp, #0] 10be: 7801 ldrb r1, [r0, #0] 10c0: 3001 add r0, #1 10c2: 9000 str r0, [sp, #0] 10c4: 4668 mov r0, sp 10c6: 7601 strb r1, [r0, #24] ; 0x18 10c8: 9901 ldr r1, [sp, #4] 10ca: 7e00 ldrb r0, [r0, #24] ; 0x18 10cc: 7188 strb r0, [r1, #6] 10ce: 4668 mov r0, sp 10d0: 7e00 ldrb r0, [r0, #24] ; 0x18 10d2: 2840 cmp r0, #64 ; 0x40 10d4: dcd6 bgt 0x1084 10d6: 9801 ldr r0, [sp, #4] 10d8: 3008 add r0, #8 10da: 9007 str r0, [sp, #28] ; 0x1c 10dc: 2000 mov r0, #0 10de: 9002 str r0, [sp, #8] 10e0: 9902 ldr r1, [sp, #8] 10e2: 4668 mov r0, sp 10e4: 7e00 ldrb r0, [r0, #24] ; 0x18 10e6: 4281 cmp r1, r0 10e8: da6c bge 0x11c4 10ea: 9800 ldr r0, [sp, #0] 10ec: 7801 ldrb r1, [r0, #0] 10ee: 3001 add r0, #1 10f0: 9000 str r0, [sp, #0] 10f2: 4668 mov r0, sp 10f4: 84c1 strh r1, [r0, #38] ; 0x26 10f6: 9800 ldr r0, [sp, #0] 10f8: 7801 ldrb r1, [r0, #0] 10fa: 3001 add r0, #1 10fc: 9000 str r0, [sp, #0] 10fe: 4668 mov r0, sp 1100: 8481 strh r1, [r0, #36] ; 0x24 1102: 9807 ldr r0, [sp, #28] ; 0x1c 1104: 1c81 add r1, r0, #2 1106: 9107 str r1, [sp, #28] ; 0x1c 1108: 4669 mov r1, sp 110a: 8c89 ldrh r1, [r1, #36] ; 0x24 110c: 466a mov r2, sp 110e: 8cd2 ldrh r2, [r2, #38] ; 0x26 1110: 0212 lsl r2, r2, #8 1112: 1889 add r1, r1, r2 1114: 8001 strh r1, [r0, #0] 1116: 9804 ldr r0, [sp, #16] ; 0x10 1118: 3002 add r0, #2 111a: 9004 str r0, [sp, #16] ; 0x10 111c: 9802 ldr r0, [sp, #8] 111e: 3001 add r0, #1 1120: 9002 str r0, [sp, #8] 1122: 9902 ldr r1, [sp, #8] 1124: 4668 mov r0, sp 1126: 7e00 ldrb r0, [r0, #24] ; 0x18 1128: 4281 cmp r1, r0 112a: dbde blt 0x10ea 112c: e04a b 0x11c4 112e: 9804 ldr r0, [sp, #16] ; 0x10 1130: 3002 add r0, #2 1132: 9004 str r0, [sp, #16] ; 0x10 1134: 9800 ldr r0, [sp, #0] 1136: 7801 ldrb r1, [r0, #0] 1138: 3001 add r0, #1 113a: 9000 str r0, [sp, #0] 113c: 4668 mov r0, sp 113e: 8501 strh r1, [r0, #40] ; 0x28 1140: 9800 ldr r0, [sp, #0] 1142: 7801 ldrb r1, [r0, #0] 1144: 3001 add r0, #1 1146: 9000 str r0, [sp, #0] 1148: 4668 mov r0, sp 114a: 8541 strh r1, [r0, #42] ; 0x2a 114c: 8d41 ldrh r1, [r0, #42] ; 0x2a 114e: 8d00 ldrh r0, [r0, #40] ; 0x28 1150: 0200 lsl r0, r0, #8 1152: 1809 add r1, r1, r0 1154: 9801 ldr r0, [sp, #4] 1156: 8081 strh r1, [r0, #4] 1158: 9804 ldr r0, [sp, #16] ; 0x10 115a: 3002 add r0, #2 115c: 9004 str r0, [sp, #16] ; 0x10 115e: 9800 ldr r0, [sp, #0] 1160: 7801 ldrb r1, [r0, #0] 1162: 3001 add r0, #1 1164: 9000 str r0, [sp, #0] 1166: 4668 mov r0, sp 1168: 8581 strh r1, [r0, #44] ; 0x2c 116a: 9800 ldr r0, [sp, #0] 116c: 7801 ldrb r1, [r0, #0] 116e: 3001 add r0, #1 1170: 9000 str r0, [sp, #0] 1172: 4668 mov r0, sp 1174: 85c1 strh r1, [r0, #46] ; 0x2e 1176: 8dc1 ldrh r1, [r0, #46] ; 0x2e 1178: 8d80 ldrh r0, [r0, #44] ; 0x2c 117a: 0200 lsl r0, r0, #8 117c: 1808 add r0, r1, r0 117e: 9901 ldr r1, [sp, #4] 1180: 80c8 strh r0, [r1, #6] 1182: e01f b 0x11c4 1184: 2008 mov r0, #8 1186: e77e b 0x1086 1188: 9801 ldr r0, [sp, #4] 118a: 7801 ldrb r1, [r0, #0] 118c: 290a cmp r1, #10 ; 0xa 118e: d8f9 bhi 0x1184 1190: a001 add r0, pc, #4 1192: 0089 lsl r1, r1, #2 1194: 5840 ldr r0, [r0, r1] 1196: 4687 mov pc, r0 1198: 11c4 asr r4, r0, #7 119a: 0000 lsl r0, r0, #0 119c: 11c4 asr r4, r0, #7 119e: 0000 lsl r0, r0, #0 11a0: 11c4 asr r4, r0, #7 11a2: 0000 lsl r0, r0, #0 11a4: 11c4 asr r4, r0, #7 11a6: 0000 lsl r0, r0, #0 11a8: 11c4 asr r4, r0, #7 11aa: 0000 lsl r0, r0, #0 11ac: 11c4 asr r4, r0, #7 11ae: 0000 lsl r0, r0, #0 11b0: 11c4 asr r4, r0, #7 11b2: 0000 lsl r0, r0, #0 11b4: 1036 asr r6, r6, #32 11b6: 0000 lsl r0, r0, #0 11b8: 108a asr r2, r1, #2 11ba: 0000 lsl r0, r0, #0 11bc: 11c4 asr r4, r0, #7 11be: 0000 lsl r0, r0, #0 11c0: 112e asr r6, r5, #4 11c2: 0000 lsl r0, r0, #0 11c4: 9905 ldr r1, [sp, #20] ; 0x14 11c6: 9804 ldr r0, [sp, #16] ; 0x10 11c8: 4281 cmp r1, r0 11ca: d001 beq 0x11d0 11cc: 2004 mov r0, #4 11ce: 9003 str r0, [sp, #12] ; 0xc 11d0: 9803 ldr r0, [sp, #12] ; 0xc 11d2: b00c add sp, #48 ; 0x30 11d4: 4770 bx lr 11d6: b089 sub sp, #36 ; 0x24 11d8: 9101 str r1, [sp, #4] 11da: 9000 str r0, [sp, #0] 11dc: 2000 mov r0, #0 11de: 9003 str r0, [sp, #12] ; 0xc 11e0: 9801 ldr r0, [sp, #4] 11e2: 1c41 add r1, r0, #1 11e4: 9101 str r1, [sp, #4] 11e6: 9005 str r0, [sp, #20] ; 0x14 11e8: 9801 ldr r0, [sp, #4] 11ea: 1c41 add r1, r0, #1 11ec: 9101 str r1, [sp, #4] 11ee: 9900 ldr r1, [sp, #0] 11f0: 7809 ldrb r1, [r1, #0] 11f2: 7001 strb r1, [r0, #0] 11f4: 4669 mov r1, sp 11f6: 2001 mov r0, #1 11f8: 7408 strb r0, [r1, #16] ; 0x10 11fa: 9801 ldr r0, [sp, #4] 11fc: 1c41 add r1, r0, #1 11fe: 9101 str r1, [sp, #4] 1200: 9900 ldr r1, [sp, #0] 1202: 7849 ldrb r1, [r1, #1] 1204: 7001 strb r1, [r0, #0] 1206: 4669 mov r1, sp 1208: 4668 mov r0, sp 120a: 7c00 ldrb r0, [r0, #16] ; 0x10 120c: 3001 add r0, #1 120e: 7408 strb r0, [r1, #16] ; 0x10 1210: e0e4 b 0x13dc 1212: 9800 ldr r0, [sp, #0] 1214: 7840 ldrb r0, [r0, #1] 1216: 2800 cmp r0, #0 1218: d000 beq 0x121c 121a: e0fd b 0x1418 121c: 9801 ldr r0, [sp, #4] 121e: 1c41 add r1, r0, #1 1220: 9101 str r1, [sp, #4] 1222: 9900 ldr r1, [sp, #0] 1224: 7909 ldrb r1, [r1, #4] 1226: 7001 strb r1, [r0, #0] 1228: 9801 ldr r0, [sp, #4] 122a: 1c41 add r1, r0, #1 122c: 9101 str r1, [sp, #4] 122e: 9900 ldr r1, [sp, #0] 1230: 7949 ldrb r1, [r1, #5] 1232: 7001 strb r1, [r0, #0] 1234: 9801 ldr r0, [sp, #4] 1236: 1c41 add r1, r0, #1 1238: 9101 str r1, [sp, #4] 123a: 9900 ldr r1, [sp, #0] 123c: 7989 ldrb r1, [r1, #6] 123e: 7001 strb r1, [r0, #0] 1240: 4668 mov r0, sp 1242: 7c00 ldrb r0, [r0, #16] ; 0x10 1244: 3003 add r0, #3 1246: 4669 mov r1, sp 1248: 7408 strb r0, [r1, #16] ; 0x10 124a: e0e5 b 0x1418 124c: 9800 ldr r0, [sp, #0] 124e: 7840 ldrb r0, [r0, #1] 1250: 2800 cmp r0, #0 1252: d000 beq 0x1256 1254: e0e0 b 0x1418 1256: 9801 ldr r0, [sp, #4] 1258: 1c41 add r1, r0, #1 125a: 9101 str r1, [sp, #4] 125c: 9900 ldr r1, [sp, #0] 125e: 7909 ldrb r1, [r1, #4] 1260: 7001 strb r1, [r0, #0] 1262: 4668 mov r0, sp 1264: 7c00 ldrb r0, [r0, #16] ; 0x10 1266: 3001 add r0, #1 1268: e7ed b 0x1246 126a: 9800 ldr r0, [sp, #0] 126c: 7840 ldrb r0, [r0, #1] 126e: 2800 cmp r0, #0 1270: d000 beq 0x1274 1272: e0d1 b 0x1418 1274: e7ef b 0x1256 1276: 9800 ldr r0, [sp, #0] 1278: 7840 ldrb r0, [r0, #1] 127a: 2800 cmp r0, #0 127c: d000 beq 0x1280 127e: e0cb b 0x1418 1280: e7e9 b 0x1256 1282: 9800 ldr r0, [sp, #0] 1284: 7840 ldrb r0, [r0, #1] 1286: 2800 cmp r0, #0 1288: d000 beq 0x128c 128a: e0c5 b 0x1418 128c: 4669 mov r1, sp 128e: 9800 ldr r0, [sp, #0] 1290: 8880 ldrh r0, [r0, #4] 1292: 8408 strh r0, [r1, #32] ; 0x20 1294: 9801 ldr r0, [sp, #4] 1296: 1c41 add r1, r0, #1 1298: 9101 str r1, [sp, #4] 129a: 4669 mov r1, sp 129c: 8c09 ldrh r1, [r1, #32] ; 0x20 129e: 0409 lsl r1, r1, #16 12a0: 0e09 lsr r1, r1, #24 12a2: 0209 lsl r1, r1, #8 12a4: 1209 asr r1, r1, #8 12a6: 7001 strb r1, [r0, #0] 12a8: 9801 ldr r0, [sp, #4] 12aa: 1c41 add r1, r0, #1 12ac: 9101 str r1, [sp, #4] 12ae: 4669 mov r1, sp 12b0: 8c09 ldrh r1, [r1, #32] ; 0x20 12b2: 0609 lsl r1, r1, #24 12b4: 0e09 lsr r1, r1, #24 12b6: 7001 strb r1, [r0, #0] 12b8: 4669 mov r1, sp 12ba: 9800 ldr r0, [sp, #0] 12bc: 88c0 ldrh r0, [r0, #6] 12be: 8408 strh r0, [r1, #32] ; 0x20 12c0: 9801 ldr r0, [sp, #4] 12c2: 1c41 add r1, r0, #1 12c4: 9101 str r1, [sp, #4] 12c6: 4669 mov r1, sp 12c8: 8c09 ldrh r1, [r1, #32] ; 0x20 12ca: 0409 lsl r1, r1, #16 12cc: 0e09 lsr r1, r1, #24 12ce: 0209 lsl r1, r1, #8 12d0: 1209 asr r1, r1, #8 12d2: 7001 strb r1, [r0, #0] 12d4: 9801 ldr r0, [sp, #4] 12d6: 1c41 add r1, r0, #1 12d8: 9101 str r1, [sp, #4] 12da: 4669 mov r1, sp 12dc: 8c09 ldrh r1, [r1, #32] ; 0x20 12de: 0609 lsl r1, r1, #24 12e0: 0e09 lsr r1, r1, #24 12e2: 7001 strb r1, [r0, #0] 12e4: 4668 mov r0, sp 12e6: 7c00 ldrb r0, [r0, #16] ; 0x10 12e8: 3004 add r0, #4 12ea: e7ac b 0x1246 12ec: 9800 ldr r0, [sp, #0] 12ee: 7840 ldrb r0, [r0, #1] 12f0: 2800 cmp r0, #0 12f2: d000 beq 0x12f6 12f4: e090 b 0x1418 12f6: e7ae b 0x1256 12f8: 9800 ldr r0, [sp, #0] 12fa: 7840 ldrb r0, [r0, #1] 12fc: 2800 cmp r0, #0 12fe: d000 beq 0x1302 1300: e08a b 0x1418 1302: 4669 mov r1, sp 1304: 4668 mov r0, sp 1306: 7c00 ldrb r0, [r0, #16] ; 0x10 1308: 3001 add r0, #1 130a: 7408 strb r0, [r1, #16] ; 0x10 130c: 4668 mov r0, sp 130e: 9900 ldr r1, [sp, #0] 1310: 7909 ldrb r1, [r1, #4] 1312: 7601 strb r1, [r0, #24] ; 0x18 1314: 9801 ldr r0, [sp, #4] 1316: 1c41 add r1, r0, #1 1318: 9101 str r1, [sp, #4] 131a: 4669 mov r1, sp 131c: 7e09 ldrb r1, [r1, #24] ; 0x18 131e: 7001 strb r1, [r0, #0] 1320: 4668 mov r0, sp 1322: 7e00 ldrb r0, [r0, #24] ; 0x18 1324: 2840 cmp r0, #64 ; 0x40 1326: dd01 ble 0x132c 1328: 2004 mov r0, #4 132a: e055 b 0x13d8 132c: 9800 ldr r0, [sp, #0] 132e: 3006 add r0, #6 1330: 9007 str r0, [sp, #28] ; 0x1c 1332: 2000 mov r0, #0 1334: 9002 str r0, [sp, #8] 1336: 9902 ldr r1, [sp, #8] 1338: 4668 mov r0, sp 133a: 7e00 ldrb r0, [r0, #24] ; 0x18 133c: 4281 cmp r1, r0 133e: da6b bge 0x1418 1340: 9801 ldr r0, [sp, #4] 1342: 1c41 add r1, r0, #1 1344: 9101 str r1, [sp, #4] 1346: 9907 ldr r1, [sp, #28] ; 0x1c 1348: 8809 ldrh r1, [r1, #0] 134a: 0409 lsl r1, r1, #16 134c: 0e09 lsr r1, r1, #24 134e: 0209 lsl r1, r1, #8 1350: 1209 asr r1, r1, #8 1352: 7001 strb r1, [r0, #0] 1354: 9807 ldr r0, [sp, #28] ; 0x1c 1356: 8801 ldrh r1, [r0, #0] 1358: 3002 add r0, #2 135a: 9007 str r0, [sp, #28] ; 0x1c 135c: 0608 lsl r0, r1, #24 135e: 0e01 lsr r1, r0, #24 1360: 9801 ldr r0, [sp, #4] 1362: 1c42 add r2, r0, #1 1364: 9201 str r2, [sp, #4] 1366: 7001 strb r1, [r0, #0] 1368: 4669 mov r1, sp 136a: 4668 mov r0, sp 136c: 7c00 ldrb r0, [r0, #16] ; 0x10 136e: 3002 add r0, #2 1370: 7408 strb r0, [r1, #16] ; 0x10 1372: 9802 ldr r0, [sp, #8] 1374: 3001 add r0, #1 1376: 9002 str r0, [sp, #8] 1378: 9902 ldr r1, [sp, #8] 137a: 4668 mov r0, sp 137c: 7e00 ldrb r0, [r0, #24] ; 0x18 137e: 4281 cmp r1, r0 1380: dbde blt 0x1340 1382: e049 b 0x1418 1384: 9800 ldr r0, [sp, #0] 1386: 7840 ldrb r0, [r0, #1] 1388: 2800 cmp r0, #0 138a: d145 bne 0x1418 138c: 4669 mov r1, sp 138e: 9800 ldr r0, [sp, #0] 1390: 8880 ldrh r0, [r0, #4] 1392: 8408 strh r0, [r1, #32] ; 0x20 1394: 9801 ldr r0, [sp, #4] 1396: 1c41 add r1, r0, #1 1398: 9101 str r1, [sp, #4] 139a: 4669 mov r1, sp 139c: 8c09 ldrh r1, [r1, #32] ; 0x20 139e: 0409 lsl r1, r1, #16 13a0: 0e09 lsr r1, r1, #24 13a2: 0209 lsl r1, r1, #8 13a4: 1209 asr r1, r1, #8 13a6: 7001 strb r1, [r0, #0] 13a8: 9801 ldr r0, [sp, #4] 13aa: 1c41 add r1, r0, #1 13ac: 9101 str r1, [sp, #4] 13ae: 4669 mov r1, sp 13b0: 8c09 ldrh r1, [r1, #32] ; 0x20 13b2: 0609 lsl r1, r1, #24 13b4: 0e09 lsr r1, r1, #24 13b6: 7001 strb r1, [r0, #0] 13b8: 4668 mov r0, sp 13ba: 9900 ldr r1, [sp, #0] 13bc: 88c9 ldrh r1, [r1, #6] 13be: 8401 strh r1, [r0, #32] ; 0x20 13c0: 9901 ldr r1, [sp, #4] 13c2: 1c48 add r0, r1, #1 13c4: 9001 str r0, [sp, #4] 13c6: 4668 mov r0, sp 13c8: 8c00 ldrh r0, [r0, #32] ; 0x20 13ca: 0400 lsl r0, r0, #16 13cc: 0e00 lsr r0, r0, #24 13ce: 0200 lsl r0, r0, #8 13d0: 1200 asr r0, r0, #8 13d2: 7008 strb r0, [r1, #0] 13d4: e77e b 0x12d4 13d6: 2008 mov r0, #8 13d8: 9003 str r0, [sp, #12] ; 0xc 13da: e01d b 0x1418 13dc: 9800 ldr r0, [sp, #0] 13de: 7800 ldrb r0, [r0, #0] 13e0: 280a cmp r0, #10 ; 0xa 13e2: d8f8 bhi 0x13d6 13e4: a101 add r1, pc, #4 13e6: 0080 lsl r0, r0, #2 13e8: 5808 ldr r0, [r1, r0] 13ea: 4687 mov pc, r0 13ec: 1212 asr r2, r2, #8 13ee: 0000 lsl r0, r0, #0 13f0: 124c asr r4, r1, #9 13f2: 0000 lsl r0, r0, #0 13f4: 126a asr r2, r5, #9 13f6: 0000 lsl r0, r0, #0 13f8: 1276 asr r6, r6, #9 13fa: 0000 lsl r0, r0, #0 13fc: 1418 asr r0, r3, #16 13fe: 0000 lsl r0, r0, #0 1400: 1282 asr r2, r0, #10 1402: 0000 lsl r0, r0, #0 1404: 12ec asr r4, r5, #11 1406: 0000 lsl r0, r0, #0 1408: 12f8 asr r0, r7, #11 140a: 0000 lsl r0, r0, #0 140c: 1418 asr r0, r3, #16 140e: 0000 lsl r0, r0, #0 1410: 1384 asr r4, r0, #14 1412: 0000 lsl r0, r0, #0 1414: 1418 asr r0, r3, #16 1416: 0000 lsl r0, r0, #0 1418: 9805 ldr r0, [sp, #20] ; 0x14 141a: 4669 mov r1, sp 141c: 7c09 ldrb r1, [r1, #16] ; 0x10 141e: 7001 strb r1, [r0, #0] 1420: 9803 ldr r0, [sp, #12] ; 0xc 1422: b009 add sp, #36 ; 0x24 1424: 4770 bx lr 1426: 0000 lsl r0, r0, #0 1428: b500 push {lr} 142a: b083 sub sp, #12 ; 0xc 142c: 9101 str r1, [sp, #4] 142e: 4669 mov r1, sp 1430: 7008 strb r0, [r1, #0] 1432: 2000 mov r0, #0 1434: 9002 str r0, [sp, #8] 1436: e073 b 0x1520 1438: 4668 mov r0, sp 143a: 7800 ldrb r0, [r0, #0] 143c: 28aa cmp r0, #170 ; 0xaa 143e: d106 bne 0x144e 1440: 4965 ldr r1, =0x83ff10 ; via 0x15d8 1442: 4865 ldr r0, =0x83ff10 ; via 0x15d8 1444: 6800 ldr r0, [r0, #0] 1446: 3001 add r0, #1 1448: 07c0 lsl r0, r0, #31 144a: 0fc0 lsr r0, r0, #31 144c: e013 b 0x1476 144e: 4862 ldr r0, =0x83ff10 ; via 0x15d8 1450: 6800 ldr r0, [r0, #0] 1452: 2800 cmp r0, #0 1454: d06b beq 0x152e 1456: 4961 ldr r1, =0x83ff04 ; via 0x15dc 1458: 9801 ldr r0, [sp, #4] 145a: 3001 add r0, #1 145c: 6008 str r0, [r1, #0] 145e: 4960 ldr r1, =0x83ff0e ; via 0x15e0 1460: 2000 mov r0, #0 1462: 7008 strb r0, [r1, #0] 1464: 495f ldr r1, =0x83ff0c ; via 0x15e4 1466: 4668 mov r0, sp 1468: 7800 ldrb r0, [r0, #0] 146a: 8008 strh r0, [r1, #0] 146c: 495a ldr r1, =0x83ff10 ; via 0x15d8 146e: 2000 mov r0, #0 1470: 6008 str r0, [r1, #0] 1472: 495d ldr r1, =0x83ff08 ; via 0x15e8 1474: 2001 mov r0, #1 1476: 6008 str r0, [r1, #0] 1478: e059 b 0x152e 147a: 4668 mov r0, sp 147c: 7800 ldrb r0, [r0, #0] 147e: 28aa cmp r0, #170 ; 0xaa 1480: d113 bne 0x14aa 1482: 4855 ldr r0, =0x83ff10 ; via 0x15d8 1484: 6800 ldr r0, [r0, #0] 1486: 2800 cmp r0, #0 1488: d00b beq 0x14a2 148a: 4954 ldr r1, =0x83ff04 ; via 0x15dc 148c: 6808 ldr r0, [r1, #0] 148e: 1c42 add r2, r0, #1 1490: 600a str r2, [r1, #0] 1492: 4669 mov r1, sp 1494: 7809 ldrb r1, [r1, #0] 1496: 7001 strb r1, [r0, #0] 1498: 4951 ldr r1, =0x83ff0e ; via 0x15e0 149a: 7808 ldrb r0, [r1, #0] 149c: 3001 add r0, #1 149e: 7008 strb r0, [r1, #0] 14a0: e013 b 0x14ca 14a2: 2101 mov r1, #1 14a4: 484c ldr r0, =0x83ff10 ; via 0x15d8 14a6: 6001 str r1, [r0, #0] 14a8: e01c b 0x14e4 14aa: 484b ldr r0, =0x83ff10 ; via 0x15d8 14ac: 6800 ldr r0, [r0, #0] 14ae: 2800 cmp r0, #0 14b0: d00d beq 0x14ce 14b2: 494a ldr r1, =0x83ff04 ; via 0x15dc 14b4: 9801 ldr r0, [sp, #4] 14b6: 3001 add r0, #1 14b8: 6008 str r0, [r1, #0] 14ba: 4849 ldr r0, =0x83ff0e ; via 0x15e0 14bc: 2100 mov r1, #0 14be: 7001 strb r1, [r0, #0] 14c0: 4948 ldr r1, =0x83ff0c ; via 0x15e4 14c2: 4668 mov r0, sp 14c4: 7800 ldrb r0, [r0, #0] 14c6: 3001 add r0, #1 14c8: 8008 strh r0, [r1, #0] 14ca: 2100 mov r1, #0 14cc: e7ea b 0x14a4 14ce: 4843 ldr r0, =0x83ff04 ; via 0x15dc 14d0: 6801 ldr r1, [r0, #0] 14d2: 1c4a add r2, r1, #1 14d4: 6002 str r2, [r0, #0] 14d6: 4668 mov r0, sp 14d8: 7800 ldrb r0, [r0, #0] 14da: 7008 strb r0, [r1, #0] 14dc: 4940 ldr r1, =0x83ff0e ; via 0x15e0 14de: 7808 ldrb r0, [r1, #0] 14e0: 3001 add r0, #1 14e2: 7008 strb r0, [r1, #0] 14e4: 483f ldr r0, =0x83ff0c ; via 0x15e4 14e6: 8801 ldrh r1, [r0, #0] 14e8: 3901 sub r1, #1 14ea: 8001 strh r1, [r0, #0] 14ec: 483d ldr r0, =0x83ff0c ; via 0x15e4 14ee: 8800 ldrh r0, [r0, #0] 14f0: 2800 cmp r0, #0 14f2: d11c bne 0x152e 14f4: 9901 ldr r1, [sp, #4] 14f6: 483a ldr r0, =0x83ff0e ; via 0x15e0 14f8: 7800 ldrb r0, [r0, #0] 14fa: 7008 strb r0, [r1, #0] 14fc: 2001 mov r0, #1 14fe: 9002 str r0, [sp, #8] 1500: 4839 ldr r0, =0x83ff08 ; via 0x15e8 1502: 2100 mov r1, #0 1504: 6001 str r1, [r0, #0] 1506: 4834 ldr r0, =0x83ff10 ; via 0x15d8 1508: 6001 str r1, [r0, #0] 150a: 9801 ldr r0, [sp, #4] 150c: 7800 ldrb r0, [r0, #0] 150e: 2801 cmp r0, #1 1510: d10d bne 0x152e 1512: 9801 ldr r0, [sp, #4] 1514: 7840 ldrb r0, [r0, #1] 1516: 28dd cmp r0, #221 ; 0xdd 1518: d109 bne 0x152e 151a: f7ff fb03 bl 0xb24 151e: e006 b 0x152e 1520: 4831 ldr r0, =0x83ff08 ; via 0x15e8 1522: 6800 ldr r0, [r0, #0] 1524: 2800 cmp r0, #0 1526: d087 beq 0x1438 1528: 3801 sub r0, #1 152a: 2800 cmp r0, #0 152c: d0a5 beq 0x147a 152e: 9802 ldr r0, [sp, #8] 1530: b003 add sp, #12 ; 0xc 1532: bd00 pop {pc} 1534: b086 sub sp, #24 ; 0x18 1536: 9202 str r2, [sp, #8] 1538: 9101 str r1, [sp, #4] 153a: 9000 str r0, [sp, #0] 153c: 9801 ldr r0, [sp, #4] 153e: 3001 add r0, #1 1540: 9004 str r0, [sp, #16] ; 0x10 1542: 9800 ldr r0, [sp, #0] 1544: 1c41 add r1, r0, #1 1546: 9100 str r1, [sp, #0] 1548: 9005 str r0, [sp, #20] ; 0x14 154a: 9901 ldr r1, [sp, #4] 154c: 20aa mov r0, #170 ; 0xaa 154e: 7008 strb r0, [r1, #0] 1550: 9801 ldr r0, [sp, #4] 1552: 3002 add r0, #2 1554: 9001 str r0, [sp, #4] 1556: 9902 ldr r1, [sp, #8] 1558: 2000 mov r0, #0 155a: 8008 strh r0, [r1, #0] 155c: 4669 mov r1, sp 155e: 8188 strh r0, [r1, #12] ; 0xc 1560: 4668 mov r0, sp 1562: 8981 ldrh r1, [r0, #12] ; 0xc 1564: 9805 ldr r0, [sp, #20] ; 0x14 1566: 7800 ldrb r0, [r0, #0] 1568: 4281 cmp r1, r0 156a: da23 bge 0x15b4 156c: 9800 ldr r0, [sp, #0] 156e: 7800 ldrb r0, [r0, #0] 1570: 28aa cmp r0, #170 ; 0xaa 1572: d108 bne 0x1586 1574: 9801 ldr r0, [sp, #4] 1576: 1c41 add r1, r0, #1 1578: 9101 str r1, [sp, #4] 157a: 21aa mov r1, #170 ; 0xaa 157c: 7001 strb r1, [r0, #0] 157e: 9902 ldr r1, [sp, #8] 1580: 8808 ldrh r0, [r1, #0] 1582: 3001 add r0, #1 1584: 8008 strh r0, [r1, #0] 1586: 9800 ldr r0, [sp, #0] 1588: 7801 ldrb r1, [r0, #0] 158a: 3001 add r0, #1 158c: 9000 str r0, [sp, #0] 158e: 9801 ldr r0, [sp, #4] 1590: 1c42 add r2, r0, #1 1592: 9201 str r2, [sp, #4] 1594: 7001 strb r1, [r0, #0] 1596: 9902 ldr r1, [sp, #8] 1598: 8808 ldrh r0, [r1, #0] 159a: 3001 add r0, #1 159c: 8008 strh r0, [r1, #0] 159e: 4669 mov r1, sp 15a0: 4668 mov r0, sp 15a2: 8980 ldrh r0, [r0, #12] ; 0xc 15a4: 3001 add r0, #1 15a6: 8188 strh r0, [r1, #12] ; 0xc 15a8: 4668 mov r0, sp 15aa: 8980 ldrh r0, [r0, #12] ; 0xc 15ac: 9905 ldr r1, [sp, #20] ; 0x14 15ae: 7809 ldrb r1, [r1, #0] 15b0: 4288 cmp r0, r1 15b2: dbdb blt 0x156c 15b4: 9904 ldr r1, [sp, #16] ; 0x10 15b6: 9802 ldr r0, [sp, #8] 15b8: 7800 ldrb r0, [r0, #0] 15ba: 7008 strb r0, [r1, #0] 15bc: 9902 ldr r1, [sp, #8] 15be: 8808 ldrh r0, [r1, #0] 15c0: 3002 add r0, #2 15c2: 8008 strh r0, [r1, #0] 15c4: b006 add sp, #24 ; 0x18 15c6: 4770 bx lr ; function zeroes out IRAM word vars at 0x83ff08 and 0x83ff10 15c8: 4907 ldr r1, =0x83ff08 ; via 0x15e8 15ca: 2000 mov r0, #0 15cc: 6008 str r0, [r1, #0] 15ce: 4802 ldr r0, =0x83ff10 ; via 0x15d8 15d0: 2100 mov r1, #0 15d2: 6001 str r1, [r0, #0] 15d4: 4770 bx lr 15d6: 46c0 nop (mov r8, r8) 15d8: 0083ff10 15dc: 0083ff04 15e0: 0083ff0e 15e4: 0083ff0c 15e8: 0083ff08 15ec: b082 sub sp, #8 15ee: 9101 str r1, [sp, #4] 15f0: 9000 str r0, [sp, #0] 15f2: 9901 ldr r1, [sp, #4] 15f4: 2000 mov r0, #0 15f6: 7008 strb r0, [r1, #0] 15f8: 9801 ldr r0, [sp, #4] 15fa: 2100 mov r1, #0 15fc: 7041 strb r1, [r0, #1] 15fe: 9801 ldr r0, [sp, #4] 1600: 2102 mov r1, #2 1602: 7101 strb r1, [r0, #4] 1604: 9801 ldr r0, [sp, #4] 1606: 2106 mov r1, #6 1608: 7141 strb r1, [r0, #5] 160a: 9801 ldr r0, [sp, #4] 160c: 2102 mov r1, #2 160e: 7181 strb r1, [r0, #6] 1610: b002 add sp, #8 1612: 4770 bx lr 1614: b500 push {lr} 1616: b084 sub sp, #16 ; 0x10 1618: 466b mov r3, sp 161a: 721a strb r2, [r3, #8] 161c: 9101 str r1, [sp, #4] 161e: 9000 str r0, [sp, #0] 1620: 9901 ldr r1, [sp, #4] 1622: 2009 mov r0, #9 1624: 7008 strb r0, [r1, #0] 1626: e015 b 0x1654 1628: 9801 ldr r0, [sp, #4] 162a: 2100 mov r1, #0 162c: 7041 strb r1, [r0, #1] 162e: 9901 ldr r1, [sp, #4] 1630: 4668 mov r0, sp 1632: 8940 ldrh r0, [r0, #10] ; 0xa 1634: 8088 strh r0, [r1, #4] 1636: 9901 ldr r1, [sp, #4] 1638: 4668 mov r0, sp 163a: 8980 ldrh r0, [r0, #12] ; 0xc 163c: 80c8 strh r0, [r1, #6] 163e: e01e b 0x167e 1640: 2101 mov r1, #1 1642: e004 b 0x164e 1644: 2103 mov r1, #3 1646: e002 b 0x164e 1648: 2105 mov r1, #5 164a: e000 b 0x164e 164c: 2106 mov r1, #6 164e: 9801 ldr r0, [sp, #4] 1650: 7041 strb r1, [r0, #1] 1652: e014 b 0x167e 1654: 200a mov r0, #10 ; 0xa 1656: 4468 add r0, sp 1658: a903 add r1, sp, #12 ; 0xc 165a: 466a mov r2, sp 165c: 7a12 ldrb r2, [r2, #8] 165e: f000 fb71 bl 0x1d44 1662: 2800 cmp r0, #0 1664: d0e0 beq 0x1628 1666: 3801 sub r0, #1 1668: 2800 cmp r0, #0 166a: d0e9 beq 0x1640 166c: 3801 sub r0, #1 166e: 2800 cmp r0, #0 1670: d0e8 beq 0x1644 1672: 3801 sub r0, #1 1674: 2800 cmp r0, #0 1676: d0e7 beq 0x1648 1678: 3801 sub r0, #1 167a: 2800 cmp r0, #0 167c: d0e6 beq 0x164c 167e: b004 add sp, #16 ; 0x10 1680: bd00 pop {pc} 1682: b084 sub sp, #16 ; 0x10 1684: 9101 str r1, [sp, #4] 1686: 9000 str r0, [sp, #0] 1688: 9901 ldr r1, [sp, #4] 168a: 200a mov r0, #10 ; 0xa 168c: 7008 strb r0, [r1, #0] 168e: 9801 ldr r0, [sp, #4] 1690: 2100 mov r1, #0 1692: 7041 strb r1, [r0, #1] 1694: 4669 mov r1, sp 1696: 9800 ldr r0, [sp, #0] 1698: 8880 ldrh r0, [r0, #4] 169a: 8108 strh r0, [r1, #8] 169c: 9800 ldr r0, [sp, #0] 169e: 88c0 ldrh r0, [r0, #6] 16a0: 8148 strh r0, [r1, #10] ; 0xa 16a2: 4668 mov r0, sp 16a4: 8941 ldrh r1, [r0, #10] ; 0xa 16a6: 8900 ldrh r0, [r0, #8] 16a8: 0400 lsl r0, r0, #16 16aa: 1808 add r0, r1, r0 16ac: 9003 str r0, [sp, #12] ; 0xc 16ae: 9803 ldr r0, [sp, #12] ; 0xc 16b0: b004 add sp, #16 ; 0x10 16b2: 4770 bx lr 16b4: b085 sub sp, #20 ; 0x14 16b6: 9303 str r3, [sp, #12] ; 0xc 16b8: 9202 str r2, [sp, #8] 16ba: 9101 str r1, [sp, #4] 16bc: 4669 mov r1, sp 16be: 7008 strb r0, [r1, #0] 16c0: 48ea ldr r0, =0x83ff19 ; via 0x1a6c 16c2: 7809 ldrb r1, [r1, #0] 16c4: 7802 ldrb r2, [r0, #0] 16c6: 1889 add r1, r1, r2 16c8: 7001 strb r1, [r0, #0] 16ca: 48e9 ldr r0, =0x83ff1a ; via 0x1a70 16cc: 7800 ldrb r0, [r0, #0] 16ce: 2800 cmp r0, #0 16d0: d00e beq 0x16f0 16d2: 48e8 ldr r0, =0x83ff26 ; via 0x1a74 16d4: 4669 mov r1, sp 16d6: 780a ldrb r2, [r1, #0] 16d8: 8801 ldrh r1, [r0, #0] 16da: 1851 add r1, r2, r1 16dc: 8001 strh r1, [r0, #0] 16de: 9903 ldr r1, [sp, #12] ; 0xc 16e0: 48e4 ldr r0, =0x83ff26 ; via 0x1a74 16e2: 8800 ldrh r0, [r0, #0] 16e4: 8008 strh r0, [r1, #0] 16e6: 9801 ldr r0, [sp, #4] 16e8: 2100 mov r1, #0 16ea: 6001 str r1, [r0, #0] 16ec: 2000 mov r0, #0 16ee: e009 b 0x1704 16f0: 9902 ldr r1, [sp, #8] 16f2: 6808 ldr r0, [r1, #0] 16f4: 3002 add r0, #2 16f6: 6008 str r0, [r1, #0] 16f8: 49de ldr r1, =0x83ff26 ; via 0x1a74 16fa: 4668 mov r0, sp 16fc: 7800 ldrb r0, [r0, #0] 16fe: 0200 lsl r0, r0, #8 1700: 8008 strh r0, [r1, #0] 1702: 2001 mov r0, #1 1704: 9004 str r0, [sp, #16] ; 0x10 1706: 2001 mov r0, #1 1708: 49d9 ldr r1, =0x83ff1a ; via 0x1a70 170a: 7809 ldrb r1, [r1, #0] 170c: 4388 bic r0, r1 170e: 49d8 ldr r1, =0x83ff1a ; via 0x1a70 1710: 7008 strb r0, [r1, #0] 1712: 48d9 ldr r0, =0x83ff24 ; via 0x1a78 1714: 7801 ldrb r1, [r0, #0] 1716: 3901 sub r1, #1 1718: 7001 strb r1, [r0, #0] 171a: 48d7 ldr r0, =0x83ff24 ; via 0x1a78 171c: 7800 ldrb r0, [r0, #0] 171e: 2800 cmp r0, #0 1720: d102 bne 0x1728 1722: 48d6 ldr r0, =0x83ff20 ; via 0x1a7c 1724: 2106 mov r1, #6 1726: 6001 str r1, [r0, #0] 1728: 9804 ldr r0, [sp, #16] ; 0x10 172a: b005 add sp, #20 ; 0x14 172c: 46f7 mov pc, lr 172e: b083 sub sp, #12 ; 0xc 1730: 9101 str r1, [sp, #4] 1732: 4669 mov r1, sp 1734: 7008 strb r0, [r1, #0] 1736: 2001 mov r0, #1 1738: 9002 str r0, [sp, #8] 173a: 48d1 ldr r0, =0x83ff1b ; via 0x1a80 173c: 7800 ldrb r0, [r0, #0] 173e: 2800 cmp r0, #0 1740: d10a bne 0x1758 1742: 4668 mov r0, sp 1744: 7800 ldrb r0, [r0, #0] 1746: 2853 cmp r0, #83 ; 0x53 1748: d102 bne 0x1750 174a: 48cd ldr r0, =0x83ff1b ; via 0x1a80 174c: 2101 mov r1, #1 174e: e01a b 0x1786 1750: 2101 mov r1, #1 1752: 9801 ldr r0, [sp, #4] 1754: 6001 str r1, [r0, #0] 1756: e03b b 0x17d0 1758: 49c9 ldr r1, =0x83ff1b ; via 0x1a80 175a: 2000 mov r0, #0 175c: 7008 strb r0, [r1, #0] 175e: 4668 mov r0, sp 1760: 7800 ldrb r0, [r0, #0] 1762: 2830 cmp r0, #48 ; 0x30 1764: d111 bne 0x178a 1766: 48c7 ldr r0, =0x83ff18 ; via 0x1a84 1768: 7800 ldrb r0, [r0, #0] 176a: 2800 cmp r0, #0 176c: d006 beq 0x177c 176e: 9901 ldr r1, [sp, #4] 1770: 2001 mov r0, #1 1772: 6008 str r0, [r1, #0] 1774: 49c3 ldr r1, =0x83ff18 ; via 0x1a84 1776: 2000 mov r0, #0 1778: 7008 strb r0, [r1, #0] 177a: e02a b 0x17d2 177c: 48bf ldr r0, =0x83ff20 ; via 0x1a7c 177e: 2102 mov r1, #2 1780: 6001 str r1, [r0, #0] 1782: 48ef ldr r0, =0x83ff1c ; via 0x1b40 1784: 2100 mov r1, #0 1786: 7001 strb r1, [r0, #0] 1788: e024 b 0x17d4 178a: 4668 mov r0, sp 178c: 7800 ldrb r0, [r0, #0] 178e: 2833 cmp r0, #51 ; 0x33 1790: d105 bne 0x179e 1792: 48bc ldr r0, =0x83ff18 ; via 0x1a84 1794: 7800 ldrb r0, [r0, #0] 1796: 2800 cmp r0, #0 1798: d0da beq 0x1750 179a: 2004 mov r0, #4 179c: e00c b 0x17b8 179e: 4668 mov r0, sp 17a0: 7800 ldrb r0, [r0, #0] 17a2: 2837 cmp r0, #55 ; 0x37 17a4: d10e bne 0x17c4 17a6: 48b7 ldr r0, =0x83ff18 ; via 0x1a84 17a8: 7800 ldrb r0, [r0, #0] 17aa: 2800 cmp r0, #0 17ac: d103 bne 0x17b6 17ae: 9901 ldr r1, [sp, #4] 17b0: 2001 mov r0, #1 17b2: 6008 str r0, [r1, #0] 17b4: e00c b 0x17d0 17b6: 2003 mov r0, #3 17b8: 49b0 ldr r1, =0x83ff20 ; via 0x1a7c 17ba: 6008 str r0, [r1, #0] 17bc: 2000 mov r0, #0 17be: 49e0 ldr r1, =0x83ff1c ; via 0x1b40 17c0: 7008 strb r0, [r1, #0] 17c2: e007 b 0x17d4 17c4: 9901 ldr r1, [sp, #4] 17c6: 2001 mov r0, #1 17c8: 6008 str r0, [r1, #0] 17ca: 48ae ldr r0, =0x83ff18 ; via 0x1a84 17cc: 2100 mov r1, #0 17ce: 7001 strb r1, [r0, #0] 17d0: 2000 mov r0, #0 17d2: 9002 str r0, [sp, #8] 17d4: 9802 ldr r0, [sp, #8] 17d6: b003 add sp, #12 ; 0xc 17d8: 46f7 mov pc, lr 17da: b083 sub sp, #12 ; 0xc 17dc: 9101 str r1, [sp, #4] 17de: 4669 mov r1, sp 17e0: 7008 strb r0, [r1, #0] 17e2: 2001 mov r0, #1 17e4: 9002 str r0, [sp, #8] 17e6: 49d7 ldr r1, =0x830 ; via 0x1b44 17e8: 48d5 ldr r0, =0x83ff1c ; via 0x1b40 17ea: 7800 ldrb r0, [r0, #0] 17ec: 0080 lsl r0, r0, #2 17ee: 5808 ldr r0, [r1, r0] 17f0: 4669 mov r1, sp 17f2: 7809 ldrb r1, [r1, #0] 17f4: 4281 cmp r1, r0 17f6: d10d bne 0x1814 17f8: 49d1 ldr r1, =0x83ff1c ; via 0x1b40 17fa: 7808 ldrb r0, [r1, #0] 17fc: 3001 add r0, #1 17fe: 7008 strb r0, [r1, #0] 1800: 48cf ldr r0, =0x83ff1c ; via 0x1b40 1802: 7800 ldrb r0, [r0, #0] 1804: 2807 cmp r0, #7 1806: d10d bne 0x1824 1808: 489c ldr r0, =0x83ff20 ; via 0x1a7c 180a: 2101 mov r1, #1 180c: 6001 str r1, [r0, #0] 180e: 489d ldr r0, =0x83ff18 ; via 0x1a84 1810: 7001 strb r1, [r0, #0] 1812: e007 b 0x1824 1814: 9801 ldr r0, [sp, #4] 1816: 2101 mov r1, #1 1818: 6001 str r1, [r0, #0] 181a: 4998 ldr r1, =0x83ff20 ; via 0x1a7c 181c: 2001 mov r0, #1 181e: 6008 str r0, [r1, #0] 1820: 2000 mov r0, #0 1822: 9002 str r0, [sp, #8] 1824: 9802 ldr r0, [sp, #8] 1826: b003 add sp, #12 ; 0xc 1828: 46f7 mov pc, lr 182a: b083 sub sp, #12 ; 0xc 182c: 9101 str r1, [sp, #4] 182e: 4669 mov r1, sp 1830: 7008 strb r0, [r1, #0] 1832: 2001 mov r0, #1 1834: 9002 str r0, [sp, #8] 1836: 49c4 ldr r1, =0x84c ; via 0x1b48 1838: 48c1 ldr r0, =0x83ff1c ; via 0x1b40 183a: 7800 ldrb r0, [r0, #0] 183c: 0080 lsl r0, r0, #2 183e: 5808 ldr r0, [r1, r0] 1840: 4669 mov r1, sp 1842: 7809 ldrb r1, [r1, #0] 1844: 4281 cmp r1, r0 1846: d112 bne 0x186e 1848: 49bd ldr r1, =0x83ff1c ; via 0x1b40 184a: 7808 ldrb r0, [r1, #0] 184c: 3001 add r0, #1 184e: 7008 strb r0, [r1, #0] 1850: 48bb ldr r0, =0x83ff1c ; via 0x1b40 1852: 7800 ldrb r0, [r0, #0] 1854: 2806 cmp r0, #6 1856: d114 bne 0x1882 1858: 9801 ldr r0, [sp, #4] 185a: 2102 mov r1, #2 185c: 6001 str r1, [r0, #0] 185e: 4887 ldr r0, =0x83ff20 ; via 0x1a7c 1860: 2101 mov r1, #1 1862: 6001 str r1, [r0, #0] 1864: 4887 ldr r0, =0x83ff18 ; via 0x1a84 1866: 2100 mov r1, #0 1868: 7001 strb r1, [r0, #0] 186a: 2000 mov r0, #0 186c: e008 b 0x1880 186e: 9801 ldr r0, [sp, #4] 1870: 2101 mov r1, #1 1872: 6001 str r1, [r0, #0] 1874: 4981 ldr r1, =0x83ff20 ; via 0x1a7c 1876: 2001 mov r0, #1 1878: 6008 str r0, [r1, #0] 187a: 4982 ldr r1, =0x83ff18 ; via 0x1a84 187c: 2000 mov r0, #0 187e: 7008 strb r0, [r1, #0] 1880: 9002 str r0, [sp, #8] 1882: 9802 ldr r0, [sp, #8] 1884: b003 add sp, #12 ; 0xc 1886: 46f7 mov pc, lr 1888: b081 sub sp, #4 188a: 4669 mov r1, sp 188c: 7008 strb r0, [r1, #0] 188e: 497a ldr r1, =0x83ff24 ; via 0x1a78 1890: 4668 mov r0, sp 1892: 7800 ldrb r0, [r0, #0] 1894: 3801 sub r0, #1 1896: 7008 strb r0, [r1, #0] 1898: 4874 ldr r0, =0x83ff19 ; via 0x1a6c 189a: 4669 mov r1, sp 189c: 7809 ldrb r1, [r1, #0] 189e: 7001 strb r1, [r0, #0] 18a0: 48a7 ldr r0, =0x83ff1c ; via 0x1b40 18a2: 2100 mov r1, #0 18a4: 7001 strb r1, [r0, #0] 18a6: 48e3 ldr r0, =0x83ff14 ; via 0x1c34 18a8: 6001 str r1, [r0, #0] 18aa: 4874 ldr r0, =0x83ff20 ; via 0x1a7c 18ac: 2105 mov r1, #5 18ae: 6001 str r1, [r0, #0] 18b0: b001 add sp, #4 18b2: 46f7 mov pc, lr 18b4: b084 sub sp, #16 ; 0x10 18b6: 9202 str r2, [sp, #8] 18b8: 9101 str r1, [sp, #4] 18ba: 4669 mov r1, sp 18bc: 7008 strb r0, [r1, #0] 18be: 2001 mov r0, #1 18c0: 9003 str r0, [sp, #12] ; 0xc 18c2: 496d ldr r1, =0x83ff24 ; via 0x1a78 18c4: 7808 ldrb r0, [r1, #0] 18c6: 3801 sub r0, #1 18c8: 7008 strb r0, [r1, #0] 18ca: 486b ldr r0, =0x83ff24 ; via 0x1a78 18cc: 7800 ldrb r0, [r0, #0] 18ce: 2800 cmp r0, #0 18d0: d026 beq 0x1920 18d2: 4866 ldr r0, =0x83ff19 ; via 0x1a6c 18d4: 4669 mov r1, sp 18d6: 780a ldrb r2, [r1, #0] 18d8: 7801 ldrb r1, [r0, #0] 18da: 1851 add r1, r2, r1 18dc: 7001 strb r1, [r0, #0] 18de: 4998 ldr r1, =0x83ff1c ; via 0x1b40 18e0: 7808 ldrb r0, [r1, #0] 18e2: 3001 add r0, #1 18e4: 7008 strb r0, [r1, #0] 18e6: 49d3 ldr r1, =0x83ff14 ; via 0x1c34 18e8: 2204 mov r2, #4 18ea: 4895 ldr r0, =0x83ff1c ; via 0x1b40 18ec: 7800 ldrb r0, [r0, #0] 18ee: 1a10 sub r0, r2, r0 18f0: 00c2 lsl r2, r0, #3 18f2: 4668 mov r0, sp 18f4: 7800 ldrb r0, [r0, #0] 18f6: 4090 lsl r0, r2 18f8: 680a ldr r2, [r1, #0] 18fa: 1880 add r0, r0, r2 18fc: 6008 str r0, [r1, #0] 18fe: 4890 ldr r0, =0x83ff1c ; via 0x1b40 1900: 7800 ldrb r0, [r0, #0] 1902: 2804 cmp r0, #4 1904: d117 bne 0x1936 1906: 9902 ldr r1, [sp, #8] 1908: 48ca ldr r0, =0x83ff14 ; via 0x1c34 190a: 6800 ldr r0, [r0, #0] 190c: 3802 sub r0, #2 190e: 6008 str r0, [r1, #0] 1910: 485a ldr r0, =0x83ff20 ; via 0x1a7c 1912: 2100 mov r1, #0 1914: 6001 str r1, [r0, #0] 1916: 4856 ldr r0, =0x83ff1a ; via 0x1a70 1918: 7001 strb r1, [r0, #0] 191a: 4889 ldr r0, =0x83ff1c ; via 0x1b40 191c: 7001 strb r1, [r0, #0] 191e: e00a b 0x1936 1920: 9801 ldr r0, [sp, #4] 1922: 2101 mov r1, #1 1924: 6001 str r1, [r0, #0] 1926: 4955 ldr r1, =0x83ff20 ; via 0x1a7c 1928: 2001 mov r0, #1 192a: 6008 str r0, [r1, #0] 192c: 4855 ldr r0, =0x83ff18 ; via 0x1a84 192e: 2100 mov r1, #0 1930: 7001 strb r1, [r0, #0] 1932: 2000 mov r0, #0 1934: 9003 str r0, [sp, #12] ; 0xc 1936: 9803 ldr r0, [sp, #12] ; 0xc 1938: b004 add sp, #16 ; 0x10 193a: 46f7 mov pc, lr 193c: b083 sub sp, #12 ; 0xc 193e: 9101 str r1, [sp, #4] 1940: 4669 mov r1, sp 1942: 7008 strb r0, [r1, #0] 1944: 2001 mov r0, #1 1946: 9002 str r0, [sp, #8] 1948: 494c ldr r1, =0x83ff20 ; via 0x1a7c 194a: 6008 str r0, [r1, #0] 194c: 20ff mov r0, #255 ; 0xff 194e: 4669 mov r1, sp 1950: 7809 ldrb r1, [r1, #0] 1952: 4388 bic r0, r1 1954: 4945 ldr r1, =0x83ff19 ; via 0x1a6c 1956: 7809 ldrb r1, [r1, #0] 1958: 4281 cmp r1, r0 195a: d007 beq 0x196c 195c: 9801 ldr r0, [sp, #4] 195e: 2101 mov r1, #1 1960: 6001 str r1, [r0, #0] 1962: 4848 ldr r0, =0x83ff18 ; via 0x1a84 1964: 2100 mov r1, #0 1966: 7001 strb r1, [r0, #0] 1968: 2000 mov r0, #0 196a: 9002 str r0, [sp, #8] 196c: 9802 ldr r0, [sp, #8] 196e: b003 add sp, #12 ; 0xc 1970: 46f7 mov pc, lr 1972: b085 sub sp, #20 ; 0x14 1974: 466b mov r3, sp 1976: 719a strb r2, [r3, #6] 1978: 466a mov r2, sp 197a: 8091 strh r1, [r2, #4] 197c: 9000 str r0, [sp, #0] 197e: 9800 ldr r0, [sp, #0] 1980: 9002 str r0, [sp, #8] 1982: 4669 mov r1, sp 1984: 4668 mov r0, sp 1986: 8880 ldrh r0, [r0, #4] 1988: 8208 strh r0, [r1, #16] ; 0x10 198a: 4668 mov r0, sp 198c: 8a00 ldrh r0, [r0, #16] ; 0x10 198e: 2800 cmp r0, #0 1990: d01e beq 0x19d0 1992: 49e3 ldr r1, =0x864 ; via 0x1d20 1994: 4668 mov r0, sp 1996: 7980 ldrb r0, [r0, #6] 1998: 0080 lsl r0, r0, #2 199a: 5808 ldr r0, [r1, r0] 199c: 7941 ldrb r1, [r0, #5] 199e: 4668 mov r0, sp 19a0: 7301 strb r1, [r0, #12] ; 0xc 19a2: 7b00 ldrb r0, [r0, #12] ; 0xc 19a4: 0980 lsr r0, r0, #6 19a6: d3f4 bcc 0x1992 19a8: 49dd ldr r1, =0x864 ; via 0x1d20 19aa: 4668 mov r0, sp 19ac: 7980 ldrb r0, [r0, #6] 19ae: 0080 lsl r0, r0, #2 19b0: 5809 ldr r1, [r1, r0] 19b2: 9802 ldr r0, [sp, #8] 19b4: 7800 ldrb r0, [r0, #0] 19b6: 7008 strb r0, [r1, #0] 19b8: 9802 ldr r0, [sp, #8] 19ba: 3001 add r0, #1 19bc: 9002 str r0, [sp, #8] 19be: 4669 mov r1, sp 19c0: 4668 mov r0, sp 19c2: 8a00 ldrh r0, [r0, #16] ; 0x10 19c4: 3801 sub r0, #1 19c6: 8208 strh r0, [r1, #16] ; 0x10 19c8: 4668 mov r0, sp 19ca: 8a00 ldrh r0, [r0, #16] ; 0x10 19cc: 2800 cmp r0, #0 19ce: d1e0 bne 0x1992 19d0: b005 add sp, #20 ; 0x14 19d2: 46f7 mov pc, lr 19d4: b082 sub sp, #8 19d6: 4669 mov r1, sp 19d8: 7008 strb r0, [r1, #0] 19da: 2000 mov r0, #0 19dc: 8088 strh r0, [r1, #4] 19de: 4668 mov r0, sp 19e0: 8881 ldrh r1, [r0, #4] 19e2: 20ff mov r0, #255 ; 0xff 19e4: 30f5 add r0, #245 ; 0xf5 19e6: 4281 cmp r1, r0 19e8: da21 bge 0x1a2e 19ea: 4669 mov r1, sp 19ec: 4668 mov r0, sp 19ee: 8880 ldrh r0, [r0, #4] 19f0: 3001 add r0, #1 19f2: 8088 strh r0, [r1, #4] 19f4: 48ca ldr r0, =0x864 ; via 0x1d20 19f6: 7809 ldrb r1, [r1, #0] 19f8: 0089 lsl r1, r1, #2 19fa: 5840 ldr r0, [r0, r1] 19fc: 7940 ldrb r0, [r0, #5] 19fe: 4669 mov r1, sp 1a00: 7048 strb r0, [r1, #1] 1a02: 4668 mov r0, sp 1a04: 7840 ldrb r0, [r0, #1] 1a06: 0840 lsr r0, r0, #1 1a08: d30b bcc 0x1a22 1a0a: 49c5 ldr r1, =0x864 ; via 0x1d20 1a0c: 4668 mov r0, sp 1a0e: 7800 ldrb r0, [r0, #0] 1a10: 0080 lsl r0, r0, #2 1a12: 5808 ldr r0, [r1, r0] 1a14: 7800 ldrb r0, [r0, #0] 1a16: 0600 lsl r0, r0, #24 1a18: 0e00 lsr r0, r0, #24 1a1a: 4669 mov r1, sp 1a1c: 7088 strb r0, [r1, #2] 1a1e: 2000 mov r0, #0 1a20: 8088 strh r0, [r1, #4] 1a22: 4668 mov r0, sp 1a24: 8881 ldrh r1, [r0, #4] 1a26: 20ff mov r0, #255 ; 0xff 1a28: 30f5 add r0, #245 ; 0xf5 1a2a: 4281 cmp r1, r0 1a2c: dbdd blt 0x19ea 1a2e: b002 add sp, #8 1a30: 4770 bx lr 1a32: b500 push {lr} 1a34: b08c sub sp, #48 ; 0x30 1a36: 466a mov r2, sp 1a38: 7111 strb r1, [r2, #4] 1a3a: 9000 str r0, [sp, #0] 1a3c: 2001 mov r0, #1 1a3e: 9002 str r0, [sp, #8] 1a40: 9800 ldr r0, [sp, #0] 1a42: a904 add r1, sp, #16 ; 0x10 1a44: aa03 add r2, sp, #12 ; 0xc 1a46: f7ff fd75 bl 0x1534 1a4a: 4668 mov r0, sp 1a4c: 8980 ldrh r0, [r0, #12] ; 0xc 1a4e: 2820 cmp r0, #32 ; 0x20 1a50: dd02 ble 0x1a58 1a52: 2000 mov r0, #0 1a54: 9002 str r0, [sp, #8] 1a56: e006 b 0x1a66 1a58: a804 add r0, sp, #16 ; 0x10 1a5a: 4669 mov r1, sp 1a5c: 8989 ldrh r1, [r1, #12] ; 0xc 1a5e: 466a mov r2, sp 1a60: 7912 ldrb r2, [r2, #4] 1a62: f7ff ff86 bl 0x1972 1a66: 9802 ldr r0, [sp, #8] 1a68: b00c add sp, #48 ; 0x30 1a6a: bd00 pop {pc} 1a6c: ff19 <half-bl> 1a6e: 0083 lsl r3, r0, #2 1a70: ff1a <half-bl> 1a72: 0083 lsl r3, r0, #2 1a74: ff26 <half-bl> 1a76: 0083 lsl r3, r0, #2 1a78: ff24 <half-bl> 1a7a: 0083 lsl r3, r0, #2 1a7c: ff20 <half-bl> 1a7e: 0083 lsl r3, r0, #2 1a80: ff1b <half-bl> 1a82: 0083 lsl r3, r0, #2 1a84: ff18 <half-bl> 1a86: 0083 lsl r3, r0, #2 1a88: b500 push {lr} 1a8a: b084 sub sp, #16 ; 0x10 1a8c: 9101 str r1, [sp, #4] 1a8e: 9000 str r0, [sp, #0] 1a90: 4669 mov r1, sp 1a92: 20ff mov r0, #255 ; 0xff 1a94: 7308 strb r0, [r1, #12] ; 0xc 1a96: 2000 mov r0, #0 1a98: 9002 str r0, [sp, #8] 1a9a: 4669 mov r1, sp 1a9c: 48a1 ldr r0, =0xffff5805 ; via 0x1d24 1a9e: 7800 ldrb r0, [r0, #0] 1aa0: 7348 strb r0, [r1, #13] ; 0xd 1aa2: 48a1 ldr r0, =0xffff5005 ; via 0x1d28 1aa4: 7800 ldrb r0, [r0, #0] 1aa6: 7388 strb r0, [r1, #14] ; 0xe 1aa8: 4668 mov r0, sp 1aaa: 7b40 ldrb r0, [r0, #13] ; 0xd 1aac: 0840 lsr r0, r0, #1 1aae: d206 bcs 0x1abe 1ab0: 4668 mov r0, sp 1ab2: 7b80 ldrb r0, [r0, #14] ; 0xe 1ab4: 0840 lsr r0, r0, #1 1ab6: d202 bcs 0x1abe 1ab8: 9801 ldr r0, [sp, #4] 1aba: 2800 cmp r0, #0 1abc: d0ed beq 0x1a9a 1abe: 4668 mov r0, sp 1ac0: 7b40 ldrb r0, [r0, #13] ; 0xd 1ac2: 0840 lsr r0, r0, #1 1ac4: d316 bcc 0x1af4 1ac6: 4669 mov r1, sp 1ac8: 2000 mov r0, #0 1aca: 7308 strb r0, [r1, #12] ; 0xc 1acc: 4994 ldr r1, =0x864 ; via 0x1d20 1ace: 4668 mov r0, sp 1ad0: 7b00 ldrb r0, [r0, #12] ; 0xc 1ad2: 0080 lsl r0, r0, #2 1ad4: 5808 ldr r0, [r1, r0] 1ad6: 7800 ldrb r0, [r0, #0] 1ad8: 0600 lsl r0, r0, #24 1ada: 0e00 lsr r0, r0, #24 1adc: 4669 mov r1, sp 1ade: 73c8 strb r0, [r1, #15] ; 0xf 1ae0: 4668 mov r0, sp 1ae2: 7bc0 ldrb r0, [r0, #15] ; 0xf 1ae4: 9900 ldr r1, [sp, #0] 1ae6: f7ff fc9f bl 0x1428 1aea: 9002 str r0, [sp, #8] 1aec: 9802 ldr r0, [sp, #8] 1aee: 2800 cmp r0, #0 1af0: d11c bne 0x1b2c 1af2: e018 b 0x1b26 1af4: 4668 mov r0, sp 1af6: 7b80 ldrb r0, [r0, #14] ; 0xe 1af8: 0840 lsr r0, r0, #1 1afa: d317 bcc 0x1b2c 1afc: 4669 mov r1, sp 1afe: 2001 mov r0, #1 1b00: 7308 strb r0, [r1, #12] ; 0xc 1b02: 4987 ldr r1, =0x864 ; via 0x1d20 1b04: 4668 mov r0, sp 1b06: 7b00 ldrb r0, [r0, #12] ; 0xc 1b08: 0080 lsl r0, r0, #2 1b0a: 5808 ldr r0, [r1, r0] 1b0c: 7800 ldrb r0, [r0, #0] 1b0e: 0600 lsl r0, r0, #24 1b10: 0e01 lsr r1, r0, #24 1b12: 4668 mov r0, sp 1b14: 73c1 strb r1, [r0, #15] ; 0xf 1b16: 7bc0 ldrb r0, [r0, #15] ; 0xf 1b18: 9900 ldr r1, [sp, #0] 1b1a: f7ff fc85 bl 0x1428 1b1e: 9002 str r0, [sp, #8] 1b20: 9802 ldr r0, [sp, #8] 1b22: 2800 cmp r0, #0 1b24: d102 bne 0x1b2c 1b26: 20ff mov r0, #255 ; 0xff 1b28: 4669 mov r1, sp 1b2a: 7308 strb r0, [r1, #12] ; 0xc 1b2c: 9802 ldr r0, [sp, #8] 1b2e: 2800 cmp r0, #0 1b30: d102 bne 0x1b38 1b32: 9801 ldr r0, [sp, #4] 1b34: 2800 cmp r0, #0 1b36: d0b0 beq 0x1a9a 1b38: 4668 mov r0, sp 1b3a: 7b00 ldrb r0, [r0, #12] ; 0xc 1b3c: b004 add sp, #16 ; 0x10 1b3e: bd00 pop {pc} 1b40: ff1c <half-bl> 1b42: 0083 lsl r3, r0, #2 1b44: 0830 lsr r0, r6, #32 1b46: 0000 lsl r0, r0, #0 1b48: 084c lsr r4, r1, #1 1b4a: 0000 lsl r0, r0, #0 1b4c: b500 push {lr} 1b4e: b086 sub sp, #24 ; 0x18 1b50: 466b mov r3, sp 1b52: 721a strb r2, [r3, #8] 1b54: 9101 str r1, [sp, #4] 1b56: 9000 str r0, [sp, #0] 1b58: 2001 mov r0, #1 1b5a: 9004 str r0, [sp, #16] ; 0x10 1b5c: 9804 ldr r0, [sp, #16] ; 0x10 1b5e: 2800 cmp r0, #0 1b60: d05b beq 0x1c1a 1b62: 496f ldr r1, =0x864 ; via 0x1d20 1b64: 4668 mov r0, sp 1b66: 7a00 ldrb r0, [r0, #8] 1b68: 0080 lsl r0, r0, #2 1b6a: 5808 ldr r0, [r1, r0] 1b6c: 7941 ldrb r1, [r0, #5] 1b6e: 4668 mov r0, sp 1b70: 7301 strb r1, [r0, #12] ; 0xc 1b72: 7b00 ldrb r0, [r0, #12] ; 0xc 1b74: 0840 lsr r0, r0, #1 1b76: d3f4 bcc 0x1b62 1b78: 4969 ldr r1, =0x864 ; via 0x1d20 1b7a: 4668 mov r0, sp 1b7c: 7a00 ldrb r0, [r0, #8] 1b7e: 0080 lsl r0, r0, #2 1b80: 5808 ldr r0, [r1, r0] 1b82: 7800 ldrb r0, [r0, #0] 1b84: 0600 lsl r0, r0, #24 1b86: 0e01 lsr r1, r0, #24 1b88: 4668 mov r0, sp 1b8a: 7341 strb r1, [r0, #13] ; 0xd 1b8c: e02c b 0x1be8 1b8e: 4668 mov r0, sp 1b90: 7b40 ldrb r0, [r0, #13] ; 0xd 1b92: a905 add r1, sp, #20 ; 0x14 1b94: 9a00 ldr r2, [sp, #0] 1b96: 9b01 ldr r3, [sp, #4] 1b98: f7ff fd8c bl 0x16b4 1b9c: 9004 str r0, [sp, #16] ; 0x10 1b9e: e039 b 0x1c14 1ba0: 4668 mov r0, sp 1ba2: 7b40 ldrb r0, [r0, #13] ; 0xd 1ba4: a905 add r1, sp, #20 ; 0x14 1ba6: f7ff fdc2 bl 0x172e 1baa: e7f7 b 0x1b9c 1bac: 4668 mov r0, sp 1bae: 7b40 ldrb r0, [r0, #13] ; 0xd 1bb0: a905 add r1, sp, #20 ; 0x14 1bb2: f7ff fe12 bl 0x17da 1bb6: e7f1 b 0x1b9c 1bb8: 4668 mov r0, sp 1bba: 7b40 ldrb r0, [r0, #13] ; 0xd 1bbc: a905 add r1, sp, #20 ; 0x14 1bbe: f7ff fe34 bl 0x182a 1bc2: e7eb b 0x1b9c 1bc4: 4668 mov r0, sp 1bc6: 7b40 ldrb r0, [r0, #13] ; 0xd 1bc8: f7ff fe5e bl 0x1888 1bcc: e022 b 0x1c14 1bce: 4668 mov r0, sp 1bd0: 7b40 ldrb r0, [r0, #13] ; 0xd 1bd2: a905 add r1, sp, #20 ; 0x14 1bd4: 9a00 ldr r2, [sp, #0] 1bd6: f7ff fe6d bl 0x18b4 1bda: e7df b 0x1b9c 1bdc: 4668 mov r0, sp 1bde: 7b40 ldrb r0, [r0, #13] ; 0xd 1be0: a905 add r1, sp, #20 ; 0x14 1be2: f7ff feab bl 0x193c 1be6: e7d9 b 0x1b9c 1be8: 4850 ldr r0, =0x83ff20 ; via 0x1d2c 1bea: 6800 ldr r0, [r0, #0] 1bec: 2800 cmp r0, #0 1bee: d0ce beq 0x1b8e 1bf0: 3801 sub r0, #1 1bf2: 2800 cmp r0, #0 1bf4: d0d4 beq 0x1ba0 1bf6: 3801 sub r0, #1 1bf8: 2800 cmp r0, #0 1bfa: d0d7 beq 0x1bac 1bfc: 3801 sub r0, #1 1bfe: 2800 cmp r0, #0 1c00: d0da beq 0x1bb8 1c02: 3801 sub r0, #1 1c04: 2800 cmp r0, #0 1c06: d0dd beq 0x1bc4 1c08: 3801 sub r0, #1 1c0a: 2800 cmp r0, #0 1c0c: d0df beq 0x1bce 1c0e: 3801 sub r0, #1 1c10: 2800 cmp r0, #0 1c12: d0e3 beq 0x1bdc 1c14: 9804 ldr r0, [sp, #16] ; 0x10 1c16: 2800 cmp r0, #0 1c18: d1a3 bne 0x1b62 1c1a: 9805 ldr r0, [sp, #20] ; 0x14 1c1c: b006 add sp, #24 ; 0x18 1c1e: bd00 pop {pc} 1c20: 4942 ldr r1, =0x83ff20 ; via 0x1d2c 1c22: 2001 mov r0, #1 1c24: 6008 str r0, [r1, #0] 1c26: 4842 ldr r0, =0x83ff1b ; via 0x1d30 1c28: 2100 mov r1, #0 1c2a: 7001 strb r1, [r0, #0] 1c2c: 4841 ldr r0, =0x83ff18 ; via 0x1d34 1c2e: 7001 strb r1, [r0, #0] 1c30: 4770 bx lr 1c32: 46c0 nop (mov r8, r8) 1c34: 0083ff14 ; UART initialization routine 1c38: b081 sub sp, #4 ; MODEM UART 1c3a: 483f ldr r0, =0xffff5800 ; via 0x1d38 1c3c: 9000 str r0, [sp, #0] ; switch to MCU control 1c3e: 493f ldr r1, =0xffff6000 ; via 0x1d3c 1c40: 2002 mov r0, #2 1c42: 880a ldrh r2, [r1, #0] 1c44: 4310 orr r0, r2 1c46: 8008 strh r0, [r1, #0] 1c48: 483c ldr r0, =0xffff6000 ; via 0x1d3c 1c4a: 8801 ldrh r1, [r0, #0] 1c4c: 0849 lsr r1, r1, #1 1c4e: 0049 lsl r1, r1, #1 1c50: 8001 strh r1, [r0, #0] 1c52: 493a ldr r1, =0xffff6000 ; via 0x1d3c 1c54: 8808 ldrh r0, [r1, #0] 1c56: 2202 mov r2, #2 1c58: 4390 bic r0, r2 1c5a: 8008 strh r0, [r1, #0] ; MDR1 = reset/default state 1c5c: 9900 ldr r1, [sp, #0] 1c5e: 2007 mov r0, #7 1c60: 7208 strb r0, [r1, #8] ; LCR = BF 1c62: 9900 ldr r1, [sp, #0] 1c64: 20bf mov r0, #191 ; 0xbf 1c66: 70c8 strb r0, [r1, #3] ; set ENHANCED_EN bit in EFR 1c68: 9800 ldr r0, [sp, #0] 1c6a: 1c81 add r1, r0, #2 1c6c: 2010 mov r0, #16 ; 0x10 1c6e: 880a ldrh r2, [r1, #0] 1c70: 4310 orr r0, r2 1c72: 8008 strh r0, [r1, #0] ; LCR = 80 1c74: 9800 ldr r0, [sp, #0] 1c76: 2180 mov r1, #128 ; 0x80 1c78: 70c1 strb r1, [r0, #3] ; FCR = 07 (enable and clear both FIFOs) 1c7a: 9800 ldr r0, [sp, #0] 1c7c: 2107 mov r1, #7 1c7e: 7081 strb r1, [r0, #2] ; LCR = BF 1c80: 9800 ldr r0, [sp, #0] 1c82: 21bf mov r1, #191 ; 0xbf 1c84: 70c1 strb r1, [r0, #3] ; baud rate divisor set to 7 (115200 baud) 1c86: 9800 ldr r0, [sp, #0] 1c88: 2107 mov r1, #7 1c8a: 7001 strb r1, [r0, #0] 1c8c: 9800 ldr r0, [sp, #0] 1c8e: 2100 mov r1, #0 1c90: 7041 strb r1, [r0, #1] ; LCR = 03 (standard setting) 1c92: 9800 ldr r0, [sp, #0] 1c94: 2103 mov r1, #3 1c96: 70c1 strb r1, [r0, #3] ; MDR1 = UART mode 1c98: 9800 ldr r0, [sp, #0] 1c9a: 2100 mov r1, #0 1c9c: 7201 strb r1, [r0, #8] ; IrDA UART - same setup as for MODEM 1c9e: 4828 ldr r0, =0xffff5000 ; via 0x1d40 1ca0: 9000 str r0, [sp, #0] 1ca2: 9800 ldr r0, [sp, #0] 1ca4: 2107 mov r1, #7 1ca6: 7201 strb r1, [r0, #8] 1ca8: 9900 ldr r1, [sp, #0] 1caa: 20bf mov r0, #191 ; 0xbf 1cac: 70c8 strb r0, [r1, #3] 1cae: 9800 ldr r0, [sp, #0] 1cb0: 1c80 add r0, r0, #2 1cb2: 2110 mov r1, #16 ; 0x10 1cb4: 8802 ldrh r2, [r0, #0] 1cb6: 4311 orr r1, r2 1cb8: 8001 strh r1, [r0, #0] 1cba: 9800 ldr r0, [sp, #0] 1cbc: 2180 mov r1, #128 ; 0x80 1cbe: 70c1 strb r1, [r0, #3] 1cc0: 9800 ldr r0, [sp, #0] 1cc2: 2107 mov r1, #7 1cc4: 7081 strb r1, [r0, #2] 1cc6: 9800 ldr r0, [sp, #0] 1cc8: 21bf mov r1, #191 ; 0xbf 1cca: 70c1 strb r1, [r0, #3] 1ccc: 9800 ldr r0, [sp, #0] 1cce: 2107 mov r1, #7 1cd0: 7001 strb r1, [r0, #0] 1cd2: 9800 ldr r0, [sp, #0] 1cd4: 2100 mov r1, #0 1cd6: 7041 strb r1, [r0, #1] 1cd8: 9900 ldr r1, [sp, #0] 1cda: 2003 mov r0, #3 1cdc: 70c8 strb r0, [r1, #3] 1cde: 9800 ldr r0, [sp, #0] 1ce0: 2100 mov r1, #0 1ce2: 7201 strb r1, [r0, #8] 1ce4: b001 add sp, #4 1ce6: 4770 bx lr 1ce8: b081 sub sp, #4 1cea: 4669 mov r1, sp 1cec: 7008 strb r0, [r1, #0] 1cee: 490c ldr r1, =0x864 ; via 0x1d20 1cf0: 4668 mov r0, sp 1cf2: 7800 ldrb r0, [r0, #0] 1cf4: 0080 lsl r0, r0, #2 1cf6: 5808 ldr r0, [r1, r0] 1cf8: 7941 ldrb r1, [r0, #5] 1cfa: 4668 mov r0, sp 1cfc: 7041 strb r1, [r0, #1] 1cfe: 7840 ldrb r0, [r0, #1] 1d00: 09c0 lsr r0, r0, #7 1d02: d20b bcs 0x1d1c 1d04: 4806 ldr r0, =0x864 ; via 0x1d20 1d06: 4669 mov r1, sp 1d08: 7809 ldrb r1, [r1, #0] 1d0a: 0089 lsl r1, r1, #2 1d0c: 5840 ldr r0, [r0, r1] 1d0e: 7940 ldrb r0, [r0, #5] 1d10: 4669 mov r1, sp 1d12: 7048 strb r0, [r1, #1] 1d14: 4668 mov r0, sp 1d16: 7840 ldrb r0, [r0, #1] 1d18: 09c0 lsr r0, r0, #7 1d1a: d3f3 bcc 0x1d04 1d1c: b001 add sp, #4 1d1e: 4770 bx lr 1d20: 0864 lsr r4, r4, #1 1d22: 0000 lsl r0, r0, #0 1d24: 5805 ldr r5, [r0, r0] 1d26: ffff <half-bl> 1d28: 5005 str r5, [r0, r0] 1d2a: ffff <half-bl> 1d2c: ff20 <half-bl> 1d2e: 0083 lsl r3, r0, #2 1d30: ff1b <half-bl> 1d32: 0083 lsl r3, r0, #2 1d34: ff18 <half-bl> 1d36: 0083 lsl r3, r0, #2 1d38: 5800 ldr r0, [r0, r0] 1d3a: ffff <half-bl> 1d3c: 6000 str r0, [r0, #0] 1d3e: ffff <half-bl> 1d40: 5000 str r0, [r0, r0] 1d42: ffff <half-bl> 1d44: b500 push {lr} 1d46: b087 sub sp, #28 ; 0x1c 1d48: 466b mov r3, sp 1d4a: 721a strb r2, [r3, #8] 1d4c: 9101 str r1, [sp, #4] 1d4e: 9000 str r0, [sp, #0] 1d50: 9900 ldr r1, [sp, #0] 1d52: 2000 mov r0, #0 1d54: 8008 strh r0, [r1, #0] 1d56: 9801 ldr r0, [sp, #4] 1d58: 2100 mov r1, #0 1d5a: 8001 strh r1, [r0, #0] 1d5c: 2000 mov r0, #0 1d5e: 9003 str r0, [sp, #12] ; 0xc 1d60: f7ff ff5e bl 0x1c20 1d64: a805 add r0, sp, #20 ; 0x14 1d66: a906 add r1, sp, #24 ; 0x18 1d68: 466a mov r2, sp 1d6a: 7a12 ldrb r2, [r2, #8] 1d6c: f7ff feee bl 0x1b4c 1d70: 9004 str r0, [sp, #16] ; 0x10 1d72: 9804 ldr r0, [sp, #16] ; 0x10 1d74: 2800 cmp r0, #0 1d76: d11f bne 0x1db8 1d78: 9803 ldr r0, [sp, #12] ; 0xc 1d7a: 2800 cmp r0, #0 1d7c: d11c bne 0x1db8 1d7e: 9800 ldr r0, [sp, #0] 1d80: 4669 mov r1, sp 1d82: 8b0a ldrh r2, [r1, #24] ; 0x18 1d84: 8801 ldrh r1, [r0, #0] 1d86: 1851 add r1, r2, r1 1d88: 8001 strh r1, [r0, #0] 1d8a: 9905 ldr r1, [sp, #20] ; 0x14 1d8c: 4668 mov r0, sp 1d8e: 8b00 ldrh r0, [r0, #24] ; 0x18 1d90: 8008 strh r0, [r1, #0] 1d92: 9801 ldr r0, [sp, #4] 1d94: 9905 ldr r1, [sp, #20] ; 0x14 1d96: 8809 ldrh r1, [r1, #0] 1d98: 8802 ldrh r2, [r0, #0] 1d9a: 1889 add r1, r1, r2 1d9c: 8001 strh r1, [r0, #0] 1d9e: a805 add r0, sp, #20 ; 0x14 1da0: a906 add r1, sp, #24 ; 0x18 1da2: 466a mov r2, sp 1da4: 7a12 ldrb r2, [r2, #8] 1da6: f7ff fed1 bl 0x1b4c 1daa: 9004 str r0, [sp, #16] ; 0x10 1dac: 9804 ldr r0, [sp, #16] ; 0x10 1dae: 2800 cmp r0, #0 1db0: d102 bne 0x1db8 1db2: 9803 ldr r0, [sp, #12] ; 0xc 1db4: 2800 cmp r0, #0 1db6: d0e2 beq 0x1d7e 1db8: 9804 ldr r0, [sp, #16] ; 0x10 1dba: 2801 cmp r0, #1 1dbc: d101 bne 0x1dc2 1dbe: 2004 mov r0, #4 1dc0: 9003 str r0, [sp, #12] ; 0xc 1dc2: 9803 ldr r0, [sp, #12] ; 0xc 1dc4: b007 add sp, #28 ; 0x1c 1dc6: bd00 pop {pc} 1dc8: b089 sub sp, #36 ; 0x24 1dca: 201a mov r0, #26 ; 0x1a 1dcc: 9005 str r0, [sp, #20] ; 0x14 1dce: 2018 mov r0, #24 ; 0x18 1dd0: 9006 str r0, [sp, #24] ; 0x18 1dd2: 2000 mov r0, #0 1dd4: 9008 str r0, [sp, #32] ; 0x20 1dd6: 4669 mov r1, sp 1dd8: 9805 ldr r0, [sp, #20] ; 0x14 1dda: 8800 ldrh r0, [r0, #0] 1ddc: 8008 strh r0, [r1, #0] 1dde: 9806 ldr r0, [sp, #24] ; 0x18 1de0: 8800 ldrh r0, [r0, #0] 1de2: 8048 strh r0, [r1, #2] 1de4: 4668 mov r0, sp 1de6: 8841 ldrh r1, [r0, #2] 1de8: 8800 ldrh r0, [r0, #0] 1dea: 0400 lsl r0, r0, #16 1dec: 1808 add r0, r1, r0 1dee: 9001 str r0, [sp, #4] 1df0: 9801 ldr r0, [sp, #4] 1df2: 0200 lsl r0, r0, #8 1df4: 0a00 lsr r0, r0, #8 1df6: 0080 lsl r0, r0, #2 1df8: 3008 add r0, #8 1dfa: 9007 str r0, [sp, #28] ; 0x1c 1dfc: 9807 ldr r0, [sp, #28] ; 0x1c 1dfe: 3018 add r0, #24 ; 0x18 1e00: 9002 str r0, [sp, #8] 1e02: 9802 ldr r0, [sp, #8] 1e04: 9004 str r0, [sp, #16] ; 0x10 1e06: 9802 ldr r0, [sp, #8] 1e08: 3002 add r0, #2 1e0a: 9003 str r0, [sp, #12] ; 0xc 1e0c: 9803 ldr r0, [sp, #12] ; 0xc 1e0e: 8801 ldrh r1, [r0, #0] 1e10: 4806 ldr r0, =0xffff ; via 0x1e2c 1e12: 4281 cmp r1, r0 1e14: d104 bne 0x1e20 1e16: 9804 ldr r0, [sp, #16] ; 0x10 1e18: 8800 ldrh r0, [r0, #0] 1e1a: 4904 ldr r1, =0xffff ; via 0x1e2c 1e1c: 4288 cmp r0, r1 1e1e: d001 beq 0x1e24 1e20: 2001 mov r0, #1 1e22: 9008 str r0, [sp, #32] ; 0x20 1e24: 9808 ldr r0, [sp, #32] ; 0x20 1e26: b009 add sp, #36 ; 0x24 1e28: 4770 bx lr 1e2a: 46c0 nop (mov r8, r8) 1e2c: 0000ffff ; ARM->Thumb call veneer around 0xad2 routine 1e30: e92d4000 stmdb sp!, {lr} 1e34: e28fe001 add lr, pc, #1 ; 0x1 1e38: e12fff1e bx lr 1e3c: f7fe fe49 bl 0xad2 1e40: 4778 bx pc 1e42: 46c0 nop (mov r8, r8) 1e44: e8bd8000 ldmia sp!, {pc} <1E48-1EFF: all FFs> 1f00: 00000001 <1F04-end: all FFs>