FreeCalypso > hg > tcs211-l1-reconst

annotate chipsetsw/drivers/drv_app/r2d/r2d_geometry.s @ 338:a4a1c5bb4be6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
macs.c: initial import from LoCosto source
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 29 Oct 2017 18:54:50 +0000
parents 509db1a7b7b8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
3 .state32
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
4
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
5 .if (R2D_ASM = 1)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
6
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
7 .include "r2d_asm_utils.inc"
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
8 .include "r2d_asm_configs.inc"
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
9
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
10
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
11 ; Main asm code (it is reflecting the C code of
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
12 ; r2d_blit_lcd_to_lcd)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
13
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
14 .text
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
15
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
16
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
17
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
18 .global _r2d_blit_lb,_r2d_blit_la
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
19 .global _r2d_sb_down1,_r2d_sb_down2,_r2d_sa_up1,_r2d_sa_up2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
20 .global _r2d_scb_down1,_r2d_scb_down2,_r2d_sca_up1,_r2d_sca_up2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
21 .global _r2d_sdb_down1,_r2d_sdb_down2,_r2d_sda_up1,_r2d_sda_up2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
22 .global _r2d_skip_color_proc_a
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
23 .global _r2d_end_ynb_color_dst_a
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
24 .global _r2d_skip_color_proc_b
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
25 .global _r2d_end_ynb_color_dst_b
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
26 .global _r2d_skip_color_dst_a
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
27 .global _r2d_skip_color_dst_b
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
28
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
29
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
30 .global _r2d_sconvcolb_down1,_r2d_econvcolb_down1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
31 .global _r2d_sconvcolb_down2,_r2d_econvcolb_down2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
32 .global _r2d_sconvcola_up1,_r2d_econvcola_up1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
33 .global _r2d_sconvcola_up2,_r2d_econvcola_up2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
34
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
35 .global _r2d_swb_down1,_r2d_swb_down2,_r2d_swa_up1,_r2d_swa_up2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
36
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
37
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
38 ; Patch list for write_shift_pixel_down
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
39 .global _r2d_sft_dst_n_b_down1,_r2d_sft_dst_n_b_down2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
40 .global _r2d_sft_srcb__b_down1,_r2d_sft_srcb__b_down2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
41 .global _r2d_sft_dstc__b_down1,_r2d_sft_dstc__b_down2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
42
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
43 .global _r2d_sft_src_c_b_down1,_r2d_sft_src_c_b_down2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
44 .global _r2d_sft_b_c_b_down1,_r2d_sft_b_c_b_down2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
45 .global _r2d_sft_dstb_c_b_down1,_r2d_sft_dstb_c_b_down2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
46 .global _r2d_sft_d_c_b_down1,_r2d_sft_d_c_b_down2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
47 .global _r2d_sft_dstc_c_b_down1,_r2d_sft_dstc_c_b_down2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
48
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
49 ; Patch list for write_shift_pixel_up
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
50 .global _r2d_sft_dst_n_a_up1,_r2d_sft_dst_n_a_up2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
51 .global _r2d_sft_srcb__a_up1,_r2d_sft_srcb__a_up2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
52 .global _r2d_sft_dstc__a_up1,_r2d_sft_dstc__a_up2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
53
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
54 .global _r2d_sft_src_c_a_up1,_r2d_sft_src_c_a_up2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
55 .global _r2d_sft_b_c_a_up1,_r2d_sft_b_c_a_up2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
56
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
57 ; Patch list fro shift_pixel_down
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
58 .global _r2d_sft_dst_n_downa,_r2d_sft_dst_n_downb,_r2d_sft_dst_n_downc
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
59 .global _r2d_sft_srcb_n_downa,_r2d_sft_srcb_n_downb,_r2d_sft_srcb_n_downc
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
60
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
61 .global _r2d_sft_src_c_downa,_r2d_sft_src_c_downb,_r2d_sft_src_c_downc
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
62
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
63 ; Patch list fro shift_pixel_up
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
64 .global _r2d_sft_dst_n_upa,_r2d_sft_dst_n_upb,_r2d_sft_dst_n_upc
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
65 .global _r2d_sft_srcb_n_upa,_r2d_sft_srcb_n_upb,_r2d_sft_srcb_n_upc
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
66
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
67 .global _r2d_sft_src_c_upa,_r2d_sft_src_c_upb,_r2d_sft_src_c_upc
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
68 .global _r2d_enda,_r2d_endb
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
69
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
70 .global _r2d_skip_load_src_a_up1,_r2d_skip_load_src_a_up2;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
71 .global _r2d_skip_load_src_b_down1,_r2d_skip_load_src_b_down2;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
72 .global _r2d_skip_shift_down_downa,_r2d_skip_shift_down_downb,_r2d_skip_shift_down_downc;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
73 .global _r2d_skip_shift_up_upa,_r2d_skip_shift_up_upb,_r2d_skip_shift_up_upc;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
74
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
75 .global _r2d_no_null_src_counter_a,_r2d_no_null_src_counter_b
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
76 .global _r2d_end_a_up2,_r2d_end_b_down2,_r2d_end_downa,_r2d_end_downb,_r2d_end_downc;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
77 .global _r2d_end_upa,_r2d_end_upb,_r2d_end_upc;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
78
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
79 .global _r2d_always_read_a_up1,_r2d_always_read_a_up2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
80 .global _r2d_always_read_b_down1,_r2d_always_read_b_down2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
81
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
82 .ref $r2d_blit_lcd_to_lcd
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
83
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
84 .endif
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
85
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
86 write_shift_pixel_down .macro label
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
87 ; Create free space for result
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
88 .if (R2D_PIXEL_DEPTH != 32)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
89 _r2d_sft_dst_n_:label: MOV dstvalue,dstvalue, LSR #R2D_PIXEL_DEPTH
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
90 .else
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
91 _r2d_sft_dst_n_:label: MOV dstvalue,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
92 .endif
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
93
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
94 ; Mask to extract pixel from src_current
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
95 _r2d_sft_src_c_:label: MOV calca,src_current,LSL #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
96 _r2d_always_read_:label: MOV src_current,src_current
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
97 _r2d_sft_b_c_:label: MOV calca,calca,LSR #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
98
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
99 ; Mask to extract pixel from dst_current
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
100 _r2d_sft_dstb_c_:label: MOV calcb,dst_current,LSL #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
101 _r2d_sft_d_c_:label: MOV calcb,calcb,LSR #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
102
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
103 ; Do foreground detection
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
104 _r2d_sd:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
105 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
106 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
107 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
108 _r2d_ed:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
109
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
110 ; Get foreground/background colors if needed
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
111 _r2d_sc:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
112 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
113 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
114 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
115 _r2d_ec:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
116
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
117 _r2d_sconvcol:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
118 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
119 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
120 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
121 _r2d_econvcol:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
122
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
123 ; Compute drawing mode
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
124 _r2d_s:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
125 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
126 MOV calcb,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
127 MOV calcb,calcb
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
128 _r2d_e:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
129 _r2d_sft_dstc_c_:label: ORR dstvalue,dstvalue,calcb, LSL #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
130
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
131 _r2d_sw:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
132 MOV dstvalue,dstvalue
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
133 _r2d_ew:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
134
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
135 ; Read new data if needed
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
136 .if (R2D_PIXEL_DEPTH != 32)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
137 _r2d_sft_srcb__:label: MOV src_current,src_current, LSR #R2D_PIXEL_DEPTH
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
138 _r2d_sft_dstc__:label: MOV dst_current,dst_current, LSR #R2D_PIXEL_DEPTH
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
139 .else
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
140 _r2d_sft_srcb__:label: MOV src_current,src_current,LSR #0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
141 _r2d_sft_dstc__:label: MOV dst_current,dst_current,LSR #0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
142 .endif
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
143
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
144 SUBS dstcounter,dstcounter,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
145 MOVEQ dstcounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
146 _r2d_skip_load_src_:label: MOV src_current,src_current
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
147 SUBS srccounter,srccounter,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
148 BNE M1END?
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
149 MOV srccounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
150 LDR src_current,[p_src_current,#4]!
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
151 M1END?
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
152 .endm
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
153
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
154 write_shift_pixel_up .macro label
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
155 .if (R2D_PIXEL_DEPTH != 32)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
156 _r2d_sft_dst_n_:label: MOV dstvalue,dstvalue, LSL #R2D_PIXEL_DEPTH
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
157 .else
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
158 _r2d_sft_dst_n_:label: MOV dstvalue,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
159 .endif
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
160
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
161 _r2d_sft_src_c_:label: MOV calca,src_current,LSR #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
162 _r2d_always_read_:label: MOV src_current,src_current
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
163 _r2d_sft_b_c_:label: MOV calcb,dst_current,LSR #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
164
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
165 ; Do foreground detection
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
166 _r2d_sd:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
167 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
168 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
169 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
170 _r2d_ed:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
171
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
172 ; Get foreground/background colors if needed
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
173 _r2d_sc:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
174 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
175 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
176 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
177 _r2d_ec:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
178
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
179 _r2d_sconvcol:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
180 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
181 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
182 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
183 _r2d_econvcol:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
184
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
185 ; Compute drawing mode
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
186 _r2d_s:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
187 MOV calca,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
188 MOV calcb,calca
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
189 MOV calcb,calcb
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
190 _r2d_e:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
191 ORR dstvalue,dstvalue,calcb
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
192
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
193 _r2d_sw:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
194 MOV dstvalue,dstvalue
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
195 _r2d_ew:label:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
196
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
197 .if (R2D_PIXEL_DEPTH != 32)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
198 _r2d_sft_srcb__:label: MOV src_current,src_current, LSL #R2D_PIXEL_DEPTH
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
199 _r2d_sft_dstc__:label: MOV dst_current,dst_current, LSL #R2D_PIXEL_DEPTH
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
200 .else
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
201 _r2d_sft_srcb__:label: MOV src_current,src_current,LSL #0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
202 _r2d_sft_dstc__:label: MOV dst_current,dst_current,LSL #0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
203 .endif
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
204
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
205 SUBS dstcounter,dstcounter,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
206 MOVEQ dstcounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
207 _r2d_skip_load_src_:label: MOV src_current,src_current
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
208 SUBS srccounter,srccounter,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
209 BNE M1END?
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
210 MOV srccounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
211 LDR src_current,[p_src_current,#-4]!
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
212 M1END?
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
213 .endm
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
214
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
215 shift_pixel_down .macro arg,reg,label
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
216 _r2d_skip_shift_down_:label: MOV arg,arg
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
217
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
218 .if (R2D_PIXEL_DEPTH != 32)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
219 _r2d_sft_dst_n_:label: MOV arg,arg, LSR #R2D_PIXEL_DEPTH
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
220 .else
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
221 _r2d_sft_dst_n_:label: MOV arg,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
222 .endif
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
223
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
224 _r2d_sft_src_c_:label: ORR arg,arg,:reg:_current, LSL #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
225
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
226 .if (R2D_PIXEL_DEPTH != 32)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
227 _r2d_sft_srcb_n_:label: MOV :reg:_current,:reg:_current, LSR #R2D_PIXEL_DEPTH
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
228 .else
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
229 _r2d_sft_srcb_n_:label: MOV :reg:_current,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
230 .endif
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
231
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
232 SUBS :reg:counter,:reg:counter,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
233 BNE M1END?
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
234 MOV :reg:counter,#(1<<R2D_PIXELS_PER_MEMORY_WORD)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
235 LDR :reg:_current,[p_:reg:_current,#4]!
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
236 M1END?
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
237 .endm
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
238
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
239 shift_pixel_up .macro arg,reg,label
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
240 _r2d_skip_shift_up_:label: MOV arg,arg
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
241 .if (R2D_PIXEL_DEPTH != 32)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
242 _r2d_sft_dst_n_:label: MOV arg,arg, LSL #R2D_PIXEL_DEPTH
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
243 .else
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
244 _r2d_sft_dst_n_:label: MOV arg,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
245 .endif
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
246
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
247 _r2d_sft_src_c_:label: ORR arg,arg,:reg:_current, LSR #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
248
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
249 .if (R2D_PIXEL_DEPTH != 32)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
250 _r2d_sft_srcb_n_:label: MOV :reg:_current,:reg:_current, LSL #R2D_PIXEL_DEPTH
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
251 .else
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
252 _r2d_sft_srcb_n_:label: MOV :reg:_current,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
253 .endif
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
254
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
255
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
256 SUBS :reg:counter,:reg:counter,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
257 BNE M1END?
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
258 MOV :reg:counter,#(1<<R2D_PIXELS_PER_MEMORY_WORD)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
259 LDR :reg:_current,[p_:reg:_current,#-4]!
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
260 M1END?
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
261 .endm
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
262
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
263 .if (R2D_ASM = 1)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
264
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
265 ;--------------------------------------
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
266 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
267 ; v_direction == -1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
268 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
269
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
270 _r2d_blit_la
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
271 STMFD SP!, {R4,R5,R6,R7,R8,R9,R10,R11,R12,LR}
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
272 LDR dstvalue, [R0,#S_FRAME.dstvalue_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
273 LDR dst_current, [R0,#S_FRAME.dst_current_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
274 LDRH dstcounter, [R0,#S_FRAME.dstcounter_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
275 LDR src_current, [R0,#S_FRAME.src_current_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
276 LDRH ynb, [R0,#S_FRAME.ynb_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
277 LDR p_src_current, [R0,#S_FRAME.p_src_current_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
278 LDR p_dst_current, [R0,#S_FRAME.p_dst_current_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
279 LDR x, [R0,#S_FRAME.x_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
280 LDR y, [R0,#S_FRAME.y_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
281 LDRH current_dst_dy, [R0,#S_FRAME.current_dst_dy_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
282 LDRH current_src_dy, [R0,#S_FRAME.current_src_dy_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
283 LDRH dst_dy, [R0,#S_FRAME.dst_dy_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
284
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
285
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
286 ;-------------------------------------
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
287 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
288 ; First while
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
289 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
290 ; current_dst_dy != dst_dy
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
291 current_dst_a: CMP current_dst_dy,dst_dy
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
292 BEQ end_current_dst_a
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
293
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
294 shift_pixel_up dstvalue,dst,upa
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
295
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
296 _r2d_end_upa: SUB current_dst_dy,current_dst_dy,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
297 SUB y,y,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
298 B current_dst_a
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
299
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
300 end_current_dst_a:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
301
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
302 ; Load srcounter(and overwrite dst_dy)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
303 LDRH srccounter, [R0,#S_FRAME.srccounter_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
304
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
305 LDRH temp,[R0,#S_FRAME.src_dy_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
306 SUB current_src_dy,current_src_dy,temp
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
307
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
308 ;-------------------------------------
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
309 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
310 ; Second while
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
311 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
312 ; current_src_dy - src_dy != 0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
313 current_src_a: CMP current_src_dy,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
314 BEQ end_current_src_a
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
315
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
316 shift_pixel_up temp,src,upb
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
317
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
318 _r2d_end_upb: SUB current_src_dy,current_src_dy,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
319 B current_src_a
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
320
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
321 end_current_src_a:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
322
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
323 ;-------------------------------------
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
324 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
325 ; Third while
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
326 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
327 ; (ynb!=0)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
328 _r2d_ynb_loop_a: TEQ ynb,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
329 BEQ end_ynb_loop_a
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
330
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
331 write_shift_pixel_up a_up1 ; was a_up1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
332
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
333 _r2d_no_null_src_counter_a:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
334 SUB y,y,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
335
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
336 ; When dst is color framebuffer, following instruction is replaced by
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
337 ; BL no_end_dst_counter_a so, to ynb_loop_a
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
338 _r2d_skip_color_proc_a: MOV y,y
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
339
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
340 CMP dstcounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
341 BNE no_end_dst_counter_a
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
342
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
343 SUB ynb,ynb,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
344 STR dstvalue,[p_dst_current],#-4
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
345
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
346 LDR dst_current,[p_dst_current]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
347 MOV dstvalue,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
348 MOV current_dst_dy,#((1<<R2D_PIXELS_PER_MEMORY_WORD)-1)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
349
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
350 no_end_dst_counter_a: B _r2d_ynb_loop_a
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
351 _r2d_end_ynb_color_dst_a:SUB ynb,ynb,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
352 B _r2d_ynb_loop_a
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
353
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
354 end_ynb_loop_a:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
355 _r2d_skip_color_dst_a: MOV y,y
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
356
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
357 ADD current_dst_dy,current_dst_dy,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
358 LDRH temp,[R0,#S_FRAME.end_dst_dy_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
359 SUB current_dst_dy,current_dst_dy,temp
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
360
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
361 ;-------------------------------------
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
362 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
363 ; Fourth while
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
364 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
365 ; current_dst_dy - end_dst_dy != 0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
366 end_dst_loop_a: TEQ current_dst_dy,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
367 BEQ end_end_dst_loop_a
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
368
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
369 write_shift_pixel_up a_up2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
370
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
371 _r2d_end_a_up2: SUB current_dst_dy,current_dst_dy,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
372 SUB y,y,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
373 B end_dst_loop_a
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
374 end_end_dst_loop_a:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
375 MOV temp,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
376 CMP dstcounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
377 MOVEQ temp,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
378
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
379 ;-------------------------------------
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
380 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
381 ; Last while
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
382 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
383 ; dstcounter != (1<<R2D_PIXELS_PER_MEMORY_WORD)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
384 dst_counter_loop_a: CMP dstcounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
385 BEQ end_dst_counter_loop_a
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
386 shift_pixel_up dstvalue,dst,upc
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
387 _r2d_end_upc: SUB y,y,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
388 B dst_counter_loop_a
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
389 end_dst_counter_loop_a:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
390 CMP temp,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
391 STREQ dstvalue,[p_dst_current,#4]!
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
392
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
393 CMP temp,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
394 STRNE dstvalue,[p_dst_current]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
395 _r2d_enda:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
396 LDMFD SP!, {R4,R5,R6,R7,R8,R9,R10,R11,R12,LR}
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
397 MOV PC,LR
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
398
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
399
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
400 ;--------------------------------------
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
401 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
402 ; v_direction != -1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
403 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
404 _r2d_blit_lb
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
405 STMFD SP!, {R4,R5,R6,R7,R8,R9,R10,R11,R12,LR}
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
406 LDR dstvalue, [R0,#S_FRAME.dstvalue_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
407 LDR dst_current, [R0,#S_FRAME.dst_current_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
408 LDRH dstcounter, [R0,#S_FRAME.dstcounter_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
409 LDR src_current, [R0,#S_FRAME.src_current_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
410 LDRH ynb, [R0,#S_FRAME.ynb_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
411 LDR p_src_current, [R0,#S_FRAME.p_src_current_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
412 LDR p_dst_current, [R0,#S_FRAME.p_dst_current_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
413 LDR x, [R0,#S_FRAME.x_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
414 LDR y, [R0,#S_FRAME.y_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
415 LDRH current_dst_dy, [R0,#S_FRAME.current_dst_dy_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
416 LDRH current_src_dy, [R0,#S_FRAME.current_src_dy_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
417 LDRH dst_dy, [R0,#S_FRAME.dst_dy_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
418
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
419
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
420 ;-------------------------------------
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
421 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
422 ; First while
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
423 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
424 ; current_dst_dy != dst_dy
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
425 current_dst_b: CMP current_dst_dy,dst_dy
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
426 BEQ end_current_dst_b
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
427
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
428 shift_pixel_down dstvalue,dst,downa
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
429
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
430 _r2d_end_downa: ADD current_dst_dy,current_dst_dy,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
431 ADD y,y,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
432 B current_dst_b
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
433
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
434 end_current_dst_b:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
435
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
436 ; Load srcounter(and overwrite dst_dy)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
437 LDRH srccounter, [R0,#S_FRAME.srccounter_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
438
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
439 LDRH temp,[R0,#S_FRAME.src_dy_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
440 SUB current_src_dy,current_src_dy,temp
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
441
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
442 ;-------------------------------------
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
443 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
444 ; Second while
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
445 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
446 ; current_src_dy - src_dy != 0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
447 current_src_b: CMP current_src_dy,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
448 BEQ end_current_src_b
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
449
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
450 shift_pixel_down temp,src,downb
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
451
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
452 _r2d_end_downb: ADD current_src_dy,current_src_dy,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
453 B current_src_b
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
454
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
455 end_current_src_b:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
456
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
457 ;-------------------------------------
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
458 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
459 ; Third while
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
460 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
461 ; (ynb!=0)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
462 _r2d_ynb_loop_b: TEQ ynb,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
463 BEQ end_ynb_loop_b
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
464
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
465 write_shift_pixel_down b_down1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
466
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
467 _r2d_no_null_src_counter_b:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
468 ADD y,y,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
469
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
470 ; When dst is color framebuffer, following instruction is replaced by
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
471 ; BL no_end_dst_counter_a so, to ynb_loop_a
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
472 _r2d_skip_color_proc_b: MOV y,y
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
473
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
474 CMP dstcounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
475 BNE no_end_dst_counter_b
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
476
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
477 SUB ynb,ynb,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
478 STR dstvalue,[p_dst_current],#4
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
479
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
480 LDR dst_current,[p_dst_current]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
481 MOV dstvalue,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
482 MOV current_dst_dy,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
483
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
484 no_end_dst_counter_b: B _r2d_ynb_loop_b
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
485 _r2d_end_ynb_color_dst_b: SUB ynb,ynb,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
486 B _r2d_ynb_loop_b
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
487 end_ynb_loop_b:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
488 _r2d_skip_color_dst_b: MOV y,y
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
489
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
490 SUB current_dst_dy,current_dst_dy,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
491 LDRH temp,[R0,#S_FRAME.end_dst_dy_ind]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
492 SUB current_dst_dy,current_dst_dy,temp
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
493
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
494 ;-------------------------------------
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
495 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
496 ; Fourth while
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
497 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
498 ; current_dst_dy - end_dst_dy != 0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
499 end_dst_loop_b: TEQ current_dst_dy,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
500 BEQ end_end_dst_loop_b
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
501
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
502 write_shift_pixel_down b_down2
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
503
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
504 _r2d_end_b_down2: ADD current_dst_dy,current_dst_dy,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
505 ADD y,y,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
506 B end_dst_loop_b
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
507 end_end_dst_loop_b:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
508 MOV temp,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
509 CMP dstcounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
510 MOVEQ temp,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
511
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
512 ;-------------------------------------
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
513 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
514 ; Last while
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
515 ;
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
516 ; dstcounter != (1<<R2D_PIXELS_PER_MEMORY_WORD)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
517 dst_counter_loop_b: CMP dstcounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD)
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
518 BEQ end_dst_counter_loop_b
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
519 shift_pixel_down dstvalue,dst,downc
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
520 _r2d_end_downc: ADD y,y,#1
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
521 B dst_counter_loop_b
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
522 end_dst_counter_loop_b:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
523 CMP temp,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
524 STREQ dstvalue,[p_dst_current,#-4]!
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
525
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
526 CMP temp,#0
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
527 STRNE dstvalue,[p_dst_current]
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
528 _r2d_endb:
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
529 LDMFD SP!, {R4,R5,R6,R7,R8,R9,R10,R11,R12,LR}
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
530 MOV PC,LR
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
531
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
532 .endif
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
533
509db1a7b7b8 initial import: leo2moko-r1
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
534 .end