FreeCalypso > hg > fc-magnetite
annotate src/cs/drivers/drv_app/r2d/r2d_geometry.s @ 394:fe200bd2f188
configs/*: converted to use scripts/config-headers-new.sh
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 17 Jan 2018 22:53:14 +0000 |
parents | 945cf7f506b2 |
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3 .state32 |
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5 .if (R2D_ASM = 1) |
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6 |
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7 .include "r2d_asm_utils.inc" |
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8 .include "r2d_asm_configs.inc" |
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9 |
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11 ; Main asm code (it is reflecting the C code of |
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12 ; r2d_blit_lcd_to_lcd) |
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14 .text |
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18 .global _r2d_blit_lb,_r2d_blit_la |
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19 .global _r2d_sb_down1,_r2d_sb_down2,_r2d_sa_up1,_r2d_sa_up2 |
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20 .global _r2d_scb_down1,_r2d_scb_down2,_r2d_sca_up1,_r2d_sca_up2 |
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21 .global _r2d_sdb_down1,_r2d_sdb_down2,_r2d_sda_up1,_r2d_sda_up2 |
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22 .global _r2d_skip_color_proc_a |
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23 .global _r2d_end_ynb_color_dst_a |
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24 .global _r2d_skip_color_proc_b |
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25 .global _r2d_end_ynb_color_dst_b |
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26 .global _r2d_skip_color_dst_a |
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27 .global _r2d_skip_color_dst_b |
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30 .global _r2d_sconvcolb_down1,_r2d_econvcolb_down1 |
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31 .global _r2d_sconvcolb_down2,_r2d_econvcolb_down2 |
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32 .global _r2d_sconvcola_up1,_r2d_econvcola_up1 |
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33 .global _r2d_sconvcola_up2,_r2d_econvcola_up2 |
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35 .global _r2d_swb_down1,_r2d_swb_down2,_r2d_swa_up1,_r2d_swa_up2 |
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36 |
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37 |
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38 ; Patch list for write_shift_pixel_down |
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39 .global _r2d_sft_dst_n_b_down1,_r2d_sft_dst_n_b_down2 |
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40 .global _r2d_sft_srcb__b_down1,_r2d_sft_srcb__b_down2 |
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41 .global _r2d_sft_dstc__b_down1,_r2d_sft_dstc__b_down2 |
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42 |
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43 .global _r2d_sft_src_c_b_down1,_r2d_sft_src_c_b_down2 |
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44 .global _r2d_sft_b_c_b_down1,_r2d_sft_b_c_b_down2 |
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45 .global _r2d_sft_dstb_c_b_down1,_r2d_sft_dstb_c_b_down2 |
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46 .global _r2d_sft_d_c_b_down1,_r2d_sft_d_c_b_down2 |
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47 .global _r2d_sft_dstc_c_b_down1,_r2d_sft_dstc_c_b_down2 |
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48 |
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49 ; Patch list for write_shift_pixel_up |
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50 .global _r2d_sft_dst_n_a_up1,_r2d_sft_dst_n_a_up2 |
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51 .global _r2d_sft_srcb__a_up1,_r2d_sft_srcb__a_up2 |
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52 .global _r2d_sft_dstc__a_up1,_r2d_sft_dstc__a_up2 |
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53 |
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54 .global _r2d_sft_src_c_a_up1,_r2d_sft_src_c_a_up2 |
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55 .global _r2d_sft_b_c_a_up1,_r2d_sft_b_c_a_up2 |
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56 |
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57 ; Patch list fro shift_pixel_down |
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58 .global _r2d_sft_dst_n_downa,_r2d_sft_dst_n_downb,_r2d_sft_dst_n_downc |
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59 .global _r2d_sft_srcb_n_downa,_r2d_sft_srcb_n_downb,_r2d_sft_srcb_n_downc |
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60 |
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61 .global _r2d_sft_src_c_downa,_r2d_sft_src_c_downb,_r2d_sft_src_c_downc |
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62 |
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63 ; Patch list fro shift_pixel_up |
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64 .global _r2d_sft_dst_n_upa,_r2d_sft_dst_n_upb,_r2d_sft_dst_n_upc |
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65 .global _r2d_sft_srcb_n_upa,_r2d_sft_srcb_n_upb,_r2d_sft_srcb_n_upc |
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66 |
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67 .global _r2d_sft_src_c_upa,_r2d_sft_src_c_upb,_r2d_sft_src_c_upc |
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68 .global _r2d_enda,_r2d_endb |
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69 |
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70 .global _r2d_skip_load_src_a_up1,_r2d_skip_load_src_a_up2; |
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71 .global _r2d_skip_load_src_b_down1,_r2d_skip_load_src_b_down2; |
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72 .global _r2d_skip_shift_down_downa,_r2d_skip_shift_down_downb,_r2d_skip_shift_down_downc; |
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73 .global _r2d_skip_shift_up_upa,_r2d_skip_shift_up_upb,_r2d_skip_shift_up_upc; |
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74 |
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75 .global _r2d_no_null_src_counter_a,_r2d_no_null_src_counter_b |
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76 .global _r2d_end_a_up2,_r2d_end_b_down2,_r2d_end_downa,_r2d_end_downb,_r2d_end_downc; |
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77 .global _r2d_end_upa,_r2d_end_upb,_r2d_end_upc; |
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78 |
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79 .global _r2d_always_read_a_up1,_r2d_always_read_a_up2 |
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80 .global _r2d_always_read_b_down1,_r2d_always_read_b_down2 |
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81 |
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82 .ref $r2d_blit_lcd_to_lcd |
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83 |
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84 .endif |
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85 |
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86 write_shift_pixel_down .macro label |
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87 ; Create free space for result |
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88 .if (R2D_PIXEL_DEPTH != 32) |
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89 _r2d_sft_dst_n_:label: MOV dstvalue,dstvalue, LSR #R2D_PIXEL_DEPTH |
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90 .else |
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91 _r2d_sft_dst_n_:label: MOV dstvalue,#0 |
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92 .endif |
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93 |
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94 ; Mask to extract pixel from src_current |
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95 _r2d_sft_src_c_:label: MOV calca,src_current,LSL #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH) |
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96 _r2d_always_read_:label: MOV src_current,src_current |
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97 _r2d_sft_b_c_:label: MOV calca,calca,LSR #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH) |
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98 |
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99 ; Mask to extract pixel from dst_current |
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100 _r2d_sft_dstb_c_:label: MOV calcb,dst_current,LSL #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH) |
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101 _r2d_sft_d_c_:label: MOV calcb,calcb,LSR #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH) |
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102 |
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103 ; Do foreground detection |
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104 _r2d_sd:label: |
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105 MOV calca,calca |
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106 MOV calca,calca |
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107 MOV calca,calca |
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108 _r2d_ed:label: |
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109 |
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110 ; Get foreground/background colors if needed |
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111 _r2d_sc:label: |
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112 MOV calca,calca |
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113 MOV calca,calca |
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114 MOV calca,calca |
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115 _r2d_ec:label: |
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116 |
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117 _r2d_sconvcol:label: |
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118 MOV calca,calca |
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119 MOV calca,calca |
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120 MOV calca,calca |
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121 _r2d_econvcol:label: |
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122 |
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123 ; Compute drawing mode |
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124 _r2d_s:label: |
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125 MOV calca,calca |
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126 MOV calcb,calca |
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127 MOV calcb,calcb |
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128 _r2d_e:label: |
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129 _r2d_sft_dstc_c_:label: ORR dstvalue,dstvalue,calcb, LSL #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH) |
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130 |
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131 _r2d_sw:label: |
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132 MOV dstvalue,dstvalue |
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133 _r2d_ew:label: |
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134 |
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135 ; Read new data if needed |
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136 .if (R2D_PIXEL_DEPTH != 32) |
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137 _r2d_sft_srcb__:label: MOV src_current,src_current, LSR #R2D_PIXEL_DEPTH |
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138 _r2d_sft_dstc__:label: MOV dst_current,dst_current, LSR #R2D_PIXEL_DEPTH |
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139 .else |
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140 _r2d_sft_srcb__:label: MOV src_current,src_current,LSR #0 |
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141 _r2d_sft_dstc__:label: MOV dst_current,dst_current,LSR #0 |
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142 .endif |
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143 |
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144 SUBS dstcounter,dstcounter,#1 |
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145 MOVEQ dstcounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD) |
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146 _r2d_skip_load_src_:label: MOV src_current,src_current |
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147 SUBS srccounter,srccounter,#1 |
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148 BNE M1END? |
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149 MOV srccounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD) |
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150 LDR src_current,[p_src_current,#4]! |
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151 M1END? |
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152 .endm |
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153 |
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154 write_shift_pixel_up .macro label |
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155 .if (R2D_PIXEL_DEPTH != 32) |
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156 _r2d_sft_dst_n_:label: MOV dstvalue,dstvalue, LSL #R2D_PIXEL_DEPTH |
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157 .else |
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158 _r2d_sft_dst_n_:label: MOV dstvalue,#0 |
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159 .endif |
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160 |
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161 _r2d_sft_src_c_:label: MOV calca,src_current,LSR #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH) |
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162 _r2d_always_read_:label: MOV src_current,src_current |
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163 _r2d_sft_b_c_:label: MOV calcb,dst_current,LSR #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH) |
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164 |
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165 ; Do foreground detection |
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166 _r2d_sd:label: |
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167 MOV calca,calca |
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168 MOV calca,calca |
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169 MOV calca,calca |
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170 _r2d_ed:label: |
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171 |
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172 ; Get foreground/background colors if needed |
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173 _r2d_sc:label: |
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174 MOV calca,calca |
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175 MOV calca,calca |
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176 MOV calca,calca |
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177 _r2d_ec:label: |
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178 |
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179 _r2d_sconvcol:label: |
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180 MOV calca,calca |
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181 MOV calca,calca |
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182 MOV calca,calca |
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183 _r2d_econvcol:label: |
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184 |
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185 ; Compute drawing mode |
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186 _r2d_s:label: |
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187 MOV calca,calca |
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188 MOV calcb,calca |
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189 MOV calcb,calcb |
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190 _r2d_e:label: |
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191 ORR dstvalue,dstvalue,calcb |
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192 |
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193 _r2d_sw:label: |
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194 MOV dstvalue,dstvalue |
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195 _r2d_ew:label: |
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196 |
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197 .if (R2D_PIXEL_DEPTH != 32) |
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198 _r2d_sft_srcb__:label: MOV src_current,src_current, LSL #R2D_PIXEL_DEPTH |
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199 _r2d_sft_dstc__:label: MOV dst_current,dst_current, LSL #R2D_PIXEL_DEPTH |
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200 .else |
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201 _r2d_sft_srcb__:label: MOV src_current,src_current,LSL #0 |
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202 _r2d_sft_dstc__:label: MOV dst_current,dst_current,LSL #0 |
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203 .endif |
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204 |
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205 SUBS dstcounter,dstcounter,#1 |
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206 MOVEQ dstcounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD) |
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207 _r2d_skip_load_src_:label: MOV src_current,src_current |
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208 SUBS srccounter,srccounter,#1 |
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209 BNE M1END? |
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210 MOV srccounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD) |
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211 LDR src_current,[p_src_current,#-4]! |
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212 M1END? |
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213 .endm |
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214 |
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215 shift_pixel_down .macro arg,reg,label |
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216 _r2d_skip_shift_down_:label: MOV arg,arg |
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217 |
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218 .if (R2D_PIXEL_DEPTH != 32) |
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219 _r2d_sft_dst_n_:label: MOV arg,arg, LSR #R2D_PIXEL_DEPTH |
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220 .else |
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221 _r2d_sft_dst_n_:label: MOV arg,#0 |
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222 .endif |
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223 |
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224 _r2d_sft_src_c_:label: ORR arg,arg,:reg:_current, LSL #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH) |
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225 |
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226 .if (R2D_PIXEL_DEPTH != 32) |
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227 _r2d_sft_srcb_n_:label: MOV :reg:_current,:reg:_current, LSR #R2D_PIXEL_DEPTH |
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228 .else |
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229 _r2d_sft_srcb_n_:label: MOV :reg:_current,#0 |
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230 .endif |
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231 |
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232 SUBS :reg:counter,:reg:counter,#1 |
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233 BNE M1END? |
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234 MOV :reg:counter,#(1<<R2D_PIXELS_PER_MEMORY_WORD) |
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235 LDR :reg:_current,[p_:reg:_current,#4]! |
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236 M1END? |
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237 .endm |
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238 |
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239 shift_pixel_up .macro arg,reg,label |
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240 _r2d_skip_shift_up_:label: MOV arg,arg |
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241 .if (R2D_PIXEL_DEPTH != 32) |
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242 _r2d_sft_dst_n_:label: MOV arg,arg, LSL #R2D_PIXEL_DEPTH |
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243 .else |
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244 _r2d_sft_dst_n_:label: MOV arg,#0 |
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245 .endif |
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246 |
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247 _r2d_sft_src_c_:label: ORR arg,arg,:reg:_current, LSR #((1<<R2D_MEMORY_WORD) - R2D_PIXEL_DEPTH) |
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248 |
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249 .if (R2D_PIXEL_DEPTH != 32) |
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250 _r2d_sft_srcb_n_:label: MOV :reg:_current,:reg:_current, LSL #R2D_PIXEL_DEPTH |
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251 .else |
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252 _r2d_sft_srcb_n_:label: MOV :reg:_current,#0 |
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253 .endif |
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254 |
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255 |
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256 SUBS :reg:counter,:reg:counter,#1 |
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257 BNE M1END? |
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258 MOV :reg:counter,#(1<<R2D_PIXELS_PER_MEMORY_WORD) |
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259 LDR :reg:_current,[p_:reg:_current,#-4]! |
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260 M1END? |
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261 .endm |
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262 |
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263 .if (R2D_ASM = 1) |
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264 |
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265 ;-------------------------------------- |
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266 ; |
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267 ; v_direction == -1 |
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268 ; |
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269 |
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270 _r2d_blit_la |
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271 STMFD SP!, {R4,R5,R6,R7,R8,R9,R10,R11,R12,LR} |
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272 LDR dstvalue, [R0,#S_FRAME.dstvalue_ind] |
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273 LDR dst_current, [R0,#S_FRAME.dst_current_ind] |
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274 LDRH dstcounter, [R0,#S_FRAME.dstcounter_ind] |
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275 LDR src_current, [R0,#S_FRAME.src_current_ind] |
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276 LDRH ynb, [R0,#S_FRAME.ynb_ind] |
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277 LDR p_src_current, [R0,#S_FRAME.p_src_current_ind] |
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278 LDR p_dst_current, [R0,#S_FRAME.p_dst_current_ind] |
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279 LDR x, [R0,#S_FRAME.x_ind] |
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280 LDR y, [R0,#S_FRAME.y_ind] |
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281 LDRH current_dst_dy, [R0,#S_FRAME.current_dst_dy_ind] |
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282 LDRH current_src_dy, [R0,#S_FRAME.current_src_dy_ind] |
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283 LDRH dst_dy, [R0,#S_FRAME.dst_dy_ind] |
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284 |
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285 |
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286 ;------------------------------------- |
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287 ; |
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288 ; First while |
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289 ; |
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290 ; current_dst_dy != dst_dy |
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291 current_dst_a: CMP current_dst_dy,dst_dy |
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292 BEQ end_current_dst_a |
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293 |
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294 shift_pixel_up dstvalue,dst,upa |
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295 |
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296 _r2d_end_upa: SUB current_dst_dy,current_dst_dy,#1 |
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297 SUB y,y,#1 |
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298 B current_dst_a |
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299 |
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300 end_current_dst_a: |
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301 |
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302 ; Load srcounter(and overwrite dst_dy) |
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303 LDRH srccounter, [R0,#S_FRAME.srccounter_ind] |
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304 |
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305 LDRH temp,[R0,#S_FRAME.src_dy_ind] |
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306 SUB current_src_dy,current_src_dy,temp |
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307 |
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308 ;------------------------------------- |
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309 ; |
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310 ; Second while |
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311 ; |
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312 ; current_src_dy - src_dy != 0 |
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313 current_src_a: CMP current_src_dy,#0 |
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314 BEQ end_current_src_a |
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315 |
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316 shift_pixel_up temp,src,upb |
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317 |
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318 _r2d_end_upb: SUB current_src_dy,current_src_dy,#1 |
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319 B current_src_a |
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320 |
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321 end_current_src_a: |
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322 |
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323 ;------------------------------------- |
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324 ; |
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325 ; Third while |
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326 ; |
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327 ; (ynb!=0) |
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328 _r2d_ynb_loop_a: TEQ ynb,#0 |
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329 BEQ end_ynb_loop_a |
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330 |
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331 write_shift_pixel_up a_up1 ; was a_up1 |
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332 |
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333 _r2d_no_null_src_counter_a: |
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334 SUB y,y,#1 |
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335 |
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336 ; When dst is color framebuffer, following instruction is replaced by |
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337 ; BL no_end_dst_counter_a so, to ynb_loop_a |
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338 _r2d_skip_color_proc_a: MOV y,y |
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339 |
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340 CMP dstcounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD) |
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341 BNE no_end_dst_counter_a |
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342 |
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343 SUB ynb,ynb,#1 |
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344 STR dstvalue,[p_dst_current],#-4 |
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345 |
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346 LDR dst_current,[p_dst_current] |
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347 MOV dstvalue,#0 |
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348 MOV current_dst_dy,#((1<<R2D_PIXELS_PER_MEMORY_WORD)-1) |
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349 |
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350 no_end_dst_counter_a: B _r2d_ynb_loop_a |
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351 _r2d_end_ynb_color_dst_a:SUB ynb,ynb,#1 |
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352 B _r2d_ynb_loop_a |
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353 |
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354 end_ynb_loop_a: |
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355 _r2d_skip_color_dst_a: MOV y,y |
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356 |
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357 ADD current_dst_dy,current_dst_dy,#1 |
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358 LDRH temp,[R0,#S_FRAME.end_dst_dy_ind] |
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359 SUB current_dst_dy,current_dst_dy,temp |
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360 |
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361 ;------------------------------------- |
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362 ; |
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363 ; Fourth while |
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364 ; |
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365 ; current_dst_dy - end_dst_dy != 0 |
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366 end_dst_loop_a: TEQ current_dst_dy,#0 |
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367 BEQ end_end_dst_loop_a |
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368 |
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369 write_shift_pixel_up a_up2 |
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370 |
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371 _r2d_end_a_up2: SUB current_dst_dy,current_dst_dy,#1 |
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372 SUB y,y,#1 |
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373 B end_dst_loop_a |
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374 end_end_dst_loop_a: |
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375 MOV temp,#0 |
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376 CMP dstcounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD) |
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377 MOVEQ temp,#1 |
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378 |
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379 ;------------------------------------- |
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380 ; |
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381 ; Last while |
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382 ; |
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383 ; dstcounter != (1<<R2D_PIXELS_PER_MEMORY_WORD) |
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384 dst_counter_loop_a: CMP dstcounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD) |
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385 BEQ end_dst_counter_loop_a |
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386 shift_pixel_up dstvalue,dst,upc |
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387 _r2d_end_upc: SUB y,y,#1 |
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388 B dst_counter_loop_a |
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389 end_dst_counter_loop_a: |
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390 CMP temp,#0 |
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391 STREQ dstvalue,[p_dst_current,#4]! |
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392 |
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393 CMP temp,#0 |
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394 STRNE dstvalue,[p_dst_current] |
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395 _r2d_enda: |
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396 LDMFD SP!, {R4,R5,R6,R7,R8,R9,R10,R11,R12,LR} |
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397 MOV PC,LR |
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398 |
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399 |
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400 ;-------------------------------------- |
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401 ; |
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402 ; v_direction != -1 |
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403 ; |
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404 _r2d_blit_lb |
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405 STMFD SP!, {R4,R5,R6,R7,R8,R9,R10,R11,R12,LR} |
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406 LDR dstvalue, [R0,#S_FRAME.dstvalue_ind] |
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407 LDR dst_current, [R0,#S_FRAME.dst_current_ind] |
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408 LDRH dstcounter, [R0,#S_FRAME.dstcounter_ind] |
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409 LDR src_current, [R0,#S_FRAME.src_current_ind] |
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410 LDRH ynb, [R0,#S_FRAME.ynb_ind] |
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411 LDR p_src_current, [R0,#S_FRAME.p_src_current_ind] |
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412 LDR p_dst_current, [R0,#S_FRAME.p_dst_current_ind] |
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413 LDR x, [R0,#S_FRAME.x_ind] |
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414 LDR y, [R0,#S_FRAME.y_ind] |
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415 LDRH current_dst_dy, [R0,#S_FRAME.current_dst_dy_ind] |
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416 LDRH current_src_dy, [R0,#S_FRAME.current_src_dy_ind] |
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417 LDRH dst_dy, [R0,#S_FRAME.dst_dy_ind] |
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418 |
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419 |
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|
420 ;------------------------------------- |
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|
421 ; |
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|
422 ; First while |
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|
423 ; |
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diff
changeset
|
424 ; current_dst_dy != dst_dy |
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|
425 current_dst_b: CMP current_dst_dy,dst_dy |
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changeset
|
426 BEQ end_current_dst_b |
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parents:
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changeset
|
427 |
945cf7f506b2
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parents:
diff
changeset
|
428 shift_pixel_down dstvalue,dst,downa |
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parents:
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changeset
|
429 |
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changeset
|
430 _r2d_end_downa: ADD current_dst_dy,current_dst_dy,#1 |
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parents:
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|
431 ADD y,y,#1 |
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changeset
|
432 B current_dst_b |
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parents:
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changeset
|
433 |
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diff
changeset
|
434 end_current_dst_b: |
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parents:
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changeset
|
435 |
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parents:
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changeset
|
436 ; Load srcounter(and overwrite dst_dy) |
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parents:
diff
changeset
|
437 LDRH srccounter, [R0,#S_FRAME.srccounter_ind] |
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parents:
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changeset
|
438 |
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parents:
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changeset
|
439 LDRH temp,[R0,#S_FRAME.src_dy_ind] |
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parents:
diff
changeset
|
440 SUB current_src_dy,current_src_dy,temp |
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parents:
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|
441 |
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|
442 ;------------------------------------- |
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parents:
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|
443 ; |
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diff
changeset
|
444 ; Second while |
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parents:
diff
changeset
|
445 ; |
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parents:
diff
changeset
|
446 ; current_src_dy - src_dy != 0 |
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parents:
diff
changeset
|
447 current_src_b: CMP current_src_dy,#0 |
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parents:
diff
changeset
|
448 BEQ end_current_src_b |
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parents:
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|
449 |
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parents:
diff
changeset
|
450 shift_pixel_down temp,src,downb |
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parents:
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changeset
|
451 |
945cf7f506b2
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parents:
diff
changeset
|
452 _r2d_end_downb: ADD current_src_dy,current_src_dy,#1 |
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parents:
diff
changeset
|
453 B current_src_b |
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parents:
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changeset
|
454 |
945cf7f506b2
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parents:
diff
changeset
|
455 end_current_src_b: |
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parents:
diff
changeset
|
456 |
945cf7f506b2
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parents:
diff
changeset
|
457 ;------------------------------------- |
945cf7f506b2
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parents:
diff
changeset
|
458 ; |
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parents:
diff
changeset
|
459 ; Third while |
945cf7f506b2
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parents:
diff
changeset
|
460 ; |
945cf7f506b2
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parents:
diff
changeset
|
461 ; (ynb!=0) |
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parents:
diff
changeset
|
462 _r2d_ynb_loop_b: TEQ ynb,#0 |
945cf7f506b2
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parents:
diff
changeset
|
463 BEQ end_ynb_loop_b |
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parents:
diff
changeset
|
464 |
945cf7f506b2
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parents:
diff
changeset
|
465 write_shift_pixel_down b_down1 |
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parents:
diff
changeset
|
466 |
945cf7f506b2
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parents:
diff
changeset
|
467 _r2d_no_null_src_counter_b: |
945cf7f506b2
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parents:
diff
changeset
|
468 ADD y,y,#1 |
945cf7f506b2
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parents:
diff
changeset
|
469 |
945cf7f506b2
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parents:
diff
changeset
|
470 ; When dst is color framebuffer, following instruction is replaced by |
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parents:
diff
changeset
|
471 ; BL no_end_dst_counter_a so, to ynb_loop_a |
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parents:
diff
changeset
|
472 _r2d_skip_color_proc_b: MOV y,y |
945cf7f506b2
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parents:
diff
changeset
|
473 |
945cf7f506b2
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parents:
diff
changeset
|
474 CMP dstcounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD) |
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parents:
diff
changeset
|
475 BNE no_end_dst_counter_b |
945cf7f506b2
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parents:
diff
changeset
|
476 |
945cf7f506b2
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parents:
diff
changeset
|
477 SUB ynb,ynb,#1 |
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parents:
diff
changeset
|
478 STR dstvalue,[p_dst_current],#4 |
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parents:
diff
changeset
|
479 |
945cf7f506b2
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parents:
diff
changeset
|
480 LDR dst_current,[p_dst_current] |
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parents:
diff
changeset
|
481 MOV dstvalue,#0 |
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parents:
diff
changeset
|
482 MOV current_dst_dy,#0 |
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parents:
diff
changeset
|
483 |
945cf7f506b2
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parents:
diff
changeset
|
484 no_end_dst_counter_b: B _r2d_ynb_loop_b |
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parents:
diff
changeset
|
485 _r2d_end_ynb_color_dst_b: SUB ynb,ynb,#1 |
945cf7f506b2
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parents:
diff
changeset
|
486 B _r2d_ynb_loop_b |
945cf7f506b2
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parents:
diff
changeset
|
487 end_ynb_loop_b: |
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parents:
diff
changeset
|
488 _r2d_skip_color_dst_b: MOV y,y |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
489 |
945cf7f506b2
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parents:
diff
changeset
|
490 SUB current_dst_dy,current_dst_dy,#1 |
945cf7f506b2
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parents:
diff
changeset
|
491 LDRH temp,[R0,#S_FRAME.end_dst_dy_ind] |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
492 SUB current_dst_dy,current_dst_dy,temp |
945cf7f506b2
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parents:
diff
changeset
|
493 |
945cf7f506b2
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parents:
diff
changeset
|
494 ;------------------------------------- |
945cf7f506b2
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parents:
diff
changeset
|
495 ; |
945cf7f506b2
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parents:
diff
changeset
|
496 ; Fourth while |
945cf7f506b2
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parents:
diff
changeset
|
497 ; |
945cf7f506b2
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parents:
diff
changeset
|
498 ; current_dst_dy - end_dst_dy != 0 |
945cf7f506b2
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parents:
diff
changeset
|
499 end_dst_loop_b: TEQ current_dst_dy,#0 |
945cf7f506b2
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parents:
diff
changeset
|
500 BEQ end_end_dst_loop_b |
945cf7f506b2
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parents:
diff
changeset
|
501 |
945cf7f506b2
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parents:
diff
changeset
|
502 write_shift_pixel_down b_down2 |
945cf7f506b2
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parents:
diff
changeset
|
503 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
504 _r2d_end_b_down2: ADD current_dst_dy,current_dst_dy,#1 |
945cf7f506b2
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parents:
diff
changeset
|
505 ADD y,y,#1 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
506 B end_dst_loop_b |
945cf7f506b2
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parents:
diff
changeset
|
507 end_end_dst_loop_b: |
945cf7f506b2
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parents:
diff
changeset
|
508 MOV temp,#0 |
945cf7f506b2
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parents:
diff
changeset
|
509 CMP dstcounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD) |
945cf7f506b2
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parents:
diff
changeset
|
510 MOVEQ temp,#1 |
945cf7f506b2
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parents:
diff
changeset
|
511 |
945cf7f506b2
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parents:
diff
changeset
|
512 ;------------------------------------- |
945cf7f506b2
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parents:
diff
changeset
|
513 ; |
945cf7f506b2
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parents:
diff
changeset
|
514 ; Last while |
945cf7f506b2
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parents:
diff
changeset
|
515 ; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
516 ; dstcounter != (1<<R2D_PIXELS_PER_MEMORY_WORD) |
945cf7f506b2
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parents:
diff
changeset
|
517 dst_counter_loop_b: CMP dstcounter,#(1<<R2D_PIXELS_PER_MEMORY_WORD) |
945cf7f506b2
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parents:
diff
changeset
|
518 BEQ end_dst_counter_loop_b |
945cf7f506b2
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parents:
diff
changeset
|
519 shift_pixel_down dstvalue,dst,downc |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
520 _r2d_end_downc: ADD y,y,#1 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
521 B dst_counter_loop_b |
945cf7f506b2
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parents:
diff
changeset
|
522 end_dst_counter_loop_b: |
945cf7f506b2
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parents:
diff
changeset
|
523 CMP temp,#0 |
945cf7f506b2
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parents:
diff
changeset
|
524 STREQ dstvalue,[p_dst_current,#-4]! |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
525 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
526 CMP temp,#0 |
945cf7f506b2
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parents:
diff
changeset
|
527 STRNE dstvalue,[p_dst_current] |
945cf7f506b2
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parents:
diff
changeset
|
528 _r2d_endb: |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
529 LDMFD SP!, {R4,R5,R6,R7,R8,R9,R10,R11,R12,LR} |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
530 MOV PC,LR |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
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531 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
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532 .endif |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
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533 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
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534 .end |