mirror of https://github.com/nmlgc/ReC98.git
44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
/* ReC98
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* -----
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* 1st part of code segment #2 of TH02's OP.EXE
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*/
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#include "th02/th02.h"
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#pragma codeseg op_02_TEXT
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#pragma option -3
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#include "th02/exit_dos.c"
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#include "th02/zunerror.c"
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#include "th02/hardware/grppsafx.c"
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#include "th01/hardware/vplanset.c"
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#include "th02/formats/pi_load.c"
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void pascal graph_copy_rect_1_to_0(int x, int y, int w, int h)
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{
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int row_p = VRAM_OFFSET(x, y);
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int row;
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for(row = 0; row < h; row++) {
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int col;
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int p;
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for(col = 0, p = row_p; col < (w >> 4); col++, p += 2) {
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if(row_p >= 0) {
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vram_planar_16_pixels_t p16;
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graph_accesspage(1);
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p16.B = *(int*)(VRAM_PLANE_B + p);
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p16.R = *(int*)(VRAM_PLANE_R + p);
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p16.G = *(int*)(VRAM_PLANE_G + p);
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p16.E = *(int*)(VRAM_PLANE_E + p);
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graph_accesspage(0);
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*(int*)(VRAM_PLANE_B + p) = p16.B;
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*(int*)(VRAM_PLANE_R + p) = p16.R;
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*(int*)(VRAM_PLANE_G + p) = p16.G;
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*(int*)(VRAM_PLANE_E + p) = p16.E;
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}
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}
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row_p += ROW_SIZE;
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}
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}
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#include "th02/hardware/frmdely2.c"
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