mirror of https://github.com/nmlgc/ReC98.git
49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
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/* ReC98
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* -----
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* 2nd part of code segment #13 of TH01's REIIDEN.EXE
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*/
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extern "C" {
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#include "th01/th01.h"
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#pragma option -2
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#pragma option -O-
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#pragma option -Z-
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#include "th01/hardware/grp2xscs.c"
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void egc_wave_unput(int left, int top, int len, int amp, int ph, int w, int h)
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{
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int t = ph;
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for(int y = 0; y < h; y++) {
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int x = (((long)amp * Sin8(t)) / 256) + left;
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t += 256 / len;
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egc_copy_rect_1_to_0(x, top + y, w, 1);
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}
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}
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void graph_hline_unput_masked(int left, int top, dots8_t *mask, int w)
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{
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planar8_t px8;
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register uint16_t p = vram_offset_shift(left, top);
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for(int x = 0; x < w; x++, p++) {
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if(mask[x]) {
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graph_accesspage_func(1);
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px8.B = mask[x] & VRAM_PLANE_B[p];
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px8.R = mask[x] & VRAM_PLANE_R[p];
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px8.G = mask[x] & VRAM_PLANE_G[p];
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px8.E = mask[x] & VRAM_PLANE_E[p];
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graph_accesspage_func(0);
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grcg_setcolor_rmw(0);
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VRAM_PLANE_B[p] = mask[x];
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grcg_off();
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VRAM_PLANE_B[p] |= px8.B;
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VRAM_PLANE_R[p] |= px8.R;
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VRAM_PLANE_G[p] |= px8.G;
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VRAM_PLANE_E[p] |= px8.E;
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}
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}
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}
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}
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