mirror of https://github.com/nmlgc/ReC98.git
63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
/* 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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#pragma option -zCmain_13_TEXT -2 -O- -Z-
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extern "C" {
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#include <stdlib.h>
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#include "platform.h"
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#include "pc98.h"
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#include "planar.h"
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#include "master.hpp"
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#include "th01/math/wave.hpp"
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#include "th01/hardware/egc.h"
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#include "th01/hardware/graph.h"
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#include "th01/hardware/planar.h"
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#include "th01/hardware/grp2xscs.cpp"
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void egc_wave_unput(
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screen_x_t left,
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vram_y_t top,
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int len,
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pixel_t amp,
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int ph,
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pixel_t w,
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pixel_t h
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)
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{
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int t = ph;
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for(pixel_t y = 0; y < h; y++) {
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screen_x_t x = (wave_x(amp, t) + left);
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t += (0x100 / len);
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egc_copy_rect_1_to_0_16(x, top + y, w, 1);
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}
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}
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void graph_hline_unput_masked_8(
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screen_x_t left, vram_y_t top, dots8_t *mask, vram_byte_amount_t vram_w
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)
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{
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Planar<dots8_t> px8;
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register vram_offset_t p = vram_offset_shift(left, top);
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for(vram_byte_amount_t x = 0; x < vram_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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vram_erase(p, mask[x], 8);
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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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