mirror of https://github.com/bsnes-emu/bsnes.git
99 lines
2.9 KiB
C++
Executable File
99 lines
2.9 KiB
C++
Executable File
#ifdef SYSTEM_CPP
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Video video;
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const uint8_t Video::cursor[15 * 15] = {
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0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,
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0,0,0,0,1,1,2,2,2,1,1,0,0,0,0,
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0,0,0,1,2,2,1,2,1,2,2,1,0,0,0,
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0,0,1,2,1,1,0,1,0,1,1,2,1,0,0,
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0,1,2,1,0,0,0,1,0,0,0,1,2,1,0,
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0,1,2,1,0,0,1,2,1,0,0,1,2,1,0,
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1,2,1,0,0,1,1,2,1,1,0,0,1,2,1,
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1,2,2,1,1,2,2,2,2,2,1,1,2,2,1,
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1,2,1,0,0,1,1,2,1,1,0,0,1,2,1,
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0,1,2,1,0,0,1,2,1,0,0,1,2,1,0,
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0,1,2,1,0,0,0,1,0,0,0,1,2,1,0,
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0,0,1,2,1,1,0,1,0,1,1,2,1,0,0,
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0,0,0,1,2,2,1,2,1,2,2,1,0,0,0,
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0,0,0,0,1,1,2,2,2,1,1,0,0,0,0,
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0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,
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};
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void Video::draw_cursor(uint16_t color, int x, int y) {
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for(int cy = 0; cy < 15; cy++) {
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int vy = y + cy - 7;
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if(vy <= 0 || vy >= 240) continue; //do not draw offscreen
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bool hires = (line_width[vy] == 512);
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for(int cx = 0; cx < 15; cx++) {
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int vx = x + cx - 7;
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if(vx < 0 || vx >= 256) continue; //do not draw offscreen
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uint8_t pixel = cursor[cy * 15 + cx];
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if(pixel == 0) continue;
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uint16_t pixelcolor = (pixel == 1) ? 0 : color;
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if(hires == false) {
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*((uint16_t*)ppu.output + vy * 1024 + 0 + vx) = pixelcolor;
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*((uint16_t*)ppu.output + vy * 1024 + 512 + vx) = pixelcolor;
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} else {
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*((uint16_t*)ppu.output + vy * 1024 + 0 + vx * 2 + 0) = pixelcolor;
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*((uint16_t*)ppu.output + vy * 1024 + 512 + vx * 2 + 0) = pixelcolor;
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*((uint16_t*)ppu.output + vy * 1024 + 0 + vx * 2 + 1) = pixelcolor;
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*((uint16_t*)ppu.output + vy * 1024 + 512 + vx * 2 + 1) = pixelcolor;
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}
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}
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}
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}
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void Video::update() {
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switch(input.port[1].device) {
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case Input::Device::SuperScope: draw_cursor(0x001f, input.port[1].superscope.x, input.port[1].superscope.y); break;
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case Input::Device::Justifiers: draw_cursor(0x02e0, input.port[1].justifier.x2, input.port[1].justifier.y2); //fallthrough
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case Input::Device::Justifier: draw_cursor(0x001f, input.port[1].justifier.x1, input.port[1].justifier.y1); break;
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}
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uint16_t *data = (uint16_t*)ppu.output;
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unsigned width = 256;
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unsigned height = !ppu.overscan() ? 224 : 239;
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if(frame_hires) {
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width <<= 1;
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//normalize line widths
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for(unsigned y = 0; y < 240; y++) {
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if(line_width[y] == 512) continue;
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uint16_t *buffer = data + y * 1024;
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for(signed x = 255; x >= 0; x--) {
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buffer[(x * 2) + 0] = buffer[(x * 2) + 1] = buffer[x];
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}
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}
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}
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if(frame_interlace) {
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height <<= 1;
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}
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system.interface->video_refresh(data + 1024, width, height);
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frame_hires = false;
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frame_interlace = false;
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}
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void Video::scanline() {
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unsigned y = cpu.vcounter();
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if(y >= 240) return;
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frame_hires |= ppu.hires();
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frame_interlace |= ppu.interlace();
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unsigned width = (ppu.hires() == false ? 256 : 512);
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line_width[y] = width;
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}
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void Video::init() {
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frame_hires = false;
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frame_interlace = false;
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for(unsigned i = 0; i < 240; i++) line_width[i] = 256;
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}
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#endif
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