62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
#include "zx_128pageviewer.h"
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#include "z80.h"
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#include "zx_mem.h"
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void zx_128pageviewer::show()
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{
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if (!win)
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{
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win = SDL_CreateWindow("ZX128 Page Viewer", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 1024, 128, SDL_WINDOW_SHOWN);
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ren = SDL_CreateRenderer(win, -1, 0);
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tex = SDL_CreateTexture(ren, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, 1024, 128);
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//ui::window::registerWindow(SDL_GetWindowID(win), handleEvent);
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}
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refresh();
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}
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void zx_128pageviewer::refresh()
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{
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if (!win) return;
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Uint32 *pixels;
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int pitch;
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const uint8_t *tags = mem::rawTagPtr(0);
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SDL_LockTexture(tex, NULL, (void**)&pixels, &pitch);
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for (int i=0; i<131072; ++i)
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{
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const int x = (i&0x7f) + (((i>>14)&0x07)*128);
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const int y = (i>>7)&0x7f;
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uint32_t none_color = 0x808080; //i<0x4000 ? 0x101010 : i<0x5800 ? 0x202020 : i<0x5b00 ? 0x404040 : 0x808080;
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uint8_t tag = tags[i];
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pixels[x+y*1024] = !(tag & MEMTAG_TOUCHED) ? none_color : (tag & MEMTAG_TINST) ? 0x00FF00 : (tag & MEMTAG_TREPEAT) ? 0xFF0000 : 0x0000FF;
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}
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//pixels[z80::getPC()] = 0xFFFFFF;
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SDL_UnlockTexture(tex);
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SDL_RenderCopy(ren, tex, NULL, NULL);
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SDL_RenderPresent(ren);
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}
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void zx_128pageviewer::hide()
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{
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//ui::window::unregisterWindow(SDL_GetWindowID(win));
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SDL_DestroyTexture(tex); tex = nullptr;
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SDL_DestroyRenderer(ren); ren = nullptr;
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SDL_DestroyWindow(win); win = nullptr;
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}
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void zx_128pageviewer::focus()
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{
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if (win) {
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SDL_RaiseWindow(win);
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refresh();
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}
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}
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bool zx_128pageviewer::handleEvent(SDL_Event *e)
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{
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return true;
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}
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