- the big mergecheit

2025-07-21 19:21:18 +02:00
parent 300f95803e
commit 13354b855d
17 changed files with 273 additions and 19 deletions
--- a/zx_128pageviewer.cpp
+++ b/zx_128pageviewer.cpp
@@ -0,0 +1,61 @@
+#include "zx_128pageviewer.h"
+#include "z80.h"
+#include "z80mem.h"
+
+void zx_128pageviewer::show()
+{
+    if (!win)
+    {
+        win = SDL_CreateWindow("ZX128 Page Viewer", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 1024, 128, SDL_WINDOW_SHOWN);
+        ren = SDL_CreateRenderer(win, -1, 0);
+        tex = SDL_CreateTexture(ren, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, 1024, 128);
+
+        //ui::window::registerWindow(SDL_GetWindowID(win), handleEvent);
+    }
+    refresh();
+}
+
+
+void zx_128pageviewer::refresh()
+{
+        if (!win) return;
+
+        Uint32 *pixels;
+        int pitch;
+        const uint8_t *tags = z80mem::get()->rawTagPtr(0);
+        SDL_LockTexture(tex, NULL, (void**)&pixels, &pitch);
+        for (int i=0; i<131072; ++i)
+        {
+            const int x = (i&0x7f) + (((i>>14)&0x07)*128);
+            const int y = (i>>7)&0x7f;
+            uint32_t none_color = 0x808080; //i<0x4000 ? 0x101010 : i<0x5800 ? 0x202020 : i<0x5b00 ? 0x404040 : 0x808080;
+            uint8_t tag = tags[i];
+            pixels[x+y*1024] = !(tag & MEMTAG_TOUCHED) ? none_color : (tag & MEMTAG_TINST) ? 0x00FF00 : (tag & MEMTAG_TREPEAT) ? 0xFF0000 : 0x0000FF;
+        }
+        //pixels[z80::getPC()] = 0xFFFFFF;
+
+        SDL_UnlockTexture(tex);
+        SDL_RenderCopy(ren, tex, NULL, NULL);
+        SDL_RenderPresent(ren);
+}
+
+void zx_128pageviewer::hide()
+{
+    //ui::window::unregisterWindow(SDL_GetWindowID(win));
+    SDL_DestroyTexture(tex); tex = nullptr;
+    SDL_DestroyRenderer(ren); ren = nullptr;
+    SDL_DestroyWindow(win); win = nullptr;
+}
+
+void zx_128pageviewer::focus()
+{
+    if (win) {
+        SDL_RaiseWindow(win);
+        refresh();
+    }
+}
+
+bool zx_128pageviewer::handleEvent(SDL_Event *e)
+{
+    return true;
+}