zeta86 1.0.3 actual

web/res/README.md

@@ -39,6 +39,7 @@ The entrypoint is "ZetaLoad(options, callback);". The callback is optional, and
     * charset: the character set (8x14 only!) to initially load, as one of:
         * string - filename of a Zeta-supported format,
         * array - of bytes as would be contained in such a .chr file.
+    * lock_charset: if true and a custom charset is provided, the charset cannot be changed by the emulated engine,
     * palette: the palette, to initially load, as one of:
         * string - filename of a Zeta-supported format,
         * object, with the following fields:
@@ -47,6 +48,7 @@ The entrypoint is "ZetaLoad(options, callback);". The callback is optional, and
             * colors - an array of sixteen colors, either:
                 * 3-component arrays of range min - max (inclusive),
                 * "#012345" or "#012"-format strings.
+    * lock_palette: if true and a custom palette is provided, the palette cannot be changed by the emulated engine,
     * memory_limit: the memory limit, in kilobytes (64-640)
     * extended_memory_limit: the extended (EMS) memory limit, in kilobytes
 * render:

web/src/emulator.js

@@ -508,11 +508,15 @@ export function createEmulator(render, audio, vfs, options) {
                 if (options.engine.charset) {
                     if (!emuObj.loadCharset(options.engine.charset)) {
                         console.error("Could not load charset from options!");
+                    } else {
+                        emu._zzt_set_lock_charset(options.engine.lock_charset);
                     }
                 }
                 if (options.engine.palette) {
                     if (!emuObj.loadPalette(options.engine.palette)) {
                         console.error("Could not load palette from options!");
+                    } else {
+                        emu._zzt_set_lock_palette(options.engine.lock_palette);
                     }
                 }
             }