89 lines
3.2 KiB
TypeScript
89 lines
3.2 KiB
TypeScript
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import { VIC20_WASMMachine } from "../machine/vic20";
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import { Platform, Base6502MachinePlatform, getToolForFilename_6502, getOpcodeMetadata_6502 } from "../common/baseplatform";
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import { PLATFORMS } from "../common/emu";
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import { BaseMAME6502Platform } from "../common/mameplatform";
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const VIC20_PRESETS = [
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{id:'hello.dasm', name:'Hello World (ASM)'},
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{id:'hellocart.dasm', name:'Hello Cartridge (ASM)'},
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{id:'siegegame.c', name:'Siege Game (C)'},
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];
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const VIC20_MEMORY_MAP = { main:[
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{name:'RAM', start:0x0000,size:0x0400,type:'ram'},
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{name:'RAM', start:0x1000,size:0x1000,type:'ram'},
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{name:'BLK1 Cart ROM',start:0x2000,size:0x2000,type:'rom'},
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{name:'BLK2 Cart ROM',start:0x4000,size:0x2000,type:'rom'},
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{name:'BLK3 Cart ROM',start:0x6000,size:0x2000,type:'rom'},
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{name:'Character ROM',start:0x8000,size:0x1000,type:'rom'},
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{name:'I/O 1', start:0x9000,size:0x0400,type:'io'},
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{name:'Color RAM', start:0x9400,size:0x0400,type:'io'},
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{name:'I/O 2', start:0x9800,size:0x0400,type:'io'},
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{name:'I/O 3', start:0x9c00,size:0x0400,type:'io'},
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{name:'BLK5 Autostart',start:0xa000,size:0x2000,type:'rom'},
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{name:'BASIC ROM', start:0xc000,size:0x2000,type:'rom'},
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{name:'KERNAL ROM', start:0xe000,size:0x2000,type:'rom'},
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] }
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// WASM VIC20 platform
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class VIC20WASMPlatform extends Base6502MachinePlatform<VIC20_WASMMachine> implements Platform {
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newMachine() { return new VIC20_WASMMachine('vic20'); }
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getPresets() { return VIC20_PRESETS; }
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getDefaultExtension() { return ".c"; };
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readAddress(a) { return this.machine.readConst(a); }
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getMemoryMap() { return VIC20_MEMORY_MAP; }
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showHelp() {
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window.open("https://8bitworkshop.com/docs/platforms/vic20/", "_help");
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}
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getROMExtension(rom:Uint8Array) {
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/*
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if (rom && rom[0] == 0x00 && rom[1] == 0x80 && rom[2+4] == 0xc3 && rom[2+5] == 0xc2) return ".crt";
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*/
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if (rom && rom[0] == 0x01 && rom[1] == 0x08) return ".prg";
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else return ".bin";
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}
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}
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// VIC20 MAME platform (TODO)
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abstract class VIC20MAMEPlatform extends BaseMAME6502Platform {
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getPresets() { return VIC20_PRESETS; }
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getToolForFilename = getToolForFilename_6502;
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getOpcodeMetadata = getOpcodeMetadata_6502;
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getDefaultExtension() { return ".c"; }
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loadROM(title, data) {
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if (!this.started) {
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this.startModule(this.mainElement, {
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jsfile:'mame8bitpc.js',
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biosfile:'vic20.zip',
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cfgfile:'vic20.cfg',
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driver:'vic20',
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width:418,
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height:235,
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romfn:'/emulator/image.crt',
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romdata:new Uint8Array(data),
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romsize:0x10000,
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extraargs: ['-autoboot_delay','5','-autoboot_command','load "$",8,1\n'],
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preInit:function(_self) {
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},
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});
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} else {
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this.loadROMFile(data);
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this.loadRegion(":quickload", data);
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var result = this.luacall(`image:load("/emulator/image.prg")`)
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console.log('load rom', result);
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//this.loadRegion(":exp:standard", data);
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}
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}
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start() {
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}
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getMemoryMap() { return VIC20_MEMORY_MAP; }
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}
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PLATFORMS['vic20'] = VIC20WASMPlatform;
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PLATFORMS['vic20.wasm'] = VIC20WASMPlatform;
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PLATFORMS['vic20.mame'] = VIC20MAMEPlatform;
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