{
  "version": 3,
  "sources": ["../src/machine/zx.ts", "../src/platform/zx.ts"],
  "sourcesContent": ["\nimport { MOS6502, MOS6502State } from \"../common/cpu/MOS6502\";\nimport { BasicMachine, RasterFrameBased, Bus, ProbeAll } from \"../common/devices\";\nimport { KeyFlags, newAddressDecoder, padBytes, Keys, makeKeycodeMap, newKeyboardHandler, EmuHalt, dumpRAM } from \"../common/emu\";\nimport { lzgmini, stringToByteArray, hex, rgb2bgr } from \"../common/util\";\n\n//// WASM Machine\n\nimport { Machine } from \"../common/baseplatform\";\nimport { TrapCondition } from \"../common/devices\";\nimport { BaseWASMMachine } from \"../common/wasmplatform\";\n\nexport class ZX_WASMMachine extends BaseWASMMachine implements Machine {\n\n  numTotalScanlines = 312;\n  cpuCyclesPerLine = 224;\n\n  joymask0 = 0;\n\n  reset() {\n    super.reset();\n    // advance bios\n    this.exports.machine_exec(this.sys, 2000000);\n    // load rom (Z80 header: https://worldofspectrum.org/faq/reference/z80format.htm)\n    if (this.romptr && this.romlen) {\n      // TODO\n      this.exports.machine_load_rom(this.sys, this.romptr, this.romlen);\n      /*\n      var romstart = 0x5ccb;\n      for (var i=0; i<this.romlen; i++) {\n        this.exports.machine_mem_write(this.sys, romstart+i, this.romarr[i]);\n      }\n      */\n    }\n    // clear keyboard\n    for (var ch=0; ch<128; ch++) {\n      this.setKeyInput(ch, 0, KeyFlags.KeyUp);\n    }\n  }\n  advanceFrame(trap: TrapCondition) : number {\n    //var scanline = this.exports.machine_get_raster_line(this.sys);\n    var probing = this.probe != null;\n    if (probing) this.exports.machine_reset_probe_buffer();\n    var clocks = super.advanceFrameClock(trap, Math.floor(3500000 / 50));\n    if (probing) this.copyProbeData();\n    return clocks;\n  }\n  /*\n    z80_tick_t tick_cb; // 0\n    uint64_t bc_de_hl_fa; // 8\n    uint64_t bc_de_hl_fa_; // 16\n    uint64_t wz_ix_iy_sp; // 24\n    uint64_t im_ir_pc_bits; // 32\n    uint64_t pins;          // 48\n    void* user_data;\n    z80_trap_t trap_cb;\n    void* trap_user_data;\n    int trap_id;           \n  */\n  getCPUState() {\n    this.exports.machine_save_cpu_state(this.sys, this.cpustateptr);\n    var s = this.cpustatearr;\n    var af = s[9] + (s[8]<<8); // not FA\n    var hl = s[10] + (s[11]<<8);\n    var de = s[12] + (s[13]<<8);\n    var bc = s[14] + (s[15]<<8);\n    var sp = s[24] + (s[25]<<8);\n    var iy = s[26] + (s[27]<<8);\n    var ix = s[28] + (s[29]<<8);\n    var pc = s[34] + (s[35]<<8);\n    var ir = s[36] + (s[37]<<8);\n    return {\n      PC:pc,\n      SP:sp,\n      AF:af,\n      BC:bc,\n      DE:de,\n      HL:hl,\n      IX:ix,\n      IY:iy,\n      IR:ir,\n      o:this.readConst(pc),\n    }\n  }\n  saveState() {\n    this.exports.machine_save_state(this.sys, this.stateptr);\n    return {\n      c:this.getCPUState(),\n      state:this.statearr.slice(0),\n    };\n  }\n  loadState(state) : void {\n    this.statearr.set(state.state);\n    this.exports.machine_load_state(this.sys, this.stateptr);\n  }\n  getVideoParams() {\n   return {width:320, height:256, overscan:true, videoFrequency:50};\n  }\n  setKeyInput(key: number, code: number, flags: number): void {\n    // TODO: handle shifted keys\n    if (key == 16 || key == 17 || key == 18 || key == 224) return; // meta keys\n    //console.log(key, code, flags);\n    //if (flags & KeyFlags.Shift) { key += 64; }\n    // convert to c64 (TODO: zx)\n    var mask = 0;\n    var mask2 = 0;\n    if (key == 37) { key = 0x8; mask = 0x4; } // LEFT\n    if (key == 38) { key = 0xb; mask = 0x1; } // UP\n    if (key == 39) { key = 0x9; mask = 0x8; } // RIGHT\n    if (key == 40) { key = 0xa; mask = 0x2; } // DOWN\n    if (key == 32) { mask = 0x10; } // FIRE\n    if (key == 65) { key = 65; mask2 = 0x4; } // LEFT\n    if (key == 87) { key = 87; mask2 = 0x1; } // UP\n    if (key == 68) { key = 68; mask2 = 0x8; } // RIGHT\n    if (key == 83) { key = 83; mask2 = 0x2; } // DOWN\n    if (key == 69) { mask2 = 0x10; } // FIRE\n    if (key == 113) { key = 0xf1; } // F2\n    if (key == 115) { key = 0xf3; } // F4\n    if (key == 119) { key = 0xf5; } // F8\n    if (key == 121) { key = 0xf7; } // F10\n    if (flags & KeyFlags.KeyDown) {\n      this.exports.machine_key_down(this.sys, key);\n      this.joymask0 |= mask;\n    } else if (flags & KeyFlags.KeyUp) {\n      this.exports.machine_key_up(this.sys, key);\n      this.joymask0 &= ~mask;\n    }\n    this.exports.zx_joystick(this.sys, this.joymask0, 0);\n  }\n}\n", "\nimport { ZX_WASMMachine } from \"../machine/zx\";\nimport { Platform, BaseZ80MachinePlatform } from \"../common/baseplatform\";\nimport { PLATFORMS } from \"../common/emu\";\n\nconst ZX_PRESETS = [\n  {id:'hello.asm', name:'Hello World (ASM)'},\n  {id:'bios.c', name:'BIOS Routines (C)'},\n  {id:'cosmic.c', name:'Cosmic Impalas (C)'},\n];\n\nconst ZX_MEMORY_MAP = { main:[\n  {name:'BIOS', start:0x0000, size:0x4000, type:'rom'},\n  {name:'Screen RAM', start:0x4000, size:0x1800, type:'ram'},\n  {name:'Color RAM', start:0x5800, size:0x300, type:'ram'},\n  //{name:'Printer Buffer', start:0x5b00, size:0x100, type:'ram'},\n  {name:'System RAM', start:0x5c00, size:0xc0, type:'ram'},\n  {name:'User RAM', start:0x5ccb, size:0xff58-0x5ccb, type:'ram'},\n] }\n\n// WASM ZX Spectrum platform\nclass ZXWASMPlatform extends BaseZ80MachinePlatform<ZX_WASMMachine> implements Platform {\n\n  newMachine()          { return new ZX_WASMMachine('zx'); }\n\n  getPresets()          { return ZX_PRESETS; }\n  getDefaultExtension() { return \".asm\"; };\n  readAddress(a)        { return this.machine.readConst(a); }\n  getMemoryMap()        { return ZX_MEMORY_MAP; }\n  showHelp() {\n    return \"https://worldofspectrum.org/faq/reference/reference.htm\"; // TODO\n  }\n}\n\nPLATFORMS['zx'] = ZXWASMPlatform;\n"],
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