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8 lines
24 KiB
Plaintext
8 lines
24 KiB
Plaintext
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{
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"version": 3,
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"sources": ["../src/platform/williams.ts"],
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"sourcesContent": ["\nimport { Platform, BaseZ80Platform, Base6809Platform } from \"../common/baseplatform\";\nimport { PLATFORMS, RAM, newAddressDecoder, padBytes, noise, setKeyboardFromMap, AnimationTimer, RasterVideo, Keys, makeKeycodeMap } from \"../common/emu\";\nimport { hex } from \"../common/util\";\nimport { MasterAudio, WorkerSoundChannel } from \"../common/audio\";\n\nvar WILLIAMS_PRESETS = [\n { id: 'gfxtest.c', name: 'Graphics Test' },\n { id: 'sprites.c', name: 'Sprite Test' },\n { id: 'game1.c', name: 'Raster Paranoia Game' },\n { id: 'bitmap_rle.c', name: 'RLE Bitmap' },\n];\n\nvar WilliamsPlatform = function(mainElement, proto, options) {\n var self = this;\n this.__proto__ = new (proto ? proto : Base6809Platform)();\n\n options = options || {};\n var isDefender = options.isDefender;\n var SCREEN_HEIGHT = 304;\n var SCREEN_WIDTH = 256;\n\n var cpu, ram, rom, nvram;\n var portsel = 0;\n var banksel = 0;\n var watchdog_counter;\n var watchdog_enabled = false;\n var pia6821 = new RAM(8).mem;\n var blitregs = new RAM(8).mem;\n\n var video, timer, pixels, displayPCs;\n var screenNeedsRefresh = false;\n var membus;\n var video_counter;\n\n var audio, worker, workerchannel;\n\n var xtal = 12000000;\n var cpuFrequency = xtal / 3 / 4;\n var cpuCyclesPerFrame = cpuFrequency / 60; // TODO\n var cpuScale = 1;\n var INITIAL_WATCHDOG = 8;\n var PIXEL_ON = 0xffeeeeee;\n var PIXEL_OFF = 0xff000000;\n\n var DEFENDER_KEYCODE_MAP = makeKeycodeMap([\n [Keys.A, 4, 0x1],\n [Keys.RIGHT, 4, 0x2],\n [Keys.B, 4, 0x4],\n [Keys.VK_X, 4, 0x8],\n [Keys.P2_START, 4, 0x10],\n [Keys.START, 4, 0x20],\n [Keys.LEFT, 4, 0x40],\n [Keys.DOWN, 4, 0x80],\n [Keys.UP, 6, 0x1],\n [Keys.SELECT, 0, 0x4],\n [Keys.VK_7, 0, 0x1],\n [Keys.VK_8, 0, 0x2],\n [Keys.VK_9, 0, 0x8],\n ]);\n\n var ROBOTRON_KEYCODE_MAP = makeKeycodeMap([\n [Keys.P2_UP, 0, 0x1],\n [Keys.P2_DOWN, 0, 0x2],\n [Keys.P2_LEFT, 0, 0x4],\n [Keys.P2_RIGHT, 0, 0x8],\n [Keys.START, 0, 0x10],\n [Keys.P2_START, 0, 0x20],\n [Keys.UP, 0, 0x40],\n [Keys.DOWN, 0, 0x80],\n [Keys.LEFT, 2, 0x1],\n [Keys.RIGHT, 2, 0x2],\n [Keys.VK_7, 4, 0x1],\n [Keys.VK_8, 4, 0x2],\n [Keys.VK_6, 4, 0x4],\n [Keys.VK_9, 4, 0x8],\n [Keys.SELECT, 4, 0x10],\n ]);\n\n var KEYCODE_MAP = isDefender ? DEFENDER_KEYCODE_MAP : ROBOTRON_KEYCODE_MAP;\n\n // TODO: sound board handshake\n\n var palette = [];\n for (var ii = 0; ii < 16; ii++)\n palette[ii] = 0xff000000;\n\n this.getPresets = function() {\n return WILLIAMS_PRESETS;\n }\n\n // Defender\n\n var ioread_defender = newAddressDecoder([\n [0x400, 0x5ff, 0x1ff, function(a) { return nvram.mem[a]; }],\n [0x800, 0x800, 0, function(a) { return video_counter; }],\n [0xc00, 0xc07, 0x7, function(a) { return pia6821[a]; }],\n [0x0, 0xfff, 0, function(a) { /*console.log('ioread',hex(a));*/ }],\n ]);\n\n var iowrite_defender = newAddressDecoder([\n [0x0, 0xf, 0xf, setPalette],\n [0x3fc, 0x3ff, 0, function(a, v) { if (v == 0x38) watchdog_counter = INITIAL_WATCHDOG; watchdog_enabled=true; }],\n [0x400, 0x5ff, 0x1ff, function(a, v) { nvram.mem[a] = v; }],\n [0xc02, 0xc02, 0x1, function(a, v) { if (worker) worker.postMessage({ command: v & 0x3f }); }],\n [0xc00, 0xc07, 0x7, function(a, v) { pia6821[a] = v; }],\n [0x0, 0xfff, 0, function(a, v) { console.log('iowrite', hex(a), hex(v)); }],\n ]);\n\n var memread_defender = newAddressDecoder([\n [0x0000, 0xbfff, 0xffff, function(a) { return ram.mem[a]; }],\n [0xc000, 0xcfff, 0x0fff, function(a) {\n switch (banksel) {\n case 0: return ioread_defender(a);\n case 1: return rom[a + 0x3000];\n case 2: return rom[a + 0x4000];\n case 3: return rom[a + 0x5000];\n case 7: return rom[a + 0x6000];\n default: return 0; // TODO: error light\n }\n }],\n [0xd000, 0xffff, 0xffff, function(a) { return rom ? rom[a - 0xd000] : 0; }],\n ]);\n\n var memwrite_defender = newAddressDecoder([\n [0x0000, 0x97ff, 0, write_display_byte],\
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"names": []
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}
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