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8 lines
32 KiB
Plaintext
8 lines
32 KiB
Plaintext
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{
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"version": 3,
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"sources": ["../src/platform/vector.ts"],
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"sourcesContent": ["\nimport { Platform, BaseZ80Platform, Base6502Platform } from \"../common/baseplatform\";\nimport { PLATFORMS, RAM, newAddressDecoder, padBytes, noise, setKeyboardFromMap, AnimationTimer, VectorVideo, Keys, makeKeycodeMap } from \"../common/emu\";\nimport { hex } from \"../common/util\";\nimport { MasterAudio, POKEYDeviceChannel, newPOKEYAudio } from \"../common/audio\";\n\n// http://www.computerarcheology.com/Arcade/Asteroids/DVG.html\n// http://arcarc.xmission.com/Tech/neilw_xy.txt\n\nvar VECTOR_PRESETS = [\n {id:'font.c', name:'Vector Fonts'},\n {id:'threed.c', name:'3D Transformations'},\n {id:'game.c', name:'Space Game'},\n {id:'music.c', name:'POKEY Music'},\n]\n\nvar ASTEROIDS_KEYCODE_MAP = makeKeycodeMap([\n [Keys.B, 3, 0xff],\n [Keys.A, 4, 0xff],\n [Keys.SELECT, 8, 0xff],\n [Keys.VK_6, 9, 0xff],\n [Keys.VK_7, 10, 0xff],\n [Keys.START, 11, 0xff],\n [Keys.P2_START, 12, 0xff],\n [Keys.UP, 13, 0xff],\n [Keys.RIGHT, 14, 0xff],\n [Keys.LEFT, 15, 0xff],\n]);\n\nvar GRAVITAR_KEYCODE_MAP = makeKeycodeMap([\n [Keys.B, 1, -0x1],\n [Keys.A, 1, -0x2],\n [Keys.VK_5, 0, 0x2],\n [Keys.VK_6, 0, 0x1],\n [Keys.START, 2, 0x20],\n [Keys.P2_START, 2, 0x40],\n [Keys.UP, 1, -0x10],\n [Keys.DOWN, 1, -0x20],\n [Keys.RIGHT, 1, -0x4],\n [Keys.LEFT, 1, -0x8],\n]);\n\nvar AtariVectorPlatform = function(mainElement) {\n var XTAL = 12096000;\n var cpuFrequency = XTAL/8;\n var cpuCyclesPer3khz = Math.round(cpuFrequency/(XTAL/4096)); // ~3 Khz\n var cpuCyclesPerNMI = Math.round(cpuFrequency*12/(XTAL/4096)); // ~250 Hz\n var cpuCyclesPerFrame = Math.round(cpuFrequency/60);\n var cpu, cpuram, dvgram, rom, vecrom, bus, dvg;\n var video, audio, timer;\n var clock;\n var watchdog = 0;\n var switches = new RAM(16).mem;\n var nmicount = cpuCyclesPerNMI;\n\n this.__proto__ = new (Base6502Platform as any)();\n\n this.showHelp = function() {\n return \"https://8bitworkshop.com/docs/platforms/arcade/index.html#vector-games\"\n }\n\n this.getPresets = function() {\n return VECTOR_PRESETS;\n }\n\n this.start = function() {\n cpuram = new RAM(0x400);\n dvgram = new RAM(0x2000);\n //switches[5] = 0xff;\n //switches[7] = 0xff;\n // bus\n bus = {\n\n read: newAddressDecoder([\n [0x0, 0x3ff, 0x3ff, function(a) { return cpuram.mem[a]; }],\n [0x2001, 0x2001, 0, function(a) { return ((clock / cpuCyclesPer3khz) & 1) ? 0xff : 0x00; }],\n [0x2000, 0x2007, 0x7, function(a) { return switches[a]; }],\n [0x2400, 0x2407, 0x7, function(a) { return switches[a+8]; }],\n [0x4000, 0x4fff, 0xfff, function(a) { return dvgram.mem[a]; }],\n [0x5000, 0x5fff, 0xfff, function(a) { return vecrom[a]; }],\n [0x6800, 0x7fff, 0, function(a) { return rom ? rom[a - 0x6800] : 0; }],\n ], {gmask:0x7fff}),\n\n write: newAddressDecoder([\n [0x0, 0x3ff, 0x3ff, function(a,v) { cpuram.mem[a] = v; }],\n [0x3000, 0x3000, 0, function(a,v) { dvg.runUntilHalt(0); }],\n [0x3400, 0x3400, 0, function(a,v) { watchdog = 0; }],\n // TODO: draw asynchronous or allow poll of HALT ($2002)\n [0x4000, 0x5fff, 0x1fff, function(a,v) { dvgram.mem[a] = v; }],\n ], {gmask:0x7fff})\n\n };\n this.readAddress = bus.read;\n cpu = this.newCPU(bus);\n // create video/audio\n video = new VectorVideo(mainElement,1024,1024);\n dvg = new DVGBWStateMachine(bus, video, 0x4000);\n audio = newPOKEYAudio(2);\n video.create();\n timer = new AnimationTimer(60, this.nextFrame.bind(this));\n setKeyboardFromMap(video, switches, ASTEROIDS_KEYCODE_MAP);\n }\n\n this.advance = (novideo) => {\n if (!novideo) video.clear();\n var debugCond = this.getDebugCallback();\n clock = 0;\n for (var i=0; i<cpuCyclesPerFrame; i++) {\n if (debugCond && debugCond()) {\n debugCond = null;\n break;\n }\n clock++;\n if (--nmicount == 0) {\n //console.log(\"NMI\", cpu.saveState());\n
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"names": []
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}
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