8bitworkshop/gen/chunk-6SJKJ2GP.js.map

{
  "version": 3,
  "sources": ["../src/common/video/tms9918a.ts", "../src/machine/vdp_z80.ts"],
  "sourcesContent": ["/*\n * js99'er - TI-99/4A emulator written in JavaScript\n *\n * Created 2014 by Rasmus Moustgaard <rasmus.moustgaard@gmail.com>\n *\n * TMS9918A VDP emulation.\n *\n * https://github.com/Rasmus-M/Js99er\n * GNU General Public License v2.0\n */\n\nimport { hex, lpad, RGBA } from \"../util\";\nimport { ProbeVRAM, NullProbe } from \"../devices\";\n\nenum TMS9918A_Mode {\n  GRAPHICS = 0,\n  TEXT = 1,\n  BITMAP = 2,\n  MULTICOLOR = 3,\n  MODE4 = 4,\n  BITMAP_TEXT = 5,\n  BITMAP_MULTICOLOR = 6,\n  ILLEGAL = 7,\n};\n\ninterface CPUInterface {\n    setVDPInterrupt(b:boolean);\n}\n\nexport class TMS9918A {\n\n  cru : { setVDPInterrupt: (b:boolean) => void };\n  enableFlicker : boolean;\n  probe : ProbeVRAM = new NullProbe();\n\n  ram = new Uint8Array(16384); // VDP RAM\n  registers = new Uint8Array(8);\n  spriteBuffer = new Uint8Array(256);\n  addressRegister : number;\n  statusRegister : number;\n\n  palette : number[];\n\n  latch : boolean;\n  prefetchByte : number;\n\n  displayOn : boolean = false;\n  interruptsOn : boolean = false;\n  screenMode : number;\n  bitmapMode : boolean;\n  textMode : boolean;\n  colorTable : number;\n  nameTable : number;\n  charPatternTable : number;\n  spriteAttributeTable : number;\n  spritePatternTable : number;\n  colorTableMask : number;\n  patternTableMask : number;\n  ramMask : number;\n  fgColor : number;\n  bgColor : number;\n\n  flicker : boolean;\n  redrawRequired : boolean;\n\n  fb32 : Uint32Array;\n\n  width : number;\n  height : number;\n\n  constructor(fb32:Uint32Array, cru:CPUInterface, enableFlicker:boolean) {\n\n    this.fb32 = fb32;\n    this.cru = cru;\n    this.enableFlicker = enableFlicker;\n\n    this.palette = [\n        RGBA(0, 0, 0),\n        RGBA(0, 0, 0),\n        RGBA(33, 200, 66),\n        RGBA(94, 220, 120),\n        RGBA(84, 85, 237),\n        RGBA(125, 118, 252),\n        RGBA(212, 82, 77),\n        RGBA(66, 235, 245),\n        RGBA(252, 85, 84),\n        RGBA(255, 121, 120),\n        RGBA(212, 193, 84),\n        RGBA(230, 206, 128),\n        RGBA(33, 176, 59),\n        RGBA(201, 91, 186),\n        RGBA(204, 204, 204),\n        RGBA(255, 255, 255)\n    ];\n  }\n\n    reset() {\n\n        var i;\n        this.ram.fill(0);\n        this.registers.fill(0);\n        \n        this.addressRegister = 0;\n        this.statusRegister = 0;\n\n        this.prefetchByte = 0;\n        this.latch = false;\n\n        this.displayOn = false;\n        this.interruptsOn = false;\n        this.screenMode = TMS9918A_Mode.GRAPHICS;\n        this.bitmapMode = false;\n        this.textMode = false;\n        this.colorTable = 0;\n        this.nameTable = 0;\n        this.charPatternTable = 0;\n        this.spriteAttributeTable = 0;\n        this.spritePatternTable = 0;\n        this.colorTableMask = 0x3FFF;\n        this.patternTableMask = 0x3FFF;\n        this.ramMask = 0x3FFF;\n        this.fgColor = 0;\n        this.bgColor = 0;\n\n        this.flicker = this.enableFlicker;\n        this.redrawRequired = true;\n\n        this.width = 304;\n        this.height = 240;\n    }\n\n    drawScanline(y:number) {\n        var imageData = this.fb32,\n            width = this.width,\n            imageDataAddr = (y * width),\n            screenMode = this.screenMode,\n            textMode = this.textMode,\n            bitmapMode = this.bitmapMode,\n            drawWidth = !textMode ? 256 : 240,\n            drawHeight = 192,\n            hBorder = (width - drawWidth) >> 1,\n            vBorder = (this.height - drawHeight) >> 1,\n            fgColor = this.fgColor,\n            bgColor = this.bgColor,\n            ram = this.ram,\n            nameTable = this.nameTable,\n            colorTable = this.colorTable,\n            charPatternTable = this.charPatternTable,\n            colorTableMask = this.colorTableMask,\n            patternTableMask = this.patternTableMask,\n            spriteAttributeTable = this.spriteAttributeTable,\n            spritePatternTable = this.spritePatternTable,\n            spriteSize = (this.registers[1] & 0x2) !== 0,\n            spriteMagnify 
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}