8 lines
11 KiB
JavaScript
8 lines
11 KiB
JavaScript
import{I as $,h as H,k as z,p as Y,t as K,y as V}from"./chunk-ULPRULB6.js";import{$ as W,J as O,V as L,W as o,X as F,Z as E,aa as T,ea as N,g as p}from"./chunk-RXF2JDJ3.js";import"./chunk-WAARL7ET.js";var g=0,R=2,v=8,Z=E([[o.A,v+0,128],[o.B,v+1,128],[o.GP_A,v+0,128],[o.GP_B,v+1,128],[o.SELECT,R,-2],[o.START,R,-1],[o.UP,g,-16],[o.DOWN,g,-32],[o.LEFT,g,-64],[o.RIGHT,g,-128],[o.P2_A,v+2,128],[o.P2_B,v+3,128],[o.P2_UP,g,-1],[o.P2_DOWN,g,-2],[o.P2_LEFT,g,-4],[o.P2_RIGHT,g,-8]]);var D=263,j=258-16,y=451,tt=28,et=16,rt=24,G=2,X=D*60*G,B=class{constructor(){this.regs=new Uint8Array(32)}reset(){this.regs.fill(0)}read(t){return this.regs[t]|0}write(t,e){this.regs[t]=e}saveState(){return{regs:this.regs.slice(0)}}loadState(t){for(let e=0;e<32;e++)this.write(e,t.regs[e])}static stateToLongString(t){let e="";return e+=L(t.regs,0,32),e}},_=class{constructor(){this.cycles=0;this.regs=new Uint8Array(32);this.offset=-1;this.dll=0;this.dlstart=0;this.dli=!1;this.h16=!1;this.h8=!1;this.writemode=0;this.indirect=!1;this.pixels=new Uint8Array(320);this.WSYNC=0}reset(){this.regs.fill(0)}read(t){return this.regs[t]|0}write(t,e){this.regs[t]=e,t==4&&this.WSYNC++}saveState(){return{regs:this.regs.slice(0),offset:this.offset,dll:this.dll,dlstart:this.dlstart,dli:this.dli,h16:this.h16,h8:this.h8,indirect:this.indirect,writemode:this.writemode}}loadState(t){for(let e=0;e<32;e++)this.write(e,t.regs[e]|0);this.offset=t.offset|0,this.dll=t.dll|0,this.dlstart=t.dlstart|0,this.dli=!!t.dli,this.h16=!!t.h16,this.h8=!!t.h8,this.indirect=!!t.indirect,this.writemode=t.writemode|0}isDMAEnabled(){return(this.regs[28]&96)==64}getDLLStart(){return(this.regs[12]<<8)+this.regs[16]}getCharBaseAddress(){return(this.regs[20]<<8)+this.offset}setVBLANK(t){t?(this.regs[8]|=128,this.offset=-1,this.dll=this.getDLLStart(),this.dli=this.bus&&(this.bus.read(this.dll)&128)!=0):this.regs[8]&=~128}readDLLEntry(t){if(this.dll>=16384)return;let e=t.read(this.dll);this.offset=e&15,this.h16=(e&64)!=0,this.h8=(e&32)!=0,this.dlstart=(t.read(this.dll+1)<<8)+t.read(this.dll+2),this.dll=this.dll+3&65535,this.dli=(t.read(this.dll)&128)!=0}isHoley(t){return this.indirect?!1:!!(t&32768&&(this.h16&&t&4096||this.h8&&t&2048))}readDMA(t){return this.isHoley(t)?0:(this.cycles+=3,this.bus.read(t))}doDMA(t){this.bus=t,this.cycles=0;let e=this.pixels;if(e.fill(this.regs[0]),this.isDMAEnabled()){this.cycles+=this.offset==0?rt:et,this.offset<0&&this.readDLLEntry(t);let c=this.dlstart&65280,a=this.dlstart&255;do{let u=t.read(c+(a+0&511)),s=t.read(c+(a+1&511));if(s==0||c>=16384)break;let S=t.read(c+(a+2&511)),b=t.read(c+(a+3&511)),d=!1;if((s&31)==0){var i=b>>5,f=32-(b&31),r=t.read(c+(a+4&511));d=(s&32)!=0,a+=5,this.cycles+=10,this.writemode=s&128}else{var r=b,i=s>>5,f=32-(s&31);a+=4,this.cycles+=8}this.indirect=d;let x=u+((S+(d?0:this.offset)&255)<<8);r*=2;let C=this.regs[28],M=(C&3)+(this.writemode?4:0),A=(C&4)!=0,I=d&&(C&16)!=0;I&&(f*=2);for(var m=0;m<f;m++){let h=this.readDMA(I?x+(m>>1):x+m);if(d){let w=(this.regs[20]+this.offset<<8)+h;I&&m&1&&(w++,this.cycles-=3),h=this.readDMA(w)}switch(M){case 0:for(let n=0;n<4;n++){let l=h>>6&3;(l||A)&&(e[r]=e[r+1]=this.regs[(i<<2)+l]),h<<=2,r=r+2&511}break;case 3:for(let n=0;n<8;n++){let l=(h&128)>>6;(l||A)&&(e[r]=this.regs[(i<<2)+l]),h<<=1,r=r+1&511}break;case 4:for(let n=0;n<2;n++){let l=(h>>6&3)+(h&12);(l&3||A)&&(e[r]=e[r+1]=e[r+2]=e[r+3]=this.regs[((i&4)<<2)+l]),h<<=2,r=r+2&511}break;case 6:for(let n=0;n<4;n++){let l=(h&128)>>6|(h&8)>>3;(l||A)&&(e[r]=this.regs[(i<<2)+l]),h<<=1,r=r+1&511}break;case 2:for(let n=0;n<8;n++){let l=(h&128)>>6;l+=n&1?i&1:i>>1&1,(l||A)&&(e[r]=this.regs[(i<<2)+l]),h<<=1,r=r+1&511}break;case 7:let w=h;for(let n=0;n<4;n++){n==2&&(w<<=2);let l=(h&128)>>6,Q=i&4|w>>2&3;(l||A)&&(e[r]=this.regs[(Q<<2)+l]),h<<=1,r=r+1&511}break}}}while(this.cycles<y);this.offset-=1}return this.cycles}doInterrupt(){return this.dli&&this.offset<0?(this.dli=!1,!0):!1}static stateToLongString(t){let e="";return e+=L(t.regs,0,32),e+=`
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DLL: $`+p((t.regs[12]<<8)+t.regs[16],4)+" @ $"+p(t.dll,4),e+=`
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DL: $`+p(t.dlstart,4),e+=`
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Offset: `+t.offset,e+=`
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DLI? `+t.dli,e}},U=class extends Y{constructor(){super();this.cpuFrequency=1789772;this.canvasWidth=320;this.numTotalScanlines=D;this.numVisibleScanlines=j;this.defaultROMSize=49152;this.cpuCyclesPerLine=113.5;this.sampleRate=X;this.ram=new Uint8Array(4096);this.regs6532=new Uint8Array(4);this.piatimer=0;this.timerinterval=1;this.tia=new B;this.maria=new _;this.lastFrameCycles=0;this.xtracyc=0;this.cpu=new K,this.read=T([[8,13,15,t=>(this.xtracyc++,this.readInput(t))],[0,31,31,t=>(this.xtracyc++,this.tia.read(t))],[32,63,31,t=>this.maria.read(t)],[64,255,255,t=>this.ram[t+2048]],[256,319,255,t=>this.read(t)],[320,511,511,t=>this.ram[t+2048]],[640,767,127,t=>(this.xtracyc++,this.readPIA(t))],[6144,10239,65535,t=>this.ram[t-6144]],[10240,16383,2047,t=>this.read(t|8192)],[16384,65535,65535,t=>this.rom?this.rom[t-16384]:0],[0,65535,65535,t=>this.probe&&this.probe.logIllegal(t)]]),this.write=T([[21,26,31,(t,e)=>{this.xtracyc++,this.pokey1.setTIARegister(t,e)}],[0,31,31,(t,e)=>{this.xtracyc++,this.tia.write(t,e)}],[32,63,31,(t,e)=>{this.maria.write(t,e)}],[64,255,255,(t,e)=>{this.ram[t+2048]=e}],[256,319,255,(t,e)=>{this.write(t,e)}],[320,511,511,(t,e)=>{this.ram[t+2048]=e}],[640,767,127,(t,e)=>{this.xtracyc++,this.writePIA(t,e)}],[6144,10239,65535,(t,e)=>{this.ram[t-6144]=e}],[10240,16383,2047,(t,e)=>{this.write(t|8192,e)}],[49151,49151,65535,(t,e)=>{}],[0,65535,65535,(t,e)=>{this.probe&&this.probe.logIllegal(t)}]]),this.connectCPUMemoryBus(this),this.dmaBus=this.probeDMABus(this),this.handler=F(this.inputs,Z),this.pokey1=new H,this.audioadapter=new z(this.pokey1,G,X)}readConst(t){let e=this.probe;this.probe=null;let i=this.read(t);return this.probe=e,i}readInput(t){switch(t){case 12:return~this.inputs[8]&128;case 13:return~this.inputs[9]&128;default:return this.inputs[t]|0}}readPIA(t){switch(t){case 0:case 2:return this.inputs[t];case 1:case 3:return this.regs6532[t];case 4:return this.getPIATimerValue();default:return 0}}writePIA(t,e){switch(t){case 0:case 1:case 2:case 3:this.regs6532[t]=e;return;case 20:this.setPIATimer(e,0);return;case 21:this.setPIATimer(e,3);return;case 22:this.setPIATimer(e,6);return;case 23:this.setPIATimer(e,10);return;case 24:this.setPIATimer(e,6);return}}setPIATimer(t,e){this.piatimer=t+1<<e,this.timerinterval=e}getPIATimerValue(){let t=this.piatimer;return t>0?t>>this.timerinterval:t&255}advanceCPU(){var t=super.advanceCPU();return this.tickPIATimer(t),this.xtracyc&&(t+=this.xtracyc,this.tickClocks(this.xtracyc),this.xtracyc=0),t}tickClocks(t){this.probe.logClocks(t),this.tickPIATimer(t)}tickPIATimer(t){this.piatimer=Math.max(-256,this.piatimer-t)}advanceFrame(t){var e=this.pixels,i=0,f,r=0,m=0,c=0;this.lastFrameCycles=-1,this.probe.logNewFrame();for(var a=0;a<D;a++){this.scanline=a;var u=a<j;for(this.maria.setVBLANK(!u),this.maria.WSYNC=0;r<tt&&!this.maria.WSYNC;){if(t&&t()){t=null,a=999,this.lastFrameCycles=r;break}r+=this.advanceCPU()<<2,c++}if(u){let S=this.maria.doDMA(this.dmaBus);if(this.tickClocks(S>>2),r+=S,e){let x=(this.maria.regs[28]&128)!=0?15:255;for(var s=0;s<320;s++)e[i++]=q[this.maria.pixels[s]&x]}}for((u||a==D-1)&&this.maria.doInterrupt()&&(this.probe.logInterrupt(0),this.cpu.NMI());r<y;){if(this.maria.WSYNC){this.probe.logWait(0),this.tickClocks(y-r>>2),r=y;break}if(t&&t()){t=null,a=999,this.lastFrameCycles=r;break}r+=this.advanceCPU()<<2,c++}this.audio&&this.audioadapter.generate(this.audio),r-=y,m+=r,this.probe.logNewScanline()}return c}getRasterX(){return(this.lastFrameCycles+y)%y}getRasterY(){return this.scanline}getRasterCanvasPosition(){return{x:this.getRasterX(),y:this.getRasterY()}}loadROM(t){t.length==49280&&(t=t.slice(128)),this.rom=W(t,this.defaultROMSize,!0)}reset(){super.reset(),this.tia.reset(),this.maria.reset(),this.inputs.fill(0),this.inputs[g]=255,this.inputs[R]=1+2+8,this.setPIATimer(0,0)}readAddress(t){return this.read(t)|0}loadState(t){this.cpu.loadState(t.c),this.ram.set(t.ram),this.tia.loadState(t.tia),this.maria.loadState(t.maria),this.regs6532.set(t.regs6532),this.piatimer=t.pia.timer,this.timerinterval=t.pia.interval,this.loadControlsState(t)}saveState(){return{c:this.cpu.saveState(),ram:this.ram.slice(0),tia:this.tia.saveState(),maria:this.maria.saveState(),regs6532:this.regs6532.slice(0),inputs:this.inputs.slice(0),pia:{timer:this.piatimer,interval:this.timerinterval}}}loadControlsState(t){this.inputs.set(t.inputs)}saveControlsState(){return{inputs:this.inputs.slice(0)}}getDebugCategories(){return["CPU","Stack","TIA","MARIA"]}getDebugInfo(t,e){switch(t){case"TIA":return B.stateToLongString(e.tia);case"MARIA":return _.stateToLongString(e.maria)+`
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Scanline: `+this.scanline}}getDebugDisplayLists(){let t={},e=this.maria.getDLLStart(),i=0;for(;i<240;){let f=this.readConst(e),r=f&15,m=(f&64)!=0,c=(f&32)!=0,a=(this.readConst(e+1)<<8)+this.readConst(e+2);e=e+3&65535;let u=(this.readConst(e)&128)!=0,s="DL $"+p(a,4)+" "+i+"-"+(i+r);m&&(s+=" H16"),c&&(s+=" H8"),u&&(s+=" DLI"),t[s]={$$:this._readDebugDisplayList(a)},i+=r+1}return t}_readDebugDisplayList(t){return()=>this.readDebugDisplayList(t)}readDebugDisplayList(t){let e=[],i=t&65280,f=t&255;do{let a=this.maria.regs[28],u=this.readConst(i+(f+0&511)),s=this.readConst(i+(f+1&511));if(s==0)break;let S=this.readConst(i+(f+2&511)),b=this.readConst(i+(f+3&511)),d=!1,x="",C,M=(a&3)+(s&128?4:0);if((s&31)==0){var r=b>>5,m=32-(b&31),c=this.readConst(i+(f+4&511));d=(s&32)!=0,C=s&128,f+=5}else{var c=b,r=s>>5,m=32-(s&31);f+=4}x+="X="+c+" W="+m+" P="+r,C&&(x+=" WM=1"),d&&(x+=" CHR=$"+p(this.maria.regs[20]+this.maria.offset&255)+"xx");let A=u+((S+(d?0:this.maria.offset)&255)<<8);x=" $"+p(A,4)+" "+x,x=["160A","?","320D","320A","160B","?","320B","320C"][M]+" "+x,e.push(x)}while(f<512);return e}},q=new Uint32Array(256);for(P=0;P<256;P++)q[P]=N(P);var P;var it=[{id:"sprites.dasm",name:"Sprites (ASM)",category:"Assembler"},{id:"wsync.c",name:"WSYNC",category:"CC65"},{id:"sprites.c",name:"Double Buffering"},{id:"scroll.c",name:"Scrolling"},{id:"test_conio.c78",name:"Conio Test",category:"cc7800"},{id:"example_small_sprites.c78",name:"Small Sprites"},{id:"example_vertical_scrolling.c78",name:"Vertical Scrolling"}],J=class extends ${constructor(){super(...arguments);this.getMemoryMap=function(){return{main:[{name:"TIA",start:0,size:32,type:"io"},{name:"MARIA",start:32,size:32,type:"io"},{name:"RAM (6166 Block 0)",start:64,size:192,type:"ram"},{name:"RAM (6166 Block 1)",start:320,size:192,type:"ram"},{name:"PIA",start:640,size:24,type:"io"},{name:"RAM",start:6144,size:4096,type:"ram"},{name:"Cartridge ROM",start:16384,size:49152-6,type:"rom"},{name:"CPU Vectors",start:65530,size:6,type:"rom"}]}}}newMachine(){return new U}getPresets(){return it}getDefaultExtension(){return".c"}readAddress(t){return this.machine.readConst(t)}getROMExtension(){return".a78"}getDebugTree(){let t=super.getDebugTree();return t.display_list=this.machine.getDebugDisplayLists(),t}getToolForFilename(t){return t.endsWith(".cc7800")||t.endsWith(".c78")?"cc7800":V(t)}};O.atari7800=J;
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