From 08af6ae3a5d062372eb374630d57e5848bd0b59f Mon Sep 17 00:00:00 2001
From: Steven Hugg <hugg@fasterlight.com>
Date: Sat, 18 Jul 2020 15:38:39 -0500
Subject: [PATCH] loadBIOS() now on Machine interface, updated c64 BIOS,
 emulator types SYS command

---
 doc/notes.txt                 |   4 +-
 package-lock.json             |  15 ++++----
 package.json                  |   4 +-
 presets/c64/eliza.c           |   4 +-
 presets/coleco/fonts.s        |   2 +-
 presets/sms-sms-libcv/fonts.s |   2 +-
 res/c64.bios                  | Bin 20480 -> 20480 bytes
 src/common/baseplatform.ts    |  36 +++++++++++++++---
 src/common/devices.ts         |   4 ++
 src/ide/ui.ts                 |   4 +-
 src/machine/c64.ts            |  69 +++++++++++++++++++---------------
 src/platform/astrocade.ts     |   1 -
 src/platform/coleco.ts        |   3 ++
 13 files changed, 95 insertions(+), 53 deletions(-)

diff --git a/doc/notes.txt b/doc/notes.txt
index 32efc55b..a7205bf5 100644
--- a/doc/notes.txt
+++ b/doc/notes.txt
@@ -178,7 +178,8 @@ TODO:
 - C64
   - disk image support
   - https://github.com/cc65/cc65/issues/946
-  - need to sync advanceFrame() w/ vsync
+  - player 2 joystick and keyboard conflict
+  - problems with cgetc()
 
 - upgrade to ES2020?
   - https://github.com/microsoft/TypeScript/issues/16577
@@ -386,6 +387,7 @@ Emulator Lib
 - MAME
   - debugging?
   - kbd instructions don't work
+  
 
 Markdown (showdown) interface
 - add code patches to files
diff --git a/package-lock.json b/package-lock.json
index 539451e8..036025e3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,9 +32,9 @@
       }
     },
     "@types/node": {
-      "version": "14.0.22",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.0.22.tgz",
-      "integrity": "sha512-emeGcJvdiZ4Z3ohbmw93E/64jRzUHAItSHt8nF7M4TGgQTiWqFVGB8KNpLGFmUHmHLvjvBgFwVlqNcq+VuGv9g==",
+      "version": "14.0.23",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.0.23.tgz",
+      "integrity": "sha512-Z4U8yDAl5TFkmYsZdFPdjeMa57NOvnaf1tljHzhouaPEp7LCj2JKkejpI1ODviIAQuW4CcQmxkQ77rnLsOOoKw==",
       "dev": true
     },
     "@types/sizzle": {
@@ -1067,7 +1067,8 @@
     "lodash": {
       "version": "4.17.19",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
+      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==",
+      "dev": true
     },
     "lodash.sortby": {
       "version": "4.7.0",
@@ -1766,9 +1767,9 @@
       }
     },
     "typescript": {
-      "version": "3.9.6",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.6.tgz",
-      "integrity": "sha512-Pspx3oKAPJtjNwE92YS05HQoY7z2SFyOpHo9MqJor3BXAGNaPUs83CuVp9VISFkSjyRfiTpmKuAYGJB7S7hOxw==",
+      "version": "3.9.7",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.7.tgz",
+      "integrity": "sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==",
       "dev": true
     },
     "typescript-formatter": {
diff --git a/package.json b/package.json
index 7cbfb183..d30360c4 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "@types/bootbox": "^4.4.36",
     "@types/bootstrap": "^3.4.0",
     "@types/jquery": "^3.5.0",
-    "@types/node": "^14.0.22",
+    "@types/node": "^14.0.23",
     "atob": "^2.1.x",
     "btoa": "^1.2.x",
     "clipboard": "^2.0.6",
@@ -28,7 +28,7 @@
     "octokat": "^0.10.0",
     "pngjs": "^3.4.0",
     "rgbquant": "^1.1.2",
-    "typescript": "^3.9.6",
+    "typescript": "^3.9.7",
     "typescript-formatter": "^7.2.2",
     "vgm-parser": "^0.6.3"
   },
diff --git a/presets/c64/eliza.c b/presets/c64/eliza.c
index 77951e13..efc56fda 100644
--- a/presets/c64/eliza.c
+++ b/presets/c64/eliza.c
@@ -262,7 +262,7 @@ void readline(char *instr) {
           printf("Exceeded Max Line Length\n");
         }
         c=getchar();
-    } 
+    }
     instr[slen]='\0';
 }
 
@@ -278,7 +278,7 @@ void main()
   char inputstr[MAXLINELEN];
   int x,s;
   char *location;
-
+  
   // use the first reply for each keyword match the first time you see that keyword
   for (x=0;x<NUMKEYWORDS; x++) {
     whichReply[x] = 0;
diff --git a/presets/coleco/fonts.s b/presets/coleco/fonts.s
index e3669e25..96922645 100644
--- a/presets/coleco/fonts.s
+++ b/presets/coleco/fonts.s
@@ -6,7 +6,7 @@
 ;Character cell data for default font
 ;(built into BIOS on ColecoVision)
 
-;;{w:8,h:8,brev:1,count:224};;
+;;{w:8,h:8,brev:1,count:96};;
 Font_Space:
 .DB 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ;32
 .DB 0x10,0x38,0x38,0x10,0x10,0x00,0x10,0x00 ;33
diff --git a/presets/sms-sms-libcv/fonts.s b/presets/sms-sms-libcv/fonts.s
index 5cbf0f5c..593fca89 100644
--- a/presets/sms-sms-libcv/fonts.s
+++ b/presets/sms-sms-libcv/fonts.s
@@ -4,7 +4,7 @@
 	.globl	_font_bitmap_0
 
 ;Character cell data for default font
-;;{w:8,h:8,brev:1,count:224};;
+;;{w:8,h:8,brev:1,count:96};;
 Font_Space:
 .DB 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ;32
 .DB 0x10,0x38,0x38,0x10,0x10,0x00,0x10,0x00 ;33
diff --git a/res/c64.bios b/res/c64.bios
index 9a1951fc7f3cc663a03ffa77942a32728bd3a732..1ed72e647d72eccc1a3883859dd33ca8f0335d98 100644
GIT binary patch
delta 12549
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diff --git a/src/common/baseplatform.ts b/src/common/baseplatform.ts
index c80cabae..fc27bc42 100644
--- a/src/common/baseplatform.ts
+++ b/src/common/baseplatform.ts
@@ -970,7 +970,7 @@ export function lookupSymbol(platform:Platform, addr:number, extra:boolean) {
 
 /// new Machine platform adapters
 
-import { Bus, Resettable, FrameBased, VideoSource, SampledAudioSource, AcceptsROM, AcceptsKeyInput, SavesState, SavesInputState, HasCPU, TrapCondition, CPU } from "./devices";
+import { Bus, Resettable, FrameBased, VideoSource, SampledAudioSource, AcceptsROM, AcceptsBIOS, AcceptsKeyInput, SavesState, SavesInputState, HasCPU, TrapCondition, CPU } from "./devices";
 import { Probeable, RasterFrameBased, AcceptsPaddleInput, SampledAudioSink, ProbeAll, NullProbe } from "./devices";
 import { SampledAudio } from "./audio";
 import { ProbeRecorder } from "./recorder";
@@ -996,6 +996,9 @@ function isRaster(arg:any): arg is RasterFrameBased {
 function hasProbe(arg:any): arg is Probeable {
     return typeof arg.connectProbe == 'function';
 }
+function hasBIOS(arg:any): arg is AcceptsBIOS {
+  return typeof arg.loadBIOS == 'function';
+}
 
 export abstract class BaseMachinePlatform<T extends Machine> extends BaseDebugPlatform implements Platform {
   machine : T;
@@ -1064,6 +1067,11 @@ export abstract class BaseMachinePlatform<T extends Machine> extends BaseDebugPl
         m.connectProbe(null);
       };
     }
+    if (hasBIOS(m)) {
+      this.loadBIOS = (title, data) => {
+        m.loadBIOS(data, title);
+      };
+    }
   }
   
   loadROM(title, data) {
@@ -1071,12 +1079,18 @@ export abstract class BaseMachinePlatform<T extends Machine> extends BaseDebugPl
     this.reset();
   }
 
+  loadBIOS; // only set if hasBIOS() is true
+
   pollControls() {
     this.poller && this.poller.poll();
     if (hasPaddleInput(this.machine)) {
       this.machine.setPaddleInput(0, this.video.paddle_x);
       this.machine.setPaddleInput(1, this.video.paddle_y);
     }
+    // TODO: put into interface
+    if (this.machine['pollControls']) {
+      this.machine['pollControls']();
+    }
   }
 
   advance(novideo:boolean) {
@@ -1209,6 +1223,8 @@ export abstract class BaseWASMMachine {
   romptr : number;
   romlen : number;
   romarr : Uint8Array;
+  biosptr : number;
+  biosarr : Uint8Array;
   audio : SampledAudioSink;
   audioarr : Float32Array;
   probe : ProbeAll;
@@ -1246,12 +1262,11 @@ export abstract class BaseWASMMachine {
     // fetch BIOS
     var biosResponse = await fetch('res/'+this.prefix+'.bios');
     var biosBinary = await biosResponse.arrayBuffer();
-    const cBIOSPointer = this.exports.malloc(0x5000);
-    const srcArray = new Uint8Array(biosBinary);
-    const destArray = new Uint8Array(this.exports.memory.buffer, cBIOSPointer, 0x5000);
-    destArray.set(srcArray);
+    this.biosptr = this.exports.malloc(biosBinary.byteLength);
+    this.biosarr = new Uint8Array(this.exports.memory.buffer, this.biosptr, biosBinary.byteLength);
+    this.loadBIOS(new Uint8Array(biosBinary));
     // init machine instance
-    this.sys = this.exports.machine_init(cBIOSPointer);
+    this.sys = this.exports.machine_init(this.biosptr);
     console.log('machine_init', this.sys);
     // create state buffers
     var statesize = this.exports.machine_get_state_size();
@@ -1287,9 +1302,18 @@ export abstract class BaseWASMMachine {
     this.romlen = rom.length;
     this.reset();
   }
+  // TODO: can't load after machine_init
+  loadBIOS(srcArray: Uint8Array) {
+    this.biosarr.set(srcArray);
+  }
   reset() {
     this.exports.machine_reset(this.sys);
   }
+  /* TODO: we don't need this because c64_exec does this?
+  pollControls() {
+    this.exports.machine_start_frame(this.sys);
+  }
+  */
   read(address: number) : number {
     return this.exports.machine_mem_read(this.sys, address & 0xffff);
   }
diff --git a/src/common/devices.ts b/src/common/devices.ts
index c017c44a..284d57cd 100644
--- a/src/common/devices.ts
+++ b/src/common/devices.ts
@@ -63,6 +63,10 @@ export interface AcceptsROM {
     loadROM(data:Uint8Array, title?:string) : void;
 }
 
+export interface AcceptsBIOS {
+  loadBIOS(data:Uint8Array, title?:string) : void;
+}
+
 export interface Resettable {
     reset() : void;
 }
diff --git a/src/ide/ui.ts b/src/ide/ui.ts
index ade922b6..f467fa13 100644
--- a/src/ide/ui.ts
+++ b/src/ide/ui.ts
@@ -1076,8 +1076,8 @@ async function loadBIOSFromProject() {
     var biospath = platform_id + '.rom';
     var biosdata = await store.getItem(biospath);
     if (biosdata instanceof Uint8Array) {
-      console.log('loading BIOS')
-      platform.loadBIOS('BIOS', biosdata);
+      console.log('loading BIOS', biospath, biosdata.length + " bytes")
+      platform.loadBIOS(biospath, biosdata);
     } else {
       console.log('BIOS file must be binary')
     }
diff --git a/src/machine/c64.ts b/src/machine/c64.ts
index a259eaa3..4cb0d2f1 100644
--- a/src/machine/c64.ts
+++ b/src/machine/c64.ts
@@ -24,8 +24,17 @@ export class C64_WASMMachine extends BaseWASMMachine implements Machine, Probeab
   joymask0 = 0;
   joymask1 = 0;
 
+  loadBIOS(srcArray: Uint8Array) {
+    var patch1ofs = 0xea24 - 0xe000 + 0x3000;
+    /*if (srcArray[patch1ofs] == 0x02)*/ srcArray[patch1ofs] = 0x60; // cursor move, KIL -> RTS
+    super.loadBIOS(srcArray);
+  }
   reset() {
     super.reset();
+    // clear keyboard
+    for (var ch=0; ch<128; ch++) {
+      this.setKeyInput(ch, 0, KeyFlags.KeyUp);
+    }
     // load rom
     if (this.romptr && this.romlen) {
       this.exports.machine_load_rom(this.sys, this.romptr, this.romlen);
@@ -35,38 +44,36 @@ export class C64_WASMMachine extends BaseWASMMachine implements Machine, Probeab
         this.prgstart = this.romarr[2] + (this.romarr[3]<<8) + 2; // point to after BASIC program
         console.log("prgstart", hex(this.prgstart));
       }
-    }
-    // clear keyboard
-    for (var ch=0; ch<128; ch++) {
-      this.setKeyInput(ch, 0, KeyFlags.KeyUp);
-    }
-    // is program loaded into RAM?
-    if (this.prgstart < 0x8000) {
-      // advance BIOS a few frames
-      this.exports.machine_exec(this.sys, 150000);
-      // set IRQ routine @ 0x314
-      var old0x314 = this.read(0x314) + this.read(0x315) * 256;
-      this.write(0x314, this.prgstart & 0xff);
-      this.write(0x315, (this.prgstart >> 8) & 0xff);
-      // wait until IRQ fires
-      for (var i=0; i<50000 && this.getPC() != this.prgstart; i++) {
-        this.exports.machine_tick(this.sys);
-      }
-      // reset 0x314 to old value
-      this.write(0x314, old0x314 & 0xff);
-      this.write(0x315, old0x314 >> 8);
-    } else {
-      // get out of reset
-      this.exports.machine_exec(this.sys, 100);
-      // wait until cartridge start
-      // TODO: detect ROM cartridge
-      var warmstart = this.romarr[0x4] + this.romarr[0x5]*256;
-      for (var i=0; i<150000 && this.getPC() != warmstart; i++) {
-        this.exports.machine_tick(this.sys);
+      // is program loaded into RAM?
+      if (this.prgstart < 0x8000) {
+        // advance BIOS a few frames
+        this.exports.machine_exec(this.sys, 250000);
+        // type in command (SYS 2061)
+        var cmd = "SYS "+this.prgstart+"\r";
+        for (var i=0; i<cmd.length; i++) {
+          var key = cmd.charCodeAt(i);
+          this.exports.machine_exec(this.sys, 10000);
+          this.exports.machine_key_down(this.sys, key);
+          this.exports.machine_exec(this.sys, 10000);
+          this.exports.machine_key_up(this.sys, key);
+        }
+        // advance clock until program starts
+        for (var i=0; i<100000 && this.getPC() != this.prgstart; i++) {
+          this.exports.machine_tick(this.sys);
+        }
+      } else {
+        // get out of reset
+        this.exports.machine_exec(this.sys, 100);
+        // wait until cartridge start
+        // TODO: detect ROM cartridge
+        var warmstart = this.romarr[0x4] + this.romarr[0x5]*256;
+        for (var i=0; i<150000 && this.getPC() != warmstart; i++) {
+          this.exports.machine_tick(this.sys);
+        }
       }
+      // TODO: shouldn't we return here @ start of frame?
+      // and stop probing
     }
-    // TODO: shouldn't we return here @ start of frame?
-    // and stop probing
   }
   advanceFrame(trap: TrapCondition) : number {
     // TODO: does this sync with VSYNC?
@@ -129,11 +136,13 @@ export class C64_WASMMachine extends BaseWASMMachine implements Machine, Probeab
     if (key == 39) { key = 0x9; mask = 0x8; } // RIGHT
     if (key == 40) { key = 0xa; mask = 0x2; } // DOWN
     if (key == 32) { mask = 0x10; } // FIRE
+    /* player 2 (TODO)
     if (key == 65) { key = 65; mask2 = 0x4; } // LEFT
     if (key == 87) { key = 87; mask2 = 0x1; } // UP
     if (key == 68) { key = 68; mask2 = 0x8; } // RIGHT
     if (key == 83) { key = 83; mask2 = 0x2; } // DOWN
     if (key == 69) { mask2 = 0x10; } // FIRE
+    */
     if (key == 113) { key = 0xf1; } // F2
     if (key == 115) { key = 0xf3; } // F4
     if (key == 119) { key = 0xf5; } // F8
diff --git a/src/platform/astrocade.ts b/src/platform/astrocade.ts
index dd047387..00730fc8 100644
--- a/src/platform/astrocade.ts
+++ b/src/platform/astrocade.ts
@@ -32,7 +32,6 @@ class BallyAstrocadePlatform extends BaseZ80MachinePlatform<BallyAstrocade> impl
   getPresets()          { return ASTROCADE_PRESETS; }
   getDefaultExtension() { return ".c"; };
   readAddress(a)        { return this.machine.read(a); }
-  loadBIOS(title,bios)	{ this.machine.loadBIOS(bios); }
   getMemoryMap = function() { return { main:[
       {name:'BIOS',start:0x0,size:0x2000,type:'rom'},
       //{name:'Cart ROM',start:0x2000,size:0x2000,type:'rom'},
diff --git a/src/platform/coleco.ts b/src/platform/coleco.ts
index db60c316..b1a768a8 100644
--- a/src/platform/coleco.ts
+++ b/src/platform/coleco.ts
@@ -32,6 +32,9 @@ class ColecoVisionPlatform extends BaseZ80MachinePlatform<ColecoVision> implemen
       {name:'BIOS',start:0x0,size:0x2000,type:'rom'},
       {name:'Cartridge Header',start:0x8000,size:0x100,type:'rom'},
   ] } };
+  showHelp(tool:string, ident:string) {
+    window.open("https://8bitworkshop.com/blog/platforms/coleco/", "_help");
+  }
 }
 
 /// MAME support