1
0
mirror of https://github.com/sehugg/8bitworkshop.git synced 2024-05-29 15:41:29 +00:00

williams-defender platform (no sound)

This commit is contained in:
Steven Hugg 2021-07-13 08:14:37 -05:00
parent 5109986557
commit 04859a5360
3 changed files with 39 additions and 12 deletions

@ -1 +1 @@
Subproject commit 982330e23e75721a53c005ce009d17e62e926f0c
Subproject commit cb2f55c11a6970cabd7f53ed7d1cfebf4eee2e04

View File

@ -790,6 +790,12 @@ var VerilogPlatform = function(mainElement, options) {
getHDLModuleRunner() {
return top;
}
showHelp?(tool:string, ident?:string) : void {
if (tool == 'silice')
window.open("'https://github.com/sylefeb/Silice'", "_help");
else
window.open("https://8bitworkshop.com/docs/platforms/verilog/");
}
} // end of inner class
return new _VerilogPlatform();

View File

@ -11,7 +11,7 @@ var WILLIAMS_PRESETS = [
{ id: 'bitmap_rle.c', name: 'RLE Bitmap' },
];
var WilliamsPlatform = function(mainElement, proto) {
var WilliamsPlatform = function(mainElement, proto, isDefender) {
var self = this;
this.__proto__ = new (proto ? proto : Base6809Platform)();
@ -74,6 +74,9 @@ var WilliamsPlatform = function(mainElement, proto) {
[Keys.VK_9, 4, 0x8],
[Keys.SELECT, 4, 0x10],
]);
var KEYCODE_MAP = isDefender ? DEFENDER_KEYCODE_MAP : ROBOTRON_KEYCODE_MAP;
// TODO: sound board handshake
var palette = [];
@ -97,6 +100,7 @@ var WilliamsPlatform = function(mainElement, proto) {
[0x0, 0xf, 0xf, setPalette],
[0x3fc, 0x3ff, 0, function(a, v) { if (v == 0x38) watchdog_counter = INITIAL_WATCHDOG; }],
[0x400, 0x5ff, 0x1ff, function(a, v) { nvram.mem[a] = v; }],
[0xc02, 0xc02, 0x1, function(a, v) { if (worker) worker.postMessage({ command: v & 0x3f }); }],
[0xc00, 0xc07, 0x7, function(a, v) { pia6821[a] = v; }],
[0x0, 0xfff, 0, function(a, v) { console.log('iowrite', hex(a), hex(v)); }],
]);
@ -126,7 +130,7 @@ var WilliamsPlatform = function(mainElement, proto) {
// Robotron, Joust, Bubbles, Stargate
var ioread_williams = newAddressDecoder([
var ioread_robotron = newAddressDecoder([
[0x804, 0x807, 0x3, function(a) { return pia6821[a]; }],
[0x80c, 0x80f, 0x3, function(a) { return pia6821[a + 4]; }],
[0xb00, 0xbff, 0, function(a) { return video_counter; }],
@ -134,7 +138,7 @@ var WilliamsPlatform = function(mainElement, proto) {
[0x0, 0xfff, 0, function(a) { /* console.log('ioread',hex(a)); */ }],
]);
var iowrite_williams = newAddressDecoder([
var iowrite_robotron = newAddressDecoder([
[0x0, 0xf, 0xf, setPalette],
[0x80c, 0x80c, 0xf, function(a, v) { if (worker) worker.postMessage({ command: v }); }],
//[0x804, 0x807, 0x3, function(a,v) { console.log('iowrite',a); }], // TODO: sound
@ -146,20 +150,25 @@ var WilliamsPlatform = function(mainElement, proto) {
//[0x0, 0xfff, 0, function(a,v) { console.log('iowrite',hex(a),hex(v)); }],
]);
var memread_williams = newAddressDecoder([
var memread_robotron = newAddressDecoder([
[0x0000, 0x8fff, 0xffff, function(a) { return banksel ? rom[a] : ram.mem[a]; }],
[0x9000, 0xbfff, 0xffff, function(a) { return ram.mem[a]; }],
[0xc000, 0xcfff, 0x0fff, ioread_williams],
[0xd000, 0xffff, 0xffff, function(a) { return rom ? rom[a - 0x4000] : 0; }],
]);
var memwrite_williams = newAddressDecoder([
var memwrite_robotron = newAddressDecoder([
[0x0000, 0x97ff, 0, write_display_byte],
[0x9800, 0xbfff, 0, function(a, v) { ram.mem[a] = v; }],
[0xc000, 0xcfff, 0x0fff, iowrite_williams],
//[0x0000, 0xffff, 0, function(a,v) { console.log(hex(a), hex(v)); }],
]);
var memread_williams = isDefender ? memread_defender : memread_robotron;
var memwrite_williams = isDefender ? memwrite_defender : memwrite_robotron;
var ioread_williams = isDefender ? ioread_defender : ioread_robotron;
var iowrite_williams = isDefender ? iowrite_defender : iowrite_robotron;
// d1d6 ldu $11 / beq $d1ed
function setPalette(a, v) {
@ -279,7 +288,6 @@ var WilliamsPlatform = function(mainElement, proto) {
rom = new Uint8Array(0xc000);
// TODO: save in browser storage?
//displayPCs = new Uint16Array(new ArrayBuffer(0x9800*2));
//rom = padBytes(new lzgmini().decode(ROBOTRON_ROM).slice(0), 0xc001);
membus = {
read: memread_williams,
write: memwrite_williams,
@ -305,7 +313,7 @@ var WilliamsPlatform = function(mainElement, proto) {
if (displayPCs) console.log(x, y, hex(addr, 4), "PC", hex(displayPCs[addr], 4));
});
var idata = video.getFrameData();
setKeyboardFromMap(video, pia6821, ROBOTRON_KEYCODE_MAP);
setKeyboardFromMap(video, pia6821, KEYCODE_MAP);
pixels = video.getFrameData();
timer = new AnimationTimer(60, this.nextFrame.bind(this));
}
@ -350,11 +358,13 @@ var WilliamsPlatform = function(mainElement, proto) {
this.loadROM = function(title, data) {
if (data.length > 2) {
if (data.length > 0xc000) {
if (isDefender) {
self.loadSoundROM(data.slice(0x6800));
rom = rom.slice(0, 0x6800);
} else if (data.length > 0xc000) {
self.loadSoundROM(data.slice(0xc000));
rom = rom.slice(0, 0xc000);
}
else if (data.length > 0x9000 && data[0x9000]) {
} else if (data.length > 0x9000 && data[0x9000]) {
self.loadSoundROM(data.slice(0x9000));
}
rom = padBytes(data, 0xc000);
@ -424,7 +434,7 @@ var WilliamsPlatform = function(mainElement, proto) {
}
var WilliamsZ80Platform = function(mainElement) {
this.__proto__ = new WilliamsPlatform(mainElement, BaseZ80Platform);
this.__proto__ = new WilliamsPlatform(mainElement, BaseZ80Platform, false);
// Z80 @ 4 MHz
// also scale bitblt clocks
@ -443,7 +453,18 @@ var WilliamsZ80Platform = function(mainElement) {
}
}
var WilliamsDefenderPlatform = function(mainElement) {
this.__proto__ = new WilliamsPlatform(mainElement, null, true);
this.getMemoryMap = function() { return { main:[
{name:'NVRAM',start:0x400,size:0x200,type:'ram'},
{name:'Video RAM',start:0x0000,size:0xc000,type:'ram'},
{name:'I/O Registers',start:0xc000,size:0x1000,type:'io'},
{name:'ROM',start:0xd000,size:0x3000,type:'rom'},
] } };
}
PLATFORMS['williams'] = WilliamsPlatform;
PLATFORMS['williams-defender'] = WilliamsDefenderPlatform;
PLATFORMS['williams-z80'] = WilliamsZ80Platform;
// http://seanriddle.com/willhard.html