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8bitworkshop/test/cli/z80/z80test.js
2018-06-24 02:24:29 -04:00

241 lines
6.3 KiB
JavaScript

"use strict";
if (true) {
global.window = global;
require('../../../src/cpu/z80.js');
var _global = window;
_global.buildZ80({
applyContention: true
});
} else {
var wtu = require('../workertestutils.js');
global.includeInThisContext('src/cpu/z80fast.js');
var _global = {Z80:Z80_fast};
}
var Memory = function(dump) {
var self = {};
var mem;
var initialMem;
self.clear = function() {
mem = new Uint8Array(0x10000);
for (var i = 0; i < 0x10000; i += 4) {
mem[i] = 0xde; mem[i+1] = 0xad; mem[i+2] = 0xbe; mem[i+3] = 0xef;
}
initialMem = new Uint8Array(0x10000);
for (var i = 0; i < 0x10000; i += 4) {
initialMem[i] = 0xde; initialMem[i+1] = 0xad; initialMem[i+2] = 0xbe; initialMem[i+3] = 0xef;
}
}
self.isContended = function(addr) {
return ((addr & 0xc000) == 0x4000);
}
self.contend = function(addr, tstate) {
if (self.oncontend) self.oncontend(addr);
return 0;
}
self.read = function(addr) {
var val = mem[addr];
if (self.onread) self.onread(addr, val);
return val;
}
self.write = function(addr, val) {
mem[addr] = val;
if (self.onwrite) self.onwrite(addr, val);
}
self.initialWrite = function(addr, val) {
mem[addr] = val;
initialMem[addr] = val;
}
self.dump = function() {
for (var i = 0; i < mem.length; i++) {
if((initialMem[i]) != (mem[i])) {
var changeReport = hexWord(i);
while ((initialMem[i]) != (mem[i]) && i < mem.length) {
changeReport += ' ' + hexByte(mem[i]);
i++;
}
dump(changeReport + ' -1');
}
}
}
return self;
}
var IOBus = function() {
var self = {};
self.read = function(addr) {
var val = addr >> 8;
if (self.onread) self.onread(addr, val);
return val;
}
self.write = function(addr, val) {
if (self.onwrite) self.onwrite(addr, val);
}
self.isULAPort = function(addr) {
return ((addr & 0x0001) == 0x0000);
}
self.contend = function(addr) {
if (self.oncontend) self.oncontend(addr);
return 0;
}
return self;
}
function runTest(input, expected) {
var output = "";
function dump(line) {
output += line + "\n";
}
var memory = Memory(dump);
var ioBus = IOBus();
var z80 = _global.Z80({
display: {},
memory: memory,
ioBus: ioBus
});
memory.oncontend = function(addr) {
dump((' ' + z80.getTstates()).substr(-5) + ' MC ' + hexWord(addr));
}
memory.onread = function(addr, val) {
dump((' ' + z80.getTstates()).substr(-5) + ' MR ' + hexWord(addr) + ' ' + hexByte(val));
}
memory.onwrite = function(addr, val) {
dump((' ' + z80.getTstates()).substr(-5) + ' MW ' + hexWord(addr) + ' ' + hexByte(val));
}
ioBus.onread = function(addr, val) {
dump((' ' + z80.getTstates()).substr(-5) + ' PR ' + hexWord(addr) + ' ' + hexByte(val));
}
ioBus.onwrite = function(addr, val) {
dump((' ' + z80.getTstates()).substr(-5) + ' PW ' + hexWord(addr) + ' ' + hexByte(val));
}
ioBus.oncontend = function(addr) {
dump((' ' + z80.getTstates()).substr(-5) + ' PC ' + hexWord(addr));
}
var lines = input.split("\n");
var mainRegs = lines[1].split(/\s+/); /* AF BC DE HL AF' BC' DE' HL' IX IY SP PC */
var af = parseInt(mainRegs[0], 16); z80.setAF(af);
var bc = parseInt(mainRegs[1], 16); z80.setBC(bc);
var de = parseInt(mainRegs[2], 16); z80.setDE(de);
var hl = parseInt(mainRegs[3], 16); z80.setHL(hl);
var af_ = parseInt(mainRegs[4], 16); z80.setAF_(af_);
var bc_ = parseInt(mainRegs[5], 16); z80.setBC_(bc_);
var de_ = parseInt(mainRegs[6], 16); z80.setDE_(de_);
var hl_ = parseInt(mainRegs[7], 16); z80.setHL_(hl_);
var ix = parseInt(mainRegs[8], 16); z80.setIX(ix);
var iy = parseInt(mainRegs[9], 16); z80.setIY(iy);
z80.setSP(parseInt(mainRegs[10], 16));
z80.setPC(parseInt(mainRegs[11], 16));
var otherRegs = lines[2].split(/\s+/); /* I R IFF1 IFF2 IM <halted> <tstates> */
z80.setI(parseInt(otherRegs[0], 16));
z80.setR(parseInt(otherRegs[1], 16));
z80.setIFF1(parseInt(otherRegs[2], 16));
z80.setIFF2(parseInt(otherRegs[3], 16));
z80.setIM(parseInt(otherRegs[4], 16));
z80.setHalted(otherRegs[5] == '1');
var runTime = parseInt(otherRegs[6]);
memory.clear();
for (var j=3; j<lines.length; j++) {
var memLine = lines[j];
var memWrites = memLine.split(/\s+/);
var addr = parseInt(memWrites.shift(), 16);
for (var i = 0; i < memWrites.length; i++) {
var byte = memWrites[i];
if (byte != '-1') {
memory.initialWrite(addr++, parseInt(byte, 16));
}
}
}
dump(lines[0]);
z80.setTstates(0);
z80.runFrame(runTime);
/* AF BC DE HL AF' BC' DE' HL' IX IY SP PC */
dump(
hexWord(z80.getAF()) + ' '
+ hexWord(z80.getBC()) + ' '
+ hexWord(z80.getDE()) + ' '
+ hexWord(z80.getHL()) + ' '
+ hexWord(z80.getAF_()) + ' '
+ hexWord(z80.getBC_()) + ' '
+ hexWord(z80.getDE_()) + ' '
+ hexWord(z80.getHL_()) + ' '
+ hexWord(z80.getIX()) + ' '
+ hexWord(z80.getIY()) + ' '
+ hexWord(z80.getSP()) + ' '
+ hexWord(z80.getPC())
);
/* I R IFF1 IFF2 IM <halted> <tstates> */
dump(
hexByte(z80.getI()) + ' ' + hexByte(z80.getR()) + ' '
+ z80.getIFF1() + ' ' + z80.getIFF2() + ' ' + z80.getIM() + ' ' + (z80.getHalted() ? '1' : '0') + ' ' + z80.getTstates()
)
/* dump memory state */
memory.dump();
dump('');
return output;
}
function hexByte(num) {
return ('00' + num.toString(16)).substr(-2);
}
function hexWord(num) {
return ('0000' + num.toString(16)).substr(-4);
}
///
var fs = require('fs');
var assert = require('assert');
var testsIn = fs.readFileSync('test/cli/z80/tests.in', {encoding:'utf8'}).split('\n\n');
var testsExpected = fs.readFileSync('test/cli/z80/tests.expected', {encoding:'utf8'}).split('\n\n');
assert(testsIn.length == testsExpected.length);
function benchmark(cycles) {
var memory = Memory(function() { });
var ioBus = IOBus();
var z80 = _global.Z80({
display: {},
memory: memory,
ioBus: ioBus
});
memory.clear();
for (var i=0; i<0x10000; i++)
memory.write(i, i&0xff);
z80.setTstates(0);
z80.runFrame(cycles);
console.log(z80.saveState());
}
if (global.describe) {
describe('Z80 CPU', function() {
it('should execute test cases', function() {
for (var iter=0; iter<testsIn.length; iter++) {
var fn = function(index, input, expected) {
var output = runTest(input);
assert.equal(output.trim(), expected.trim());
}.call(this, iter, testsIn[iter], testsExpected[iter]);
}
});
it('should run 1M cycles', function() {
benchmark(1164770);
});
});
} else {
benchmark(100*1000000);
}