60 lines
1.6 KiB
JavaScript
60 lines
1.6 KiB
JavaScript
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var assert = require('assert');
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var fs = require('fs');
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var emu = require("gen/common/devices.js");
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var ZilogZ80 = require("gen/common/cpu/ZilogZ80.js");
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var testbin = fs.readFileSync('test/cli/z80/zexall.bin', null);
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var runall = false;
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describe('ZilogZ80', function() {
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it('Should pass functional tests', function() {
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assert.equal(8590, testbin.length);
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var mem = new Uint8Array(65536);
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mem.set(testbin, 0x100);
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var bus = {
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read: (a) => { return mem[a]; },
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write: (a,v) => { mem[a] = v; }
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};
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var iobus = {
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read: (a) => { return 0; },
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write: (a,v) => { }
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};
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mem[0] = 0xC3;
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mem[1] = 0x00;
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mem[2] = 0x01; // JP 0x100 CP/M TPA
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mem[5] = 0xC9; // Return from BDOS call
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var cpu = new ZilogZ80.Z80();
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cpu.connectMemoryBus(bus);
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cpu.connectIOBus(bus);
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cpu.reset();
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let cycles = 0;
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let finish = false;
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var maxcyc = runall ? 10000000000 : 10000000;
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for (var i=0; i<maxcyc; i++) {
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cycles += cpu.advanceInsn(1);
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var pc = cpu.getPC();
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if (pc == 0x5) { // BDOS call
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var regC = cpu.saveState().BC & 0xff;
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console.log(cycles, pc, regC);
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switch (regC) {
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case 0: // reset
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finish = true;
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break;
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case 9: // print
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var regDE = cpu.saveState().DE;
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var s = "";
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while (mem[regDE] != 0x24/*'$'*/) {
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s += String.fromCharCode(mem[regDE++] & 0x7f);
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}
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console.log(s);
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break;
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}
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}
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}
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console.log("runall", runall);
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assert.equal(finish, runall);
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});
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});
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