|
- const mos6502 = require("./src/chip/MOS6502");
- const Bank = require("./src/common/bank.js");
-
- function toHex(v){
- let r = v.toString(16);
- return (r.length < 2) ? "0" + r : r;
- }
-
- function printBytes(b, acc){
- var out = "";
- for (let i=0; i < b.length; i++){
- if (i % acc === 0 && out !== ""){
- console.log(out);
- out = ""
- } else {
- out += toHex(b[i]) + " ";
- }
- }
- console.log(out);
- }
-
- var asm = new mos6502.Assembler();
- var cpu = new mos6502.CPU();
- cpu.memory = new Bank(65536);
- cpu.memory.clear();
- var tick = cpu.clk();
-
- var src = "SEC\n";
- src += "CLV\n";
- src += "CLD\n";
- src += "CLI\n";
- src += "LDA #$00\n";
- src += "SBC #$01\n";
- src += "CLC\n";
- src += "ADC #$01";
-
-
- var res = asm.compile(src).result();
- printBytes(res, 16);
-
- cpu.memory.load(0, res);
- var page = [];
- for (let i = 0; i < 256; i++){
- cpu.memory.address = i;
- page.push(cpu.memory.byte);
- }
- printBytes(page, 16);
- cpu.reset();
-
- //console.log(cpu.PC);
- //return;
- tick(); tick();
- tick(); tick();
- tick(); tick();
- tick(); tick();
- tick(); tick();
- console.log("A: " + cpu.A);
- tick(); tick();
- console.log("A: " + cpu.A);
- tick(); tick();
- tick(); tick();
- console.log("A: " + cpu.A);
|