diff options
Diffstat (limited to 'eater.ts')
| -rw-r--r-- | eater.ts | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/eater.ts b/eater.ts index 20af12a..683b23a 100644 --- a/eater.ts +++ b/eater.ts @@ -1,6 +1,7 @@ // deno-lint-ignore-file no-process-globals import The65c02 from "./65c02.ts"; import matrix from "./opcode_matrix.json" with { type: "json" }; +import { type Buffer } from "node:buffer"; // eater.ts // a runtime meant to mimic ben eater's 65c02 computer @@ -30,6 +31,8 @@ const binStart = 0; await cpu.loadInstructions() +cpu.stackPointer.set(0xff) + const code = Deno.readFileSync('a.out') // mem address $0000 @@ -52,13 +55,11 @@ cpu.io.reset.HI() let running = true; -process.stdin.on('data', (data) => { +process.stdin.on('data', (data: Buffer) => { if (data[0] == 3) return running = false; - // console.log(`uh`, data[0], data[0].toString(16)) ram[0x5000] = data[0]; ram[0x5001] = 0x08; - // cpu.io.interruptRequest.HI(); }) // repeat until the cpu requests an interrupt @@ -81,6 +82,9 @@ const clock = setInterval(() => { throw 'oh no'; } const instr = goog; + console.log(`\ + PC AC XR YR SP NV-BDIZC +6502: ${cpu.programCounter.num().toString(16).padStart(4, '0')} ${cpu.regA.num().toString(16).padStart(2, '0')} ${cpu.regX.num().toString(16).padStart(2, '0')} ${cpu.regY.num().toString(16).padStart(2, '0')} ${cpu.stackPointer.num().toString(16).padStart(2, '0')} ${cpu.stackPointer.num().toString(2).padStart(8, '0')}`) console.debug(cpu.programCounter.num().toString(16).padStart(4, '0'),instr.mnemonic, instr.mode) cpu.cycle(); // 1MHz i think |