diff options
Diffstat (limited to '65c02.ts')
| -rw-r--r-- | 65c02.ts | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/65c02.ts b/65c02.ts index 2f9a978..4329664 100644 --- a/65c02.ts +++ b/65c02.ts @@ -12,6 +12,8 @@ export class BitField { this.bits[bit] = value; } set(value: number) { + // if (this.num() == 259 && value == 0) + // throw new Error('debug') for (let bit = 0; bit < this.bits.length; bit++) { const mask: number = 1 << bit; this.setBit(bit, (value & mask) != 0) @@ -39,6 +41,7 @@ export class Register<T=number> extends BitField { this.set(value) } increment(): number { + console.log('inc', this.num(), '->', this.num() + 1) this.set(this.num() + 1); return this.num() } @@ -65,14 +68,22 @@ export class Pin { } export class IO { - data: BitField = new BitField(8); - address: BitField = new BitField(16); - busEnable: Pin = new Pin(); - NMI: Pin = new Pin(); - ready: Pin = new Pin(true); - reset: Pin = new Pin(true); - readWrite: Pin = new Pin(); - interruptRequest: Pin = new Pin(); + private _data: BitField = new BitField(8); + private _address: BitField = new BitField(16); + private _busEnable: Pin = new Pin(); + private _NMI: Pin = new Pin(); + private _ready: Pin = new Pin(true); + private _reset: Pin = new Pin(true); + private _readWrite: Pin = new Pin(); + private _interruptRequest: Pin = new Pin(); + get data() {return this._data} + get address() {return this._address} + get busEnable() {return this._busEnable} + get NMI() {return this._NMI} + get ready() {return this._ready} + get reset() {return this._reset} + get readWrite() {return this._readWrite} + get interruptRequest() {return this._interruptRequest} } /** @@ -111,7 +122,7 @@ export default class The65c02 { read: () => void; write: () => void; readPC(): BitField { - this.io.address = this.programCounter; + this.io.address.set(this.programCounter.num()); this.read() return this.io.data; } @@ -154,7 +165,7 @@ export default class The65c02 { throw `not found ${instruction}` if (!this.instructions[opm[instruction].mnemonic]) throw `not implement, sowwy (${opm[instruction].mnemonic}.ts not found)`; - console.debug(opm[instruction].mnemonic, opm[instruction].mode) + console.debug(this.programCounter.num().toString(16).padStart(4, '0'),opm[instruction].mnemonic, opm[instruction].mode) this.instructions[opm[instruction].mnemonic].call(this, opm[instruction].mode); } //SECTION - utils |