Machine Type Register
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Revision as of 19:03, 14 August 2017 by wiki>Hyphz
| Number | 03 |
|---|---|
| Readable | No |
| Writable | Yes |
| Short Description | Identifies timing and machine type. |
Only valid in IPL or config mode.
| Bit | Function |
|---|---|
| 7 | Lock Timing |
| 6-4 | Timing. 000-001: ZX Spectrum 48k; 010: ZX Spectrum 128; 011: ZX Spectrum +3e; 100: Pentagon. |
| 3 | Reserved |
| 2-0 | Machine type. 000: Config mode; 001: ZX Spectrum 48k; 010: ZX Spectrum 128; 011: ZX Spectrum +3e; 100: Pentagon. |