PC Engine CPU

13 hours ago

PC Engine (TurboGrafx-16) CPU is an 8-bit HuC6280 based on 65C02, with a high clock speed of up to 7.16 MHz and limited instruction set compared to rivals.
Memory management includes an MMU for 21-bit physical address space via 8 KB pages, with 8 KB of working RAM and mapping conventions for I/O and cartridge ROM.
New instructions include block transfer (TAI, TDD, TIA, TII, TIN) for fast memory copying, and other additions like SET, BSR, and swap/clear instructions for enhanced operations.

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