Dec 162010

Phi2x updated his JavaScript Amstrad CPC emulator and did a major overhaul of the emulation engine. It is now a cycle-exact emulation which means that it is prepared for the latest games and demos. To use the emulator, just go to and let your browser do all the magic.

CPCBox changelog – 20101215:

– Major overhaul of the main loop and z80 emulation core, enabling precise video emulation.
– CRTC emulation beefed up (internal counters overflow, Type 1 specifics, …).
– Fixed Z80 R register bug on IRQ acknowledge.
– Fixed another IRQ acknowledge bug with DD/FD prefixed opcodes.
– Fixed flag calc in LD A,I and LD A,R instructions.

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