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author Vas Crabb <vas@vastheman.com>2017-06-27 04:01:05 +1000
committer Vas Crabb <vas@vastheman.com>2017-06-27 04:25:18 +1000
commit5ada035d175828c577d5912033ba2ce73f872055 (patch)
treef5bc7c07686172c7bdb49575fe5d2070cea4bcc0 /scripts/src/bus.lua
parent5ced18cf724ffd9d0e86bd7b1151cfbc61192b7a (diff)
Rewrote 4004 core and disassembler:
* Renamed to MCS-40. * Emulated 8-clock instruction cycle, interruptible at any point. * Converted TEST input to an input line. * Added SYNC and CM output lines. * Added support for 4040 CY output, logical operations, extended registers, ROM banking and disassembly. * Made I/O space mapping more flexible to support the variety of peripherals available. * Notable missing features are 4040 interrupt and halt, and "program memory" space.
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