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1993-12-21
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767b
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27 lines
To Do (mainly in order of priority):
Search and destroy the existing bugs.
Fix "randomness" of flags; particularly Sign of Bit 7,s
testreq at GoLowBuf (?)
Undefined-opcode exception, and other possible uses of a general
exception handler call.
Optimisations for higher processors.
Better documentation on how to write instruction routines,
including full descriptions of the implementation-dependent
instructions (flags and such).
User patching of instructions.
Consider return upon Halt, pulling Z80 HALT line low.
Would that be a general exception, or a separate thing?
Implement interrupt mode 0? How then?
DMA-request to make sure external write to memory is between instructions?
(Simply use Exit? Slow, but...) This also a general exception?