 Ben Kurtovic
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da5765a3c7
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PUSH/POP IX/Y; DJNZ; LD (HL), r
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8 years ago |
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Ben Kurtovic
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61c104a0f3
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Rework timing system for VDP scanlines; flesh out more VDP logic.
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8 years ago |
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Ben Kurtovic
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a09242ac29
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Some refactoring wrt I/O; start work on VDP.
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8 years ago |
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Ben Kurtovic
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3ca7f26aa0
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Stub out port reads/writes; RETN; RST.
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8 years ago |
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Ben Kurtovic
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1efe2b579d
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Add POP; fix bugs involving relative jumps and PUSH.
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8 years ago |
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Ben Kurtovic
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8de5117a49
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mmu_write_double, stack_push; LD (HL), n; JR; CALL
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8 years ago |
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Ben Kurtovic
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c2a52194a8
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CP, IN, OUT, JP cc; stub out port functions.
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8 years ago |
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Ben Kurtovic
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deb9943b1c
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Split off jump table; implement IM and JP nn.
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8 years ago |
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Ben Kurtovic
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ff25c1d436
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Nicer bytestring formatting in disassembly.
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8 years ago |
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Ben Kurtovic
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43e641fabd
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Finish argument immediate decoding.
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8 years ago |
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Ben Kurtovic
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643b0184d7
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Implement more load instructions; bugfixes.
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8 years ago |
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Ben Kurtovic
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bbb3fc3744
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Don't trace previous instruction multiple times
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8 years ago |
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Ben Kurtovic
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0acd77f6ae
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Fix shadow registers.
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8 years ago |
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Ben Kurtovic
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cf1985bee9
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Implement more load instructions.
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8 years ago |
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Ben Kurtovic
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235e4c7cff
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Begin work on disassembler; extend tracing.
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8 years ago |
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Ben Kurtovic
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a74c4ab405
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Refactor debug logging as distinct from dev build; add tracing.
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8 years ago |
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Ben Kurtovic
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2e2e5d6216
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Split off some of instructions into inst_support; fix z80 errors.
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9 years ago |
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Ben Kurtovic
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e74daecb81
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Print out decimal register values too; add more tests.
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9 years ago |
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Ben Kurtovic
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989d4938af
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Fix cycle timing.
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9 years ago |
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Ben Kurtovic
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0a61a4c8b0
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Rename z80_instructions.inc.c to z80_ops.inc.c
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9 years ago |
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Ben Kurtovic
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c1f33cd530
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Rename .inc to .inc.c; add support to makefile.
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9 years ago |
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Ben Kurtovic
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03066c54eb
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Implement INC ss.
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9 years ago |
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Ben Kurtovic
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8e413e7a5e
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Start implementing Z80 instructions.
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9 years ago |
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Ben Kurtovic
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fcf8b201cc
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Increment the R register on memory refresh.
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9 years ago |
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Ben Kurtovic
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274b2eaa93
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Stub out MMU functions, opcodes; const fixes.
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9 years ago |
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Ben Kurtovic
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b21e0ed35a
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Add full exception handling logic.
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9 years ago |
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Ben Kurtovic
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443fb46beb
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Add signal handling, plus basic instruction fetch logic.
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9 years ago |
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Ben Kurtovic
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a202baa3a6
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Add proper timing code, etc.
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9 years ago |
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Ben Kurtovic
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4127f2eb5d
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Add registers to Z80, plus some skeleton code.
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9 years ago |
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Ben Kurtovic
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f20535c464
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Update copyright for 2015; makefile updates.
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9 years ago |
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Ben Kurtovic
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4ac596fd88
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Add to README, finish makefile; project structure.
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10 years ago |
