 Ben Kurtovic
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fdda540d26
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Refactor flag setting code; implement more instructions.
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8 lat temu |
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Ben Kurtovic
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67e3133f14
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Fix a bug in VDP control port writes; rename 'last_index' to 'regs.ixy'.
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8 lat temu |
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Ben Kurtovic
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05b0bbe523
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Make Z80 register pairs friendlier. Implement more instructions.
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8 lat temu |
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Ben Kurtovic
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42690f9380
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Implement more instructions.
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8 lat temu |
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Ben Kurtovic
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c14ad04c48
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Simplify and fix index bit instructions in disassembler.
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8 lat temu |
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Ben Kurtovic
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80e361c111
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More instructions, mainly index-related; tweaks.
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8 lat temu |
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Ben Kurtovic
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df3277a2b6
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Fix bugs in BIT; add trace for IRQ; make MMU mapping logs trace-level.
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8 lat temu |
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Ben Kurtovic
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53c0757362
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Implement an assorted bunch of instructions.
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8 lat temu |
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Ben Kurtovic
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cbc1d7f02d
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EX; more bitwise/arithmetic ops; bugfixes.
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8 lat temu |
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Ben Kurtovic
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06b7dfaca3
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Implement CRAM, some more loads and arithmetic operations.
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8 lat temu |
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Ben Kurtovic
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1cc4f06b89
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LDI; LDD; LDIR; LDDR
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8 lat temu |
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Ben Kurtovic
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da5765a3c7
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PUSH/POP IX/Y; DJNZ; LD (HL), r
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8 lat temu |
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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 lat temu |
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Ben Kurtovic
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a167e9dcd7
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RET; IN/OUT r/(C), (C)/r; INI/D; INI/DR; OUTI/D; OTI/DR; NOP2
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8 lat temu |
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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 lat temu |
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Ben Kurtovic
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3381c36c89
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PUSH
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8 lat temu |
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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 lat temu |
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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 lat temu |
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Ben Kurtovic
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7c6d58fd6b
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XOR r; LD (nn, A)
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8 lat temu |
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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 lat temu |
|
Ben Kurtovic
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643b0184d7
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Implement more load instructions; bugfixes.
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8 lat temu |
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Ben Kurtovic
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560eceeedf
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EXX, DI, EI, HALT
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8 lat temu |
|
Ben Kurtovic
|
cf1985bee9
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Implement more load instructions.
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8 lat temu |
|
Ben Kurtovic
|
e66b158aa9
|
Copyright year bumps; minor tweaks.
|
8 lat temu |
|
Ben Kurtovic
|
7765457495
|
Use nicer array initializer for Z80 ops.
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9 lat temu |
|
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 lat temu |
|
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 lat temu |
|
Ben Kurtovic
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03066c54eb
|
Implement INC ss.
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9 lat temu |
|
Ben Kurtovic
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8e413e7a5e
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Start implementing Z80 instructions.
|
9 lat temu |
|
Ben Kurtovic
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274b2eaa93
|
Stub out MMU functions, opcodes; const fixes.
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9 lat temu |
|
Ben Kurtovic
|
b21e0ed35a
|
Add full exception handling logic.
|
9 lat temu |
