 Ben Kurtovic
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1942d797aa
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Implement more instructions, mainly bit-shifting.
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vor 8 Jahren |
|
Ben Kurtovic
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fdda540d26
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Refactor flag setting code; implement more instructions.
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vor 8 Jahren |
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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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vor 8 Jahren |
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Ben Kurtovic
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d6d3b60b3e
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Fix a couple assembler bugs involving obscure instructions.
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vor 8 Jahren |
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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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vor 8 Jahren |
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Ben Kurtovic
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42690f9380
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Implement more instructions.
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vor 8 Jahren |
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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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vor 8 Jahren |
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Ben Kurtovic
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34c9e778b5
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Add stubs for PSG.
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vor 8 Jahren |
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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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vor 8 Jahren |
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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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vor 8 Jahren |
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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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vor 8 Jahren |
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Ben Kurtovic
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1b48fbe6a2
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Add Z80 INT support and VDP frame interrupts.
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vor 8 Jahren |
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Ben Kurtovic
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1227d7caa5
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Add VDP register parsing and dumping.
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vor 8 Jahren |
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Ben Kurtovic
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3b12d5cd12
|
Refactor emulator control. Add callback for SDL.
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vor 8 Jahren |
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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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vor 8 Jahren |
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Ben Kurtovic
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06b7dfaca3
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Implement CRAM, some more loads and arithmetic operations.
|
vor 8 Jahren |
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Ben Kurtovic
|
1cc4f06b89
|
LDI; LDD; LDIR; LDDR
|
vor 8 Jahren |
|
Ben Kurtovic
|
da5765a3c7
|
PUSH/POP IX/Y; DJNZ; LD (HL), r
|
vor 8 Jahren |
|
Ben Kurtovic
|
61c104a0f3
|
Rework timing system for VDP scanlines; flesh out more VDP logic.
|
vor 8 Jahren |
|
Ben Kurtovic
|
a09242ac29
|
Some refactoring wrt I/O; start work on VDP.
|
vor 8 Jahren |
|
Ben Kurtovic
|
3ca7f26aa0
|
Stub out port reads/writes; RETN; RST.
|
vor 8 Jahren |
|
Ben Kurtovic
|
a167e9dcd7
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RET; IN/OUT r/(C), (C)/r; INI/D; INI/DR; OUTI/D; OTI/DR; NOP2
|
vor 8 Jahren |
|
Ben Kurtovic
|
1efe2b579d
|
Add POP; fix bugs involving relative jumps and PUSH.
|
vor 8 Jahren |
|
Ben Kurtovic
|
3381c36c89
|
PUSH
|
vor 8 Jahren |
|
Ben Kurtovic
|
8de5117a49
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mmu_write_double, stack_push; LD (HL), n; JR; CALL
|
vor 8 Jahren |
|
Ben Kurtovic
|
c2a52194a8
|
CP, IN, OUT, JP cc; stub out port functions.
|
vor 8 Jahren |
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Ben Kurtovic
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7c6d58fd6b
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XOR r; LD (nn, A)
|
vor 8 Jahren |
|
Ben Kurtovic
|
deb9943b1c
|
Split off jump table; implement IM and JP nn.
|
vor 8 Jahren |
|
Ben Kurtovic
|
bec5bbc85c
|
Add smart padding for disassembled bytes.
|
vor 8 Jahren |
|
Ben Kurtovic
|
ff25c1d436
|
Nicer bytestring formatting in disassembly.
|
vor 8 Jahren |
|
Ben Kurtovic
|
b504b7c888
|
Include memory addresses in disassembly comments.
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vor 8 Jahren |
|
Ben Kurtovic
|
c53de6f4c5
|
Fix alignment in disassembler-generated .rom_size directive.
|
vor 8 Jahren |
|
Ben Kurtovic
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6e69d09d68
|
Disassemble code in firxt 0x1000 bytes as a test.
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vor 8 Jahren |
|
Ben Kurtovic
|
da2a767459
|
Fix a broken jump argument; use hex for ports.
|
vor 8 Jahren |
|
Ben Kurtovic
|
1818c1eede
|
Fix assembler bugs in "ex af, af'" and "ex (sp), hl".
|
vor 8 Jahren |
|
Ben Kurtovic
|
0e0c81589f
|
(Very basic) working disassembler.
|
vor 8 Jahren |
|
Ben Kurtovic
|
fb9d6e1b2b
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Work on ROM file (i.e., non-inline) disassembler.
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vor 8 Jahren |
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Ben Kurtovic
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962171b7ee
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Store a few extra header fields in the ROM struct; typo fix.
|
vor 8 Jahren |
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Ben Kurtovic
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4047d6e3f4
|
Fill out instruction argument tables.
|
vor 8 Jahren |
|
Ben Kurtovic
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43e641fabd
|
Finish argument immediate decoding.
|
vor 8 Jahren |
|
Ben Kurtovic
|
610f9cf549
|
Start filling out argument decoder table; make things const.
|
vor 8 Jahren |
|
Ben Kurtovic
|
dd83c7bddf
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Start working on argument disassembler.
|
vor 8 Jahren |
|
Ben Kurtovic
|
89d3d65cde
|
Finish mnemonics; shorten size tables.
|
vor 8 Jahren |
|
Ben Kurtovic
|
643b0184d7
|
Implement more load instructions; bugfixes.
|
vor 8 Jahren |
|
Ben Kurtovic
|
bbb3fc3744
|
Don't trace previous instruction multiple times
|
vor 8 Jahren |
|
Ben Kurtovic
|
0acd77f6ae
|
Fix shadow registers.
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vor 8 Jahren |
|
Ben Kurtovic
|
560eceeedf
|
EXX, DI, EI, HALT
|
vor 8 Jahren |
|
Ben Kurtovic
|
ba701545b2
|
Fix assembler bug involving extended immediates.
|
vor 8 Jahren |
|
Ben Kurtovic
|
cf1985bee9
|
Implement more load instructions.
|
vor 8 Jahren |
|
Ben Kurtovic
|
6ba2ec6645
|
Fill single-opcode mnemonics.
|
vor 8 Jahren |
