 Ben Kurtovic
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e8fe5e4797
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Implement some missing graphics features (fixes #4)
* Sprite collision flag
* Background tile priority flag
* Display blank flag
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7 years ago |
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Ben Kurtovic
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58540ff2f5
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Add support for BIOS.
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7 years ago |
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Ben Kurtovic
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829680032d
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CLI: have -s be --save instead of --scale; use -x for --scale.
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7 years ago |
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Ben Kurtovic
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a0c12d019d
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Add support for saved game files for cart RAM (fixes #3)
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7 years ago |
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Ben Kurtovic
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d5f9c6950c
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Add support for on-cartridge RAM (#3)
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7 years ago |
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Ben Kurtovic
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ef4942e24d
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Smaller image.
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8 years ago |
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Ben Kurtovic
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e6c92fd38b
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Minor cleanup; expand docs.
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8 years ago |
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Ben Kurtovic
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3991633ad2
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Vsync solves most of the screen tearing issues.
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8 years ago |
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Ben Kurtovic
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42b09e5b93
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Fix some broken timing.
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8 years ago |
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Ben Kurtovic
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10a37ff3bd
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Implement RRD/RLD
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8 years ago |
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Ben Kurtovic
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6f1b1a461b
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Add some extra key mappings; docs on keys.
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8 years ago |
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Ben Kurtovic
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af6857eccc
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Fix sprite end code.
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8 years ago |
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Ben Kurtovic
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e48d7daa0d
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Add button input; fix background scrolling bug.
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8 years ago |
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Ben Kurtovic
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2b24c9340c
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Sprite rendering, mostly.
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8 years ago |
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Ben Kurtovic
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daac49e3d7
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Implement SET/RES for IX/IY.
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8 years ago |
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Ben Kurtovic
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51258e724f
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CCF, SCF, DAA; bugfixes.
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8 years ago |
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Ben Kurtovic
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5a8063315d
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BIT, RES, CPL; add missing opcode docs.
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8 years ago |
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Ben Kurtovic
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26dcf57f1b
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Flesh out system ports; clean up IO; stubs.
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8 years ago |
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Ben Kurtovic
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4431f29005
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Add VDP line interrupts; fix bugs; refactor flags.
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8 years ago |
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Ben Kurtovic
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af58cedce3
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Fix assorted bugs.
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8 years ago |
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Ben Kurtovic
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1d604d774b
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Cleanup VDP debug code; don't enable IRQ until one instr past EI.
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8 years ago |
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Ben Kurtovic
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56580d7392
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Implement NEG and some bugfixes.
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8 years ago |
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Ben Kurtovic
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e4bbc8709f
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Clean up VDP background code.
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8 years ago |
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Ben Kurtovic
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cbe14eadcd
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Refactor: pass the entire Config object to the emulator.
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8 years ago |
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Ben Kurtovic
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de2cf71068
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Clean up and refactor.
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8 years ago |
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Ben Kurtovic
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a69328a234
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Add buggy SDL rendering, background drawing.
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8 years ago |
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Ben Kurtovic
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1942d797aa
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Implement more instructions, mainly bit-shifting.
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8 years ago |
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Ben Kurtovic
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fdda540d26
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Refactor flag setting code; implement more instructions.
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8 years ago |
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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 years ago |
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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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8 years ago |
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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 years ago |
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Ben Kurtovic
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42690f9380
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Implement more instructions.
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8 years ago |
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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 years ago |
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Ben Kurtovic
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34c9e778b5
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Add stubs for PSG.
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8 years ago |
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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 years ago |
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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 years ago |
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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 years ago |
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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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8 years ago |
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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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8 years ago |
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Ben Kurtovic
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3b12d5cd12
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Refactor emulator control. Add callback for SDL.
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8 years ago |
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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 years ago |
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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 years ago |
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Ben Kurtovic
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1cc4f06b89
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LDI; LDD; LDIR; LDDR
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8 years ago |
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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 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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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 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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3381c36c89
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PUSH
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8 years ago |
