emu_nes - An NES emulator for learning how the 6502 and similar computers of the era worked

Age	Commit message (Expand)	Author	Files	Lines
2026-02-01	add incomplete ppuHEAD master	Vineet Kumar	1	-0/+5
2024-09-01	add basic implementation of ppu write registers	vin	2	-17/+83
2024-09-01	add basic ppu register reading	vin	3	-6/+75
2024-09-01	start working on ppu	vin	2	-0/+39
2024-09-01	add preliminary apu register support	vin	4	-4/+171
2024-08-31	add shell.nix to get dependencies easily	vin	1	-0/+6
2024-08-21	added snippet explaining the NES's 6502 variant and long-term goal for the pr...	vin	1	-2/+12
2024-08-21	update README	vin	1	-2/+15
2024-07-21	rename struct Rom to struct rom	vin	4	-10/+8
2024-07-21	start implementing PPU	vin	4	-6/+64
2024-07-21	add CFLAGS	vin	1	-1/+3
2024-07-20	fix rest of logging format issues	vin	1	-3/+7
2024-07-20	fix status flag bug in ASL and ROL	vin	1	-2/+3
2024-07-20	replace tabs with spaces to better match nestest.log	vin	1	-20/+43
2024-07-07	fix warnings and move cpu registers+flags to header	vin	2	-23/+28
2024-07-04	add nestest.nes and log that was used for testing the CPU	vin	2	-0/+8991
2024-07-04	implement all of the nestest unofficial opcodes and fix branch cycles	vin	3	-45/+46
2024-07-04	add preliminary implementation of the unofficial opcodes	vin	3	-88/+111
2024-07-04	start implementing unofficial opcodes	vin	3	-153/+434
2024-07-04	achieve cycle accuracy for official opcodes	vin	2	-156/+174
2024-07-03	finalize trace logging to match nestest.log minus PPU cycles	vin	2	-61/+65
2024-07-03	improve branching cycle accuracy	vin	1	-16/+23
2024-07-03	fix SBC bug in the rewrite and improve logging	vin	2	-212/+182
2024-07-03	call opcode function pointer instead of using switch case	vin	2	-1424/+325
2024-06-30	start refactoring opcode defs into an array	vin	3	-16/+248
2024-06-30	combine macro for updating N and Z status flags	vin	1	-54/+30
2024-06-30	fix alignment of logging with ABS_X and ZP_X	vin	1	-2/+2
2024-06-30	fix indirect JMP bug where the high byte does not increment out of page	vin	1	-3/+4
2024-06-30	fix incorrect argument for INC	vin	1	-2/+1
2024-06-30	rename README to README.md	vin	1	-0/+0
2024-06-30	fix incorrect argument for ASL and LSR	vin	1	-6/+6
2024-06-30	fix JSR, RTS, and RTI	vin	1	-3/+3
2024-06-30	change SBC to be ADC with one's complement instead of two's	vin	1	-3/+5
2024-06-29	fix status flag ordering shenanigans	vin	1	-23/+33
2024-06-29	fix ADC bug where V is calculated with new A instead of old A	vin	1	-1/+2
2024-06-28	fix status register to match nestest	vin	1	-6/+8
2024-06-28	improve logging and JMP indirect	vin	1	-136/+503
2024-06-28	fix more bugs	vin	1	-46/+7
2024-06-28	fix JSR and RTS bug	vin	1	-4/+4
2024-06-28	start logging instructions as nestest.log has done	vin	3	-31/+201
2024-06-17	start fixing bugs with memory access	vin	1	-10/+10
2024-06-17	implement basic iNES and Mapper 0 ROM loading	vin	3	-13/+122
2024-06-16	replace bit comparisons with 0 from greater than to not equal	vin	1	-13/+13
2024-06-11	add memory mirroring for system and ppu memory	vin	1	-0/+14
2024-06-11	add separate implied/accumulator functions for certain opcodes	vin	1	-25/+78
2024-06-11	remove opcode json converter helper scripts	vin	2	-70/+0
2024-06-10	add jsr, rti, rts	vin	1	-7/+16
2024-06-10	implement untested most of stack-related opcodes	vin	1	-66/+57
2024-06-10	add lsr, rol, ror	vin	1	-3/+24
2024-06-10	implement tay, txa, tya	vin	1	-3/+12