54 Commits

Author	SHA1	Message	Date
jborza	6dec18dada	fixed ROR + added ROR tests	2019-05-07 15:39:43 +02:00
jborza	dc88cf14e6	fixed a bug setting the carry flag in ASL	2019-05-07 14:09:38 +02:00
jborza	4186df1468	RTI implementation fix - applying the status register	2019-05-04 16:03:54 +02:00
jborza	836a076d1c	fixed PHP flag handling + test	2019-05-04 14:11:39 +02:00
jborza	8754aaef9f	fixed flag handling (to none) in TXS	2019-05-01 23:30:46 +02:00
jborza	9c361533d0	fixed Z flag handling in AND, ORA, EOR	2019-05-01 23:15:43 +02:00
jborza	de70338f49	attempted to fix flag handling of PLP	2019-05-01 22:59:15 +02:00
jborza	5ae9274ab9	correct way to clear the B flag in PLP	2019-05-01 22:15:03 +02:00
jborza	adb70b62c3	fixed status register handling in PLP (bit 4 now not read)	2019-05-01 21:10:12 +02:00
jborza	2b52c43605	attempt to run nestest	2019-04-29 06:37:56 +02:00
jborza	6df5c3f7e6	fixed RTS	2019-04-27 19:22:06 +02:00
jborza	ddac9a14d0	memory function name refactoring (pop->fetch)	2019-04-27 13:57:47 +02:00
jborza	8b841b3227	refactored PHP, PLP, PLA	2019-04-27 13:18:28 +02:00
jborza	4ad8a47739	implemented the remaining branching instructions	2019-04-27 13:02:04 +02:00
jborza	2ddcf62212	fixed zero flag handling in LDA, LDX, LDY ... added BEQ+test split memory function to a separate module	2019-04-27 12:43:15 +02:00
jborza	a1259fa544	fixed the carry flag in SBC	2019-04-26 12:14:25 +02:00
jborza	eb1134b0da	changed initial stack pointer to 0xff in tests ... fixed pop_word_from_stack	2019-04-26 11:24:49 +02:00
jborza	1e5809e72f	Merge branch 'master' of https://github.com/jborza/emu6502	2019-04-26 10:45:06 +02:00
jborza	e40450a740	SBC tests and code fix	2019-04-26 10:44:57 +02:00
jborza	a4bc64ec43	JSR and RTS	2019-04-26 07:22:42 +02:00
jborza	b53eef7d91	fixed ADC tests	2019-04-22 10:17:26 +02:00
jborza	1845eb4692	BIT implementation + tests ... ADC, SBC fixes	2019-04-21 15:31:53 +02:00
jborza	f5fd1d21c5	implemented the overflow flag for ADC and SBC	2019-04-21 09:38:38 +02:00
jborza	80d7e2efea	ADC implementation (without the overflow flag, as on SBC)	2019-04-21 09:28:07 +02:00
jborza	a11d260f98	implemented ROR	2019-04-20 08:49:28 +02:00
jborza	a4a56ddc9f	ROL implementation	2019-04-19 11:55:17 +02:00
jborza	2d86c1df28	LSR implementation	2019-04-19 11:44:20 +02:00
jborza	411d4e8241	implemented SBC, ASL	2019-04-19 11:38:52 +02:00
jborza	1c4e2f45b5	added tests for CPX, CPY	2019-04-19 10:36:14 +02:00
jborza	df2f125588	fixed pop_byte_from_stack, fixed JMP_IND, added tests for CMP	2019-04-19 10:34:07 +02:00
jborza	285bb840af	JMP + tests, PHP_PLP tests	2019-04-17 19:46:56 +02:00
jborza	e6a8c7934c	PHA, PLA, TXS, TYS, TSX, TSY + tests	2019-04-16 22:46:28 +02:00
jborza	86dd2eaf99	STA (without tests)	2019-04-16 00:09:55 +02:00
jborza	891bb328a4	EOR + tests	2019-04-16 00:03:48 +02:00
jborza	1ebb7da6c3	CLC, SEC, CLD, SEC, CLI, SEI, CLV + tests	2019-04-15 23:44:07 +02:00
jborza	99eee8b5f4	INC, DEC + tests	2019-04-15 23:34:21 +02:00
jborza	c8824992c6	implemented TAX,TXA,TAY,TYA, DEX, DEY, INX, INY	2019-04-14 23:40:53 +02:00
jborza	c034141ee5	STX, STY + tests	2019-04-14 23:05:37 +02:00
jborza	43d3d11f31	LDY instruction + tests	2019-04-14 22:20:32 +02:00
jborza	d0af0057b7	LDX implementation	2019-04-14 22:04:16 +02:00
jborza	4bfeb62112	AND_INDX and AND_INDY implemented	2019-04-14 21:25:23 +02:00
jborza	8dcea919ed	AND instructions and tests	2019-04-14 20:45:24 +02:00
jborza	555568c10b	added stubs for missing instructions to cpu	2019-04-14 15:15:15 +02:00
jborza	6dfa71c5dc	fixed ORA_INDX and ORA_INDY	2019-04-14 15:08:29 +02:00
jborza	da24007a36	code cleanup	2019-04-14 13:24:02 +02:00
jborza	65f7f959f9	introduced test6502 module for tests	2019-04-14 12:39:56 +02:00
jborza	8f218de40d	re-enabled tests	2019-04-14 11:55:35 +02:00
jborza	d4bbfaba95	LDA_INDX and LDA_INDY implementation + test	2019-04-14 11:49:24 +02:00
jborza	f47fed9d33	LDA + simple tests	2019-04-14 10:57:25 +02:00
jborza	686ba9b601	ORA indirect	2019-04-14 09:38:09 +02:00