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8377d8c009
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Author SHA1 Message Date
Preston Skupinski
8377d8c009 added JSR absolute indexed x indirect 2011-06-12 19:37:07 -04:00
Preston Skupinski
a9e15285cb added JMP absolute indexed x indirect 2011-06-12 18:54:16 -04:00
Preston Skupinski
26fddd8943 added WDM 2011-06-09 20:24:05 -04:00
Preston Skupinski
eff69c28bc added JMP absolute long and JMP absolute indirect long 2011-06-09 20:01:36 -04:00
Preston Skupinski
fe0117a1e0 the cpu object is now passed as the first argument to memory mapped io device interaction functions 2011-06-04 11:36:20 -04:00
Preston Skupinski
a0b9497eb4 added TXS and TSX 2011-06-01 13:17:03 -04:00
Preston Skupinski
4f98a754b7 added TRB and both addressing modes for it 2011-06-01 13:01:16 -04:00
Preston Skupinski
48c6fe5cf9 added TSB and both addressing modes for it 2011-05-30 19:55:59 -04:00
Preston Skupinski
c9d491411b added the rest of the addressing modes for BIT and fixed a bug in a few operations 2011-05-30 19:22:19 -04:00
Preston Skupinski
71552b5720 added BIT immediate 2011-05-30 18:57:20 -04:00
Preston Skupinski
150d6e57d2 added basic memory mapped i/o support 2011-05-30 17:23:00 -04:00
Preston Skupinski
688c2aaaa3 added DEC and INC direct page indexed x and absolute indexed x 2011-05-23 21:37:28 -04:00
Preston Skupinski
4998c9c4dc added operations that still need to be implemented to the TODO and fixed a few errors in the opcode map 2011-05-22 20:07:29 -04:00
Preston Skupinski
bd89ee30e1 added direct page indexed x indirect addressing for operations that support it 2011-05-22 18:35:05 -04:00
Preston Skupinski
382a4b1fc6 added absolute long indexed x addressing for operations that support it 2011-05-22 15:16:44 -04:00
Preston Skupinski
1b1193abbf added absolute long addressing for many operations that support it 2011-05-22 14:13:16 -04:00
Preston Skupinski
e046787510 added direct page indirect long indexed y addressing for operations that support it 2011-05-22 12:52:42 -04:00
Preston Skupinski
c469f3f3ae added direct page indirect long addressing mode for operations that support it 2011-05-22 11:20:02 -04:00
Preston Skupinski
05f31579f1 updated the TODO 2011-05-15 20:21:02 -04:00
Preston Skupinski
7de24ebf33 added COP 2011-05-15 20:05:31 -04:00
Preston Skupinski
e37b40fb76 added basic working interrupt handling and the BRK and RTI operations. 2011-05-14 23:17:28 -04:00
Preston Skupinski
d446c727bf quick fix for a mistake in the opcode map 2011-05-13 22:28:13 -04:00
Preston Skupinski
a2b0188024 added stack relative indirect indexed y addressing for the operations that support it 2011-05-13 22:24:05 -04:00
Preston Skupinski
179980e8c3 added stack relative addressing for operations that support it 2011-05-13 18:30:22 -04:00
Preston Skupinski
38505fdc8b added direct page indexed x, absolute indexed x and absolute indexed y addressing modes for CMP 2011-05-13 15:24:00 -04:00
Preston Skupinski
7b821a0473 added direct page indirect indexed y addressing mode for those operations that support it 2011-05-13 14:58:10 -04:00
Preston Skupinski
e2341a63a1 added XBA 2011-05-13 13:51:10 -04:00
Preston Skupinski
0fd6d30fe3 added TCS and TSC 2011-05-13 12:46:35 -04:00
Preston Skupinski
8500c21618 added TCD and TDC 2011-05-13 12:18:16 -04:00
Preston Skupinski
20012291fc updated the TODO 2011-05-12 16:23:03 -04:00
Preston Skupinski
e1f33e4af4 fixed the emulation mode stack register and stack behavior to be a bit more accurate 2011-05-12 00:57:29 -04:00
Preston Skupinski
b4f795f368 added BRL 2011-05-12 00:09:02 -04:00
Preston Skupinski
6acdd0d596 changed the program bank register's name from pbr to k as it should be 2011-05-11 22:44:48 -04:00
Preston Skupinski
758d336563 added emulation mode page one swap wrapping 2011-05-11 20:31:12 -04:00
Preston Skupinski
7f6ce58d56 leave stack pointer alteration with byte pushing or pulling to the mmu object 2011-05-11 17:31:50 -04:00
Preston Skupinski
4797ad0cd9 more work on emulation mode support, making sure that any operation that checks for 8-bit registers checks for emulation mode first 2011-05-11 12:41:07 -04:00
Preston Skupinski
25dbc8f08e begin work on emulation mode support 2011-05-11 12:25:54 -04:00
Preston Skupinski
5347ced894 added MVN and MVP 2011-05-11 01:05:31 -04:00
Preston Skupinski
fc55d92515 updated the TODO 2011-05-09 19:23:26 -04:00
Preston Skupinski
02835299a7 added JSL and RTL 2011-05-09 14:43:47 -04:00
Preston Skupinski
3bbb03143b added a short test for JSR and RTS 2011-05-09 14:20:00 -04:00
Preston Skupinski
9e1177864b added JSR and RTS, marking the beginning of subroutine support 2011-05-09 14:14:41 -04:00
Preston Skupinski
65fa7836f4 updated the TODO 2011-05-09 12:49:49 -04:00
Preston Skupinski
4a48a49547 added CLD, SED and CLV 2011-05-09 12:37:09 -04:00
Preston Skupinski
6a4d4ceeaa added PER 2011-05-09 12:21:50 -04:00
Preston Skupinski
8d68d281c7 added PHD and PLD 2011-05-09 00:56:00 -04:00
Preston Skupinski
81767302e4 use the program bank register when fetching the byte representing the instruction to execute next 2011-05-09 00:38:15 -04:00
Preston Skupinski
aa08ce700d added PHB and PLB 2011-05-09 00:34:19 -04:00
Preston Skupinski
b956d2254f added PEA and PEI 2011-05-09 00:01:16 -04:00
Preston Skupinski
98a058058f added PHP and PLP 2011-05-08 23:46:22 -04:00