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 |
|
Preston Skupinski
|
9af3fe68ee
|
added PHY, PLY, PHX, PLX
|
2011-05-08 22:46:51 -04:00 |
|
Preston Skupinski
|
395e381c4f
|
beginning of stack support with PHA and PLA
|
2011-05-08 22:20:33 -04:00 |
|
Preston Skupinski
|
86ea739777
|
added ROR and all of its addressing modes
|
2011-05-08 17:46:40 -04:00 |
|
Preston Skupinski
|
b3488669a8
|
added ROL and all of its addressing modes
|
2011-05-08 17:03:23 -04:00 |
|
Preston Skupinski
|
b1c6249169
|
added ASL and all of the addressing modes for it
|
2011-05-08 15:02:50 -04:00 |
|
Preston Skupinski
|
937dfdb7d8
|
make sure to add the direct page register to the location with the LSR direct page operation
|
2011-05-08 14:12:29 -04:00 |
|
Preston Skupinski
|
e8e96e0164
|
added LSR and all of the addressing modes for and rewrote the way in which I get the high byte from 16-bit data
|
2011-05-08 14:03:59 -04:00 |
|
Preston Skupinski
|
c941641d6a
|
added EOR and many addressing modes for it
|
2011-05-08 01:11:11 -04:00 |
|
Preston Skupinski
|
8e3363b1e8
|
added ORA and many addressing modes for it
|
2011-05-08 00:58:50 -04:00 |
|
Preston Skupinski
|
4bac875b5c
|
added AND and many addressing modes for it
|
2011-05-08 00:41:57 -04:00 |
|
Preston Skupinski
|
c716e6e2f0
|
added support for more addressing modes for SBC
|
2011-05-07 22:42:11 -04:00 |
|
Preston Skupinski
|
e65caf36ec
|
updated the TODO
|
2011-05-07 22:19:39 -04:00 |
|
Preston Skupinski
|
645c3b6a5b
|
added CMP absolute and CPX/CPY immediate, direct page and absolute
|
2011-05-07 20:42:09 -04:00 |
|
Preston Skupinski
|
cbe6896e8f
|
fix a mistake when it came to storing the high byte in memory, while the previous method "worked" it could cause problems down the road as I was storing data larger than 1 byte in 1 byte cells in numerous cases
|
2011-05-07 19:32:22 -04:00 |
|
Preston Skupinski
|
cc815b4b5f
|
added a space where I was missing one in one test message
|
2011-05-07 18:56:20 -04:00 |
|
Preston Skupinski
|
41d1b2f17c
|
added some tests for CMP
|
2011-05-07 18:55:19 -04:00 |
|
Preston Skupinski
|
96022047d6
|
added CMP immediate and fixed a misunderstanding as to when the carry bit is set or not set with SBC/CMP
|
2011-05-07 18:18:25 -04:00 |
|
Preston Skupinski
|
146992b192
|
added SBC immediate
|
2011-05-07 17:45:39 -04:00 |
|
Preston Skupinski
|
047095c8cc
|
don't add the execute function by extending the prototype
|
2011-05-07 15:43:13 -04:00 |
|
Preston Skupinski
|
9254648308
|
added ADC direct page indexed x, ADC absolute indexed x, ADC absolute indexed y
|
2011-05-07 15:16:37 -04:00 |
|
Preston Skupinski
|
47766a6b0d
|
added ADC direct page indirect
|
2011-05-07 14:37:29 -04:00 |
|
Preston Skupinski
|
1f127547e1
|
added ADC direct page and ADC absolute
|
2011-05-07 13:08:02 -04:00 |
|
Preston Skupinski
|
861a8183b2
|
check for signed overflow with ADC
|
2011-05-07 12:17:14 -04:00 |
|
Preston Skupinski
|
676b111870
|
added ADC immediate
|
2011-05-07 11:02:17 -04:00 |
|