Preston Skupinski
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fc55d92515
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updated the TODO
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2011-05-09 19:23:26 -04:00 |
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Preston Skupinski
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02835299a7
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added JSL and RTL
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2011-05-09 14:43:47 -04:00 |
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Preston Skupinski
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3bbb03143b
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added a short test for JSR and RTS
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2011-05-09 14:20:00 -04:00 |
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Preston Skupinski
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9e1177864b
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added JSR and RTS, marking the beginning of subroutine support
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2011-05-09 14:14:41 -04:00 |
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Preston Skupinski
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65fa7836f4
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updated the TODO
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2011-05-09 12:49:49 -04:00 |
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Preston Skupinski
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4a48a49547
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added CLD, SED and CLV
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2011-05-09 12:37:09 -04:00 |
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Preston Skupinski
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6a4d4ceeaa
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added PER
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2011-05-09 12:21:50 -04:00 |
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Preston Skupinski
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8d68d281c7
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added PHD and PLD
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2011-05-09 00:56:00 -04:00 |
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Preston Skupinski
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81767302e4
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use the program bank register when fetching the byte representing the instruction to execute next
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2011-05-09 00:38:15 -04:00 |
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Preston Skupinski
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aa08ce700d
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added PHB and PLB
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2011-05-09 00:34:19 -04:00 |
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Preston Skupinski
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b956d2254f
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added PEA and PEI
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2011-05-09 00:01:16 -04:00 |
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Preston Skupinski
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98a058058f
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added PHP and PLP
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2011-05-08 23:46:22 -04:00 |
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Preston Skupinski
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9af3fe68ee
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added PHY, PLY, PHX, PLX
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2011-05-08 22:46:51 -04:00 |
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Preston Skupinski
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395e381c4f
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beginning of stack support with PHA and PLA
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2011-05-08 22:20:33 -04:00 |
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Preston Skupinski
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86ea739777
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added ROR and all of its addressing modes
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2011-05-08 17:46:40 -04:00 |
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Preston Skupinski
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b3488669a8
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added ROL and all of its addressing modes
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2011-05-08 17:03:23 -04:00 |
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Preston Skupinski
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b1c6249169
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added ASL and all of the addressing modes for it
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2011-05-08 15:02:50 -04:00 |
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Preston Skupinski
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937dfdb7d8
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make sure to add the direct page register to the location with the LSR direct page operation
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2011-05-08 14:12:29 -04:00 |
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Preston Skupinski
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e8e96e0164
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added LSR and all of the addressing modes for and rewrote the way in which I get the high byte from 16-bit data
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2011-05-08 14:03:59 -04:00 |
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Preston Skupinski
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c941641d6a
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added EOR and many addressing modes for it
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2011-05-08 01:11:11 -04:00 |
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Preston Skupinski
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8e3363b1e8
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added ORA and many addressing modes for it
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2011-05-08 00:58:50 -04:00 |
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Preston Skupinski
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4bac875b5c
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added AND and many addressing modes for it
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2011-05-08 00:41:57 -04:00 |
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Preston Skupinski
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c716e6e2f0
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added support for more addressing modes for SBC
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2011-05-07 22:42:11 -04:00 |
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Preston Skupinski
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e65caf36ec
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updated the TODO
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2011-05-07 22:19:39 -04:00 |
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Preston Skupinski
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645c3b6a5b
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added CMP absolute and CPX/CPY immediate, direct page and absolute
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2011-05-07 20:42:09 -04:00 |
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Preston Skupinski
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cbe6896e8f
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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
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2011-05-07 19:32:22 -04:00 |
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Preston Skupinski
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cc815b4b5f
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added a space where I was missing one in one test message
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2011-05-07 18:56:20 -04:00 |
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Preston Skupinski
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41d1b2f17c
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added some tests for CMP
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2011-05-07 18:55:19 -04:00 |
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Preston Skupinski
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96022047d6
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added CMP immediate and fixed a misunderstanding as to when the carry bit is set or not set with SBC/CMP
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2011-05-07 18:18:25 -04:00 |
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Preston Skupinski
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146992b192
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added SBC immediate
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2011-05-07 17:45:39 -04:00 |
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Preston Skupinski
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047095c8cc
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don't add the execute function by extending the prototype
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2011-05-07 15:43:13 -04:00 |
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Preston Skupinski
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9254648308
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added ADC direct page indexed x, ADC absolute indexed x, ADC absolute indexed y
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2011-05-07 15:16:37 -04:00 |
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Preston Skupinski
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47766a6b0d
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added ADC direct page indirect
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2011-05-07 14:37:29 -04:00 |
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Preston Skupinski
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1f127547e1
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added ADC direct page and ADC absolute
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2011-05-07 13:08:02 -04:00 |
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Preston Skupinski
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861a8183b2
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check for signed overflow with ADC
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2011-05-07 12:17:14 -04:00 |
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Preston Skupinski
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676b111870
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added ADC immediate
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2011-05-07 11:02:17 -04:00 |
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Preston Skupinski
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fc15c4c495
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updated the TODO
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2011-05-05 23:37:58 -04:00 |
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Preston Skupinski
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f613f2b15e
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add 'var' where I somehow forgot to in order to satisfy QUnit
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2011-05-05 22:42:16 -04:00 |
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Preston Skupinski
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17dd04c7d6
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fixed DEC operations to properly handle decrementing 0 by 1 and numerous fixes to the DEC and INC operations otherwise
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2011-05-05 22:34:49 -04:00 |
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Preston Skupinski
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f2f47833a7
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added some tests for branching operations
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2011-05-05 21:41:10 -04:00 |
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Preston Skupinski
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d9917b0d4e
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make the tests for REP and SEP a bit more comprehensive
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2011-05-05 20:12:01 -04:00 |
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Preston Skupinski
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7500a31ef5
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started adding test cases for the emulator, I've decided upon using QUnit for the tests
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2011-05-05 17:25:44 -04:00 |
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Preston Skupinski
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aed03f6ff5
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fixed SEP and REP
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2011-05-05 11:39:34 -04:00 |
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Preston Skupinski
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03387a550c
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have the examples make sure the registers are 16-bit
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2011-05-05 11:11:58 -04:00 |
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Preston Skupinski
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efa6b123ac
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updated the TODO
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2011-05-05 11:00:59 -04:00 |
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Preston Skupinski
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7572795c12
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add some examples demonstrating branching support to the README
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2011-05-04 22:47:54 -04:00 |
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Preston Skupinski
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a9f15f133b
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set the n bit of the p status register as required and a few bug fixes otherwise
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2011-05-04 22:39:19 -04:00 |
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Preston Skupinski
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94af723baa
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added DEC accumulator, DEC absolute, DEC direct page, DEX, and DEY as well as added overflow handling for INC and DEC operations and made some style changes
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2011-05-03 00:00:40 -04:00 |
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Preston Skupinski
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5a349a4381
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added BPL, BMI
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2011-05-02 22:28:20 -04:00 |
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Preston Skupinski
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9795ea416b
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added BCC, BCS, BEQ, BNE, BVC, BVS
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2011-05-02 21:11:57 -04:00 |
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