Preston Skupinski
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16f32df754
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don't remove memory mapped io devices on cpu reset
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2011-10-12 15:19:55 -04:00 |
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Preston Skupinski
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10cd88d08e
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Make sure branching can't cause the program counter to go below zero
or above 0xffff
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2011-10-12 14:39:25 -04:00 |
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Preston Skupinski
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833048fefa
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added numerous tests for stz
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2011-10-02 22:33:54 -04:00 |
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Preston Skupinski
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03a5217759
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make sure lines don't go past column 80 in cpu.js
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2011-09-15 13:55:13 -04:00 |
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Preston Skupinski
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d902611e9c
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added decimal mode support for SBC, wrote unit tests to verify that support and updated the TODO
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2011-09-04 11:34:09 -04:00 |
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Preston Skupinski
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b505f7a50d
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handle the carry bit properly when in decimal mode for adc
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2011-09-03 22:07:44 -04:00 |
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Preston Skupinski
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7cee0a3cd1
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added decimal mode support for adc with 16-bit memory/accumulator mode and wrote unit tests to verify it
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2011-09-03 21:56:39 -04:00 |
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Preston Skupinski
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8a1f3364ff
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Merge branch 'master' of github.com:scud43/JavaScript-65816
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2011-09-03 21:22:49 -04:00 |
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Preston Skupinski
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990bbdc06c
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add decimal mode support for adc in emulation or 8-bit memory/accumulator mode and wrote up unit tests to verify it
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2011-09-03 21:20:52 -04:00 |
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Preston Skupinski
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b4bda09bf6
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added more unit tests for LDA(absolute long, absolute long indexed x)
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2011-09-02 22:43:47 -04:00 |
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Preston Skupinski
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3f23b8f7f7
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added some more unit tests for LDA(stack relative and absolute indexed y)
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2011-09-01 16:20:34 -04:00 |
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Preston Skupinski
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c9a559ab6e
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added more unit tests for LDA and provided all of the dependencies for running the unit tests so no internet connection is required to use that page
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2011-09-01 14:37:34 -04:00 |
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Preston Skupinski
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fadcea4c5d
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added more unit tests for LDA and fixed a bug in the implemention of the direct page indirect mode for LDA
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2011-08-31 15:41:27 -04:00 |
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Preston Skupinski
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a8f5cc4556
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added more unit tests for LDA
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2011-08-31 14:22:35 -04:00 |
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Preston Skupinski
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d2a9f2589c
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begin work on unit tests for LDA
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2011-08-30 12:39:43 -04:00 |
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Preston Skupinski
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3c77ef7dfa
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update the README
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2011-08-30 11:08:17 -04:00 |
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Preston Skupinski
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90cf744589
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turn MMU into a function object so multiple cpu objects can be used at once and fixes a long standing bug where various unit tests would randomly fail
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2011-08-30 10:44:45 -04:00 |
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Preston Skupinski
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19c9215181
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add basic stepping support
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2011-07-18 20:44:55 -04:00 |
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Preston Skupinski
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aa2d06839e
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update the TODO
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2011-07-11 19:17:41 -04:00 |
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Preston Skupinski
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4a9456f83f
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added a reset function
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2011-07-11 19:04:51 -04:00 |
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Preston Skupinski
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5ada2b1daa
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added a basic interface for interacting with the emulator
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2011-07-10 20:43:03 -04:00 |
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Preston Skupinski
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dbe014ada1
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added STP
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2011-06-19 13:13:29 -04:00 |
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Preston Skupinski
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5813feaa89
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added WAI
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2011-06-12 21:23:02 -04:00 |
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Preston Skupinski
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8377d8c009
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added JSR absolute indexed x indirect
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2011-06-12 19:37:07 -04:00 |
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Preston Skupinski
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a9e15285cb
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added JMP absolute indexed x indirect
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2011-06-12 18:54:16 -04:00 |
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Preston Skupinski
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26fddd8943
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added WDM
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2011-06-09 20:24:05 -04:00 |
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Preston Skupinski
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eff69c28bc
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added JMP absolute long and JMP absolute indirect long
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2011-06-09 20:01:36 -04:00 |
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Preston Skupinski
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fe0117a1e0
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the cpu object is now passed as the first argument to memory mapped io device interaction functions
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2011-06-04 11:36:20 -04:00 |
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Preston Skupinski
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a0b9497eb4
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added TXS and TSX
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2011-06-01 13:17:03 -04:00 |
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Preston Skupinski
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4f98a754b7
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added TRB and both addressing modes for it
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2011-06-01 13:01:16 -04:00 |
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Preston Skupinski
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48c6fe5cf9
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added TSB and both addressing modes for it
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2011-05-30 19:55:59 -04:00 |
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Preston Skupinski
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c9d491411b
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added the rest of the addressing modes for BIT and fixed a bug in a few operations
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2011-05-30 19:22:19 -04:00 |
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Preston Skupinski
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71552b5720
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added BIT immediate
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2011-05-30 18:57:20 -04:00 |
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Preston Skupinski
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150d6e57d2
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added basic memory mapped i/o support
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2011-05-30 17:23:00 -04:00 |
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Preston Skupinski
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688c2aaaa3
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added DEC and INC direct page indexed x and absolute indexed x
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2011-05-23 21:37:28 -04:00 |
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Preston Skupinski
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4998c9c4dc
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added operations that still need to be implemented to the TODO and fixed a few errors in the opcode map
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2011-05-22 20:07:29 -04:00 |
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Preston Skupinski
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bd89ee30e1
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added direct page indexed x indirect addressing for operations that support it
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2011-05-22 18:35:05 -04:00 |
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Preston Skupinski
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382a4b1fc6
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added absolute long indexed x addressing for operations that support it
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2011-05-22 15:16:44 -04:00 |
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Preston Skupinski
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1b1193abbf
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added absolute long addressing for many operations that support it
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2011-05-22 14:13:16 -04:00 |
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Preston Skupinski
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e046787510
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added direct page indirect long indexed y addressing for operations that support it
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2011-05-22 12:52:42 -04:00 |
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Preston Skupinski
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c469f3f3ae
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added direct page indirect long addressing mode for operations that support it
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2011-05-22 11:20:02 -04:00 |
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Preston Skupinski
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05f31579f1
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updated the TODO
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2011-05-15 20:21:02 -04:00 |
|
Preston Skupinski
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7de24ebf33
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added COP
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2011-05-15 20:05:31 -04:00 |
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Preston Skupinski
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e37b40fb76
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added basic working interrupt handling and the BRK and RTI operations.
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2011-05-14 23:17:28 -04:00 |
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Preston Skupinski
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d446c727bf
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quick fix for a mistake in the opcode map
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2011-05-13 22:28:13 -04:00 |
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Preston Skupinski
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a2b0188024
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added stack relative indirect indexed y addressing for the operations that support it
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2011-05-13 22:24:05 -04:00 |
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Preston Skupinski
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179980e8c3
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added stack relative addressing for operations that support it
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2011-05-13 18:30:22 -04:00 |
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Preston Skupinski
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38505fdc8b
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added direct page indexed x, absolute indexed x and absolute indexed y addressing modes for CMP
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2011-05-13 15:24:00 -04:00 |
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Preston Skupinski
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7b821a0473
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added direct page indirect indexed y addressing mode for those operations that support it
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2011-05-13 14:58:10 -04:00 |
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Preston Skupinski
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e2341a63a1
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added XBA
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2011-05-13 13:51:10 -04:00 |
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