Joey Pollack
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ecc7b9b73f
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Fix a bug with the branch instructions not being able to move backward (offsets were unsigned)
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2 years ago |
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Joey Pollack
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05fcb7b7f7
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Simple test machine can now load an arbitrary program binary
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2 years ago |
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Joey Pollack
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6efdfecf54
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Adds the simple test virtual machine and a few hard-coded test programs
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2 years ago |
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Joey Pollack
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48bfaf500a
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All instructions implemented NOT TESTED
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2 years ago |
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Joey Pollack
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a07b784e5b
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Adds branching instructions (not tested)
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2 years ago |
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joeyrp
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b6029d0ef5
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Adds the rest of group three instructions and begins work on branching
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2 years ago |
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joeyrp
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03c0425165
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Adds BIT and JMP instructions
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2 years ago |
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Joey Pollack
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400e378492
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Adds the rest of the group 2 intructions
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2 years ago |
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Joey Pollack
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e705296cde
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Adds ROL, LSR, and ROR instructions
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2 years ago |
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Joey Pollack
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2ebe9a56b2
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Adds ASL instruction
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2 years ago |
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Joey Pollack
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2f64343196
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Adds ASL instruction - Still needs testing
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2 years ago |
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Joey Pollack
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6af0fb3cb3
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refactors unit tests to separate address mode tests from instruction tests.\nAlso fixes SBC instruction
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2 years ago |
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Joey Pollack
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cccc23f2e6
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Adds IZY address mode - Only tested with the LDA instruction however
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2 years ago |
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Joey Pollack
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93e16f0d02
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Adds (Indirect, X) addressing mode
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2 years ago |
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Joey Pollack
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7021dd1e56
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Group One instructions done EXCEPT for modes (Indirect, X) and (Indirect), Y
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2 years ago |
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Joey Pollack
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4987266110
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adds a few more address modes and unit tests for instructions
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2 years ago |
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Joey Pollack
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99ff781d3d
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simple addition working
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2 years ago |
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Joey Pollack
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8f3429dcc8
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adds a todo file
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2 years ago |
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Joey Pollack
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293c707ee9
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very basics working!
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2 years ago |