Adrian Conlon
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e555fe335f
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Whoops: correct return values of 6809 branch helpers.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-23 09:32:37 +01:00 |
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Adrian Conlon
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4703b89a42
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First stab at 6809 branching
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-22 23:06:36 +01:00 |
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Adrian Conlon
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10684a02f4
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Add RTI/RTS instructions to the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-22 10:21:22 +01:00 |
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Adrian Conlon
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07248972bf
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Add implementations of ROL/ROR for the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-22 09:11:02 +01:00 |
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Adrian Conlon
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86c9ade43f
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Add PSH/PUL instructions to the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-22 00:34:16 +01:00 |
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Adrian Conlon
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551c26bb3c
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Add OR instruction to the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-21 23:07:22 +01:00 |
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Adrian Conlon
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06f4300c38
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Added MUL instruction to the 6809 processor.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-21 22:45:33 +01:00 |
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Adrian Conlon
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c571956377
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Add LSR implementation to the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-21 21:59:25 +01:00 |
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Adrian Conlon
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05ca4166c7
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Add LEA instruction to the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-21 20:50:43 +01:00 |
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Adrian Conlon
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a917fb0d4c
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Add LD instructions to the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-21 18:57:20 +01:00 |
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Adrian Conlon
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2a3b0a5291
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Add JMP and JSR instructions to the 6809 processor.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-21 18:10:38 +01:00 |
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Adrian Conlon
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d44718ed22
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Add INC instruction to the 6809 processor.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-21 17:01:20 +01:00 |
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Adrian Conlon
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8c8c02f4b7
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Add EXG instruction to the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-21 14:51:56 +01:00 |
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Adrian Conlon
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f1f64dad93
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Add DEC and EOR instructions to the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-21 13:29:52 +01:00 |
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Adrian Conlon
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00ca20dbe4
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Add DAA to the 6809 processor.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-21 12:25:58 +01:00 |
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Adrian Conlon
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0882513762
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Add CWAI command to the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-21 09:52:03 +01:00 |
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Adrian Conlon
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b4abd7c739
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Add COM instruction to the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-21 09:01:15 +01:00 |
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Adrian Conlon
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aa1a461db7
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Whoops: missed a couple bad type conversions in the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-20 22:20:24 +01:00 |
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Adrian Conlon
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90805e76bf
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Try to share more flag adjustments in the 6809 implementation
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-20 22:18:41 +01:00 |
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Adrian Conlon
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dad5ee8926
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Add CMP implementations for the 6809 (tricky!)
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-20 11:52:09 +01:00 |
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Adrian Conlon
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fc31ae84d5
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Add 6809 CLR instructions.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-19 17:03:32 +01:00 |
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Adrian Conlon
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d17cd1777a
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Add ASL/ASR instructions for the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-19 16:18:06 +01:00 |
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Adrian Conlon
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a125c4c24c
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Implement AND for the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-19 14:08:49 +01:00 |
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Adrian Conlon
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33fbad7132
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ADD instruction added to the 6809 implementation
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-19 12:58:44 +01:00 |
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Adrian Conlon
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cca7453e35
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Refactor the 6809 a little to shift large blocks of code from the header.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-19 10:39:41 +01:00 |
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Adrian Conlon
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a7835b943a
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Add an implementation of ADC for the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-19 10:15:37 +01:00 |
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Adrian Conlon
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15e1258f40
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Rearrange the 6809 code such that I can fire memory events.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-19 00:55:59 +01:00 |
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Adrian Conlon
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ab1d84703b
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Add a skeletal 6809 processor.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-19 00:18:08 +01:00 |
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