Adrian Conlon
|
3dfea03b2e
|
In theory, this finishes the 6809 disassembler.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-28 13:56:06 +01:00 |
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Adrian Conlon
|
ce9738eb4b
|
Fill out more 6809 disassembly + fix a bug in the TFR/EXG instructions: muddled up 8/16 bit transfers.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-27 22:48:08 +01:00 |
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Adrian Conlon
|
fbc743a608
|
6809 Disassembly: Addressing mode: immediate byte added. More instructions decoded.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-27 13:11:43 +01:00 |
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Adrian Conlon
|
2f632cdaf5
|
Another 6809 instruction and addressing mode disassembly added.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-27 11:29:15 +01:00 |
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Adrian Conlon
|
a5e51f7140
|
Simplify the 6809 disassembler usage a little.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-27 10:43:12 +01:00 |
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Adrian Conlon
|
983e2a5eb2
|
Start fleshing out the 6809 disassembler.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-27 01:19:22 +01:00 |
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Adrian Conlon
|
a22c5a5c78
|
Add skeletal disassembler to the 6809 processor.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-26 19:08:07 +01:00 |
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Adrian Conlon
|
50826d36b6
|
Add a little pin documentation to the 6809 processor.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-26 19:02:41 +01:00 |
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Adrian Conlon
|
dc6803a5b6
|
Whoops: powerOn should always be public (6809)
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-26 17:27:50 +01:00 |
|
Adrian Conlon
|
ef5e325b6d
|
Tidy 6809 header file usage a little.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-26 13:07:26 +01:00 |
|
Adrian Conlon
|
ab78ba5db0
|
Start adding definition of BA/BS flags.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-25 14:55:57 +01:00 |
|
Adrian Conlon
|
c105ee37bf
|
Have a stab at sorting out processor pin handling.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-25 12:09:26 +01:00 |
|
Adrian Conlon
|
6d4223c368
|
Start moving towards reset being just another style of interrupt.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-25 01:34:30 +01:00 |
|
Adrian Conlon
|
f8097af5a4
|
Whoops: correct overly enthusiastic shift on the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-24 12:57:04 +01:00 |
|
Adrian Conlon
|
adb6433737
|
Easier to read flag handling in the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-24 12:30:16 +01:00 |
|
Adrian Conlon
|
21e8360dc1
|
First stab at interrupt handling on the 6809 processor.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-24 12:14:14 +01:00 |
|
Adrian Conlon
|
1eb59279a8
|
Remove unneeded powerOn override from the 6809 processor.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-24 10:54:16 +01:00 |
|
Adrian Conlon
|
57928602d5
|
Tidy instruction prefixing in the 6809, such that executed/ing instruction events fire correctly.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-24 10:49:13 +01:00 |
|
Adrian Conlon
|
a43b1109bc
|
Add TST instruction to the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-24 00:33:18 +01:00 |
|
Adrian Conlon
|
c7ca555995
|
Add various SUB/SBC instructions to the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-24 00:14:44 +01:00 |
|
Adrian Conlon
|
722e7b89c2
|
Add implementation of ST instruction for the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-23 23:09:19 +01:00 |
|
Adrian Conlon
|
1e32514e1d
|
Implement SEX/SWI/SWI2/SWI3/SYNC/TFR instructions for the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-23 14:09:46 +01:00 |
|
Adrian Conlon
|
e555fe335f
|
Whoops: correct return values of 6809 branch helpers.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-23 09:32:37 +01:00 |
|
Adrian Conlon
|
4703b89a42
|
First stab at 6809 branching
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-22 23:06:36 +01:00 |
|
Adrian Conlon
|
10684a02f4
|
Add RTI/RTS instructions to the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-22 10:21:22 +01:00 |
|
Adrian Conlon
|
07248972bf
|
Add implementations of ROL/ROR for the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-22 09:11:02 +01:00 |
|
Adrian Conlon
|
86c9ade43f
|
Add PSH/PUL instructions to the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-22 00:34:16 +01:00 |
|
Adrian Conlon
|
551c26bb3c
|
Add OR instruction to the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-21 23:07:22 +01:00 |
|
Adrian Conlon
|
06f4300c38
|
Added MUL instruction to the 6809 processor.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-21 22:45:33 +01:00 |
|
Adrian Conlon
|
c571956377
|
Add LSR implementation to the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-21 21:59:25 +01:00 |
|
Adrian Conlon
|
05ca4166c7
|
Add LEA instruction to the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-21 20:50:43 +01:00 |
|
Adrian Conlon
|
a917fb0d4c
|
Add LD instructions to the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-21 18:57:20 +01:00 |
|
Adrian Conlon
|
2a3b0a5291
|
Add JMP and JSR instructions to the 6809 processor.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-21 18:10:38 +01:00 |
|
Adrian Conlon
|
d44718ed22
|
Add INC instruction to the 6809 processor.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-21 17:01:20 +01:00 |
|
Adrian Conlon
|
8c8c02f4b7
|
Add EXG instruction to the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-21 14:51:56 +01:00 |
|
Adrian Conlon
|
f1f64dad93
|
Add DEC and EOR instructions to the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-21 13:29:52 +01:00 |
|
Adrian Conlon
|
00ca20dbe4
|
Add DAA to the 6809 processor.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-21 12:25:58 +01:00 |
|
Adrian Conlon
|
0882513762
|
Add CWAI command to the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-21 09:52:03 +01:00 |
|
Adrian Conlon
|
b4abd7c739
|
Add COM instruction to the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-21 09:01:15 +01:00 |
|
Adrian Conlon
|
aa1a461db7
|
Whoops: missed a couple bad type conversions in the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-20 22:20:24 +01:00 |
|
Adrian Conlon
|
90805e76bf
|
Try to share more flag adjustments in the 6809 implementation
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-20 22:18:41 +01:00 |
|
Adrian Conlon
|
dad5ee8926
|
Add CMP implementations for the 6809 (tricky!)
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-20 11:52:09 +01:00 |
|
Adrian Conlon
|
fc31ae84d5
|
Add 6809 CLR instructions.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-19 17:03:32 +01:00 |
|
Adrian Conlon
|
d17cd1777a
|
Add ASL/ASR instructions for the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-19 16:18:06 +01:00 |
|
Adrian Conlon
|
a125c4c24c
|
Implement AND for the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-19 14:08:49 +01:00 |
|
Adrian Conlon
|
33fbad7132
|
ADD instruction added to the 6809 implementation
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-19 12:58:44 +01:00 |
|
Adrian Conlon
|
cca7453e35
|
Refactor the 6809 a little to shift large blocks of code from the header.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-19 10:39:41 +01:00 |
|
Adrian Conlon
|
a7835b943a
|
Add an implementation of ADC for the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-19 10:15:37 +01:00 |
|
Adrian Conlon
|
15e1258f40
|
Rearrange the 6809 code such that I can fire memory events.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-19 00:55:59 +01:00 |
|
Adrian Conlon
|
ab1d84703b
|
Add a skeletal 6809 processor.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-19 00:18:08 +01:00 |
|