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
|
ae66b39dac
|
Add a couple of LIKELY/UNLIKELY specifications to the 6809 processor.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-25 12:51:43 +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
|
bca7977a23
|
Whoops: correctly generalise DAA code on the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-24 13:05:29 +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
|
0649796575
|
Small code tidy in the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-24 12:36:25 +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
|
595a9a0af7
|
Tidy the formatting within the 6809 processor code.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-23 23:22:14 +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
|
6af8641b45
|
Tidy instruction comments a little on the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-23 09:22:17 +01:00 |
|
Adrian Conlon
|
224c254223
|
Add stubs for any remaining instruction sin the 6809 processor.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-23 00:43:56 +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
|
90fb124bd7
|
Whoops: RTI is 3B in the 6809 processor
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-22 10:24:12 +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
|
6f6e88f003
|
Tidy up instruction timing for the PUL/PSH instructions on the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-22 08:45:38 +01:00 |
|
Adrian Conlon
|
117f03cbd1
|
Whoops: Correct PULS/PSHU/PULU instructions on the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-22 08:19:44 +01:00 |
|
Adrian Conlon
|
1556e82313
|
Whoops: CWAI has to flag that the entire range of registers has been saved. (6809)
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-22 01:03:54 +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
|
905e7d3d44
|
Whoops: Correct cycle counts for the OR instruction on the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-21 23:09:04 +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
|
9122b5aa76
|
Whoops: missed carry adjustment for the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-20 12:54:01 +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
|
a5a8b6059d
|
Add BIT instructions to the 6809
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-19 16:30:31 +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 |
|