Neil Webber
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8dd0b60fbd
|
test neg/negb
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2024-04-01 09:23:26 -05:00 |
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Neil Webber
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54a7e86d0d
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neg/negb
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2024-04-01 09:23:11 -05:00 |
|
Neil Webber
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5ea5641186
|
remove unused imports
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2024-04-01 08:49:55 -05:00 |
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folkert van heusden
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ee26b46dda
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N flag depends on bit 15
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2024-04-01 15:48:29 +02:00 |
|
Neil Webber
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7920985eb5
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pycodestyle complaints and remove unused import
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2024-04-01 08:47:08 -05:00 |
|
Neil Webber
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7fd5b507d5
|
missing import and fix _shifter when NN=0 per 1981 book. Issue Misc #10
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2024-04-01 07:56:22 -05:00 |
|
Neil Webber
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3a7d68bad1
|
__nodev signature fix
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2024-04-01 07:42:21 -05:00 |
|
Neil Webber
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3afe220ac1
|
Merge pull request #8 from folkertvanheusden/SOB
made SOB into how simh does it
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2024-03-31 11:58:51 -05:00 |
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folkert van heusden
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3eecaa265d
|
made SOB into how simh does it
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2024-03-31 12:21:44 +02:00 |
|
Neil Webber
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fa86a547ec
|
Speed up context switches by deferring I/D unfolding
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2024-03-30 08:47:27 -05:00 |
|
Neil Webber
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90c8237c51
|
Fix for 'python & signmask #6' -- xor is bitwise not boolean
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2024-03-30 08:28:58 -05:00 |
|
Neil Webber
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2a8b38bc39
|
Added test for 'SWAP & N flag #5'
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2024-03-29 10:22:01 -05:00 |
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Neil Webber
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a6eceb1ace
|
Merge pull request #5 from folkertvanheusden/SWAB
SWAP & N flag
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2024-03-29 10:08:42 -05:00 |
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folkert van heusden
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b018d4bf06
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According to
https://bitsavers.org/pdf/dec/pdp11/1170/PDP-11_70_Handbook_1977-78.pdf
page 64 (4-24):
"N: set if high-order bit of low-order byte (bit 7) of
result is set; cleared otherwise"
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2024-03-29 15:00:57 +01:00 |
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Neil Webber
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899e2a00ea
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fix @(Rn)+/@-(Rn) incr/decr is always 2 -- Issue: 'addressing modes #4'
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2024-03-29 08:54:00 -05:00 |
|
Neil Webber
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7617579031
|
test @(Rn)+ and @-(Rn)
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2024-03-29 08:52:31 -05:00 |
|
Neil Webber
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7b1eda6638
|
Merge pull request #3 from folkertvanheusden/SXT
SXT clears the V flag
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2024-03-28 19:45:49 -05:00 |
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folkert van heusden
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f10da0f269
|
SXT clears the V flag
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2024-03-28 23:56:22 +01:00 |
|
Neil Webber
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954dd1240e
|
Merge pull request #2 from folkertvanheusden/BIC
BIC(B) & V flag
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2024-03-28 17:08:13 -05:00 |
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folkert van heusden
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dfdec49007
|
According to page 67 of PDP1120_Handbook_1972.pdf, BIC and BICB shall
clear the V flag when invoked.
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2024-03-28 22:56:11 +01:00 |
|
Neil Webber
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981efedeed
|
forward lebel relative test and revise other stuff for new/better getlabel idxrel mode
|
2023-11-01 10:25:42 -05:00 |
|
Neil Webber
|
2f17117c02
|
fixed up (again, maybe right this time) pcrel stuff in getlabel
|
2023-11-01 10:22:27 -05:00 |
|
Neil Webber
|
111347faa2
|
cleanups
|
2023-11-01 09:20:04 -05:00 |
|
Neil Webber
|
f2c1c20857
|
updates
|
2023-11-01 09:19:36 -05:00 |
|
Neil Webber
|
fbc66608dc
|
comment cleanups
|
2023-11-01 09:19:09 -05:00 |
|
Neil Webber
|
7354007fe4
|
more fwdref improvements, some more instrs
|
2023-11-01 09:15:57 -05:00 |
|
Neil Webber
|
1f196e1923
|
fix backwards raw label references
|
2023-10-29 09:05:12 -05:00 |
|
Neil Webber
|
bfd40bafa1
|
rorb
|
2023-10-28 18:15:36 -05:00 |
|
Neil Webber
|
2c20aa66b9
|
asrb
|
2023-10-28 13:35:51 -05:00 |
|
Neil Webber
|
fbd057450c
|
huge semantic mistake in movb ... fixed
|
2023-10-28 13:35:10 -05:00 |
|
Neil Webber
|
482b25d07a
|
byte semantics test
|
2023-10-28 13:33:48 -05:00 |
|
Neil Webber
|
e42601ae14
|
Pretty important bug fix for byte instruction register semantics
|
2023-10-28 13:33:20 -05:00 |
|
Neil Webber
|
e3c0782c72
|
ignore/allow
|
2023-10-23 12:06:44 -05:00 |
|
Neil Webber
|
0a4467009f
|
first
|
2023-10-23 12:03:58 -05:00 |
|
Neil Webber
|
4249500cc4
|
NOTES
|
2023-10-23 12:03:53 -05:00 |
|
Neil Webber
|
df73e5dbf2
|
Just use InstructionBlock, no more WITH
|
2023-10-23 10:12:36 -05:00 |
|
Neil Webber
|
33b771e700
|
fix yellow handling; fix base register set; other cleanups
|
2023-10-23 10:12:07 -05:00 |
|
Neil Webber
|
42923f5f18
|
register_simpleattr wasn't returning value
|
2023-10-23 10:11:18 -05:00 |
|
Neil Webber
|
5009f75ad9
|
JMP tests
|
2023-10-23 10:10:18 -05:00 |
|
Neil Webber
|
7237ed2020
|
include non-interrupt mode emulation
|
2023-10-23 10:09:04 -05:00 |
|
Neil Webber
|
9239792d6d
|
cleanup
|
2023-10-23 10:04:20 -05:00 |
|
Neil Webber
|
6f8bc554bb
|
eliminated ASM with
|
2023-10-23 08:38:16 -05:00 |
|
Neil Webber
|
1259e2ef80
|
pre with removal
|
2023-10-23 08:14:07 -05:00 |
|
Neil Webber
|
267a9a1b8e
|
jmp, jsr, several more instructions
|
2023-10-22 18:32:47 -05:00 |
|
Neil Webber
|
d07363b983
|
invis
|
2023-10-19 13:27:57 -05:00 |
|
Neil Webber
|
fd03a30e4c
|
more options
|
2023-10-17 22:09:33 -05:00 |
|
Neil Webber
|
bcb446a239
|
various updates
|
2023-10-17 17:09:49 -05:00 |
|
Neil Webber
|
c7fe81b551
|
enhance breakpoints with xinfo and remove instruction logging because can be done with breakpoints
|
2023-10-17 17:09:00 -05:00 |
|
Neil Webber
|
eaa9b1d01c
|
enhance breakpoints with xinfo
|
2023-10-17 17:08:05 -05:00 |
|
Neil Webber
|
89c7a183e1
|
DC11 implementation
|
2023-10-16 12:44:07 -05:00 |
|
