b5e3cb7dff
Implement variable-width shifts
2022-09-14 23:33:29 +03:00
e44b63dd15
Unify fields in ISA description in thingamajig_disasm.py
2022-09-14 23:21:05 +03:00
2b2cdac605
Use literal loads in calculator.asm
2022-08-27 19:34:57 +03:00
677f31ea91
Follow reference assembler syntax in output of thingamajig_disasm.py
2022-08-27 19:27:06 +03:00
0fc5da3483
Support changed store encoding and load immediate in thingamajig_disasm.py
2022-08-27 19:25:42 +03:00
bbb5b4b35f
Store line length in a variable in calculator.asm
2022-08-18 14:53:21 +03:00
e8102339d7
Add stack underflow detection to popByte in calculator.asm
2022-08-18 14:51:47 +03:00
8526919479
Change dumpstack to a general debug routine in calculator.asm
2022-08-18 14:50:51 +03:00
3583fc8379
Fully implement stack-based memory manipulation in calculator.asm
2022-08-18 14:37:12 +03:00
5cfae260fd
Don't clobber storeByteHigh and storeByteLow in peekWord in calculator.asm
2022-08-18 14:31:04 +03:00
a993cab542
Implement line reading in calculator.asm
2022-08-17 04:07:11 +03:00
7a4c6295f3
Add stack manipulation subroutines
2022-08-17 03:02:04 +03:00
95c29fc2e0
Add tmpWord2 in calculator.asm
2022-08-17 03:01:34 +03:00
109cdf5a3a
Don't clobber tmpWord in peekWord in calculator.asm
2022-08-17 03:00:51 +03:00
cbfbbbcf54
Have stPrinthex pop TOS in calculator.asm
2022-08-17 02:54:36 +03:00
c89d8e9850
Change trashes → clobbers in calculator.asm
2022-08-17 02:33:49 +03:00
cc933eeac1
Add missing trashes: entry for peekWord in calculator.asm
2022-08-17 02:32:51 +03:00
b63232169d
Implement subWord, stSub, stGtEq in calculator.asm
2022-08-17 02:32:26 +03:00
34c3fa70e3
Use addr statement in calculator.asm
2022-08-09 00:44:14 +03:00
117a2e24c2
Start work on a calculator program for Thingamajig
2022-08-08 18:52:34 +03:00
110280ed5e
Avoid attempted reads past end of program image
...
Previously if what could be a load, store, branch, or call instruction
was located within last two bytes of the program image being
disassembled, the disassembler would try to read out of bounds to get
its address parameter. This change marks such cases as not being valid
instructions.
2022-08-08 18:48:23 +03:00
29cb28fa49
Add raw binary to disassemly
2022-07-23 15:51:11 +03:00
099b09eee3
Add a hashbang line
2022-07-23 15:46:27 +03:00
66e28d6ef8
Properly handle non-instruction bytes in the range 0xa0…0xbf
...
Previously address arguments were extracted without verifying the start
byte corresponded to a valid instruction. In case of a non-instruction
byte this would result in the two following bytes to be silently
skipped.
2022-05-10 11:19:22 +02:00
57473ee34e
First commit
2022-05-08 14:14:36 +02:00
Juhani Krekelä