DOS-debug

DOS-debug copied to clipboard

Recall previous inputs with up/down arrows

2

This patch implements recalling previously typed commands with the up and down arrow keys, as is common in most shells and other debuggers. Binary size is increased by 244 bytes...

jwt27

Discrepancy between original DEBUG and DOS-debug

1

Hi, I found a discrepancy (possible bug) between original debug from MS-DOS 6.22 and the DOS-debug 1.29. Steps to reproduce it: * original DEBUG ``` > debug -h 8 FFF8...

ijean

When tracing a `pushf` instruction with P the apparent TF is not reset on the stack

2

The T command has a special call to adjust the pushed flags after tracing a `pushf` instruction, see https://github.com/Baron-von-Riedesel/DOS-debug/blob/b60a75d445f08f9a20abc48ccfb906225194bb41/src/DEBUG.ASM#L6960 It appears this is not called when tracing with the P...

ecm-pushbx

[Feature request] Autorepeat for P command

1

I was surprised to find that the P command does not do autorepeat. I must have added that a long time ago in lDebug. G autorepeat is more complex. P...

ecm-pushbx

Two remaining enter mode bugs

1

[As I commented](https://github.com/Baron-von-Riedesel/DOS-debug/pull/4#issuecomment-1061871826) there are two more bugs in the current ([1.28 release](https://github.com/Baron-von-Riedesel/DOS-debug/releases/tag/v1.28)) build of Debug/X. The first bug listed there is fixed by [your commit](https://github.com/Baron-von-Riedesel/DOS-debug/commit/a4439a1fa44f1549865df77a2e38c8d76b057fdc). The second bug and...

ecm-pushbx

1. What about tracing? Ability to write trace to file. 2. Project work support. 3. Ideally, script support (python) (instrumentation)

gitmesam

Assembler accepts instructions like `cmp [mem], imms8` without size specified

1

``` G:\>debug -a 088A:0100 cmp [100], 12 088A:0105 -r AX=0000 BX=0000 CX=0000 DX=0000 SP=FFFE BP=0000 SI=0000 DI=0000 DS=088A ES=088A SS=088A CS=088A IP=0100 NV UP EI PL NZ NA PO NC...

ecm-pushbx

Bug reports at sourceforge (not from me)

1

I just wanted to let you know that there are two bug reports from Oliver (not from me) referring to debug: https://sourceforge.net/p/freedos/bugs/374/ and https://sourceforge.net/p/freedos/bugs/376/

fritzmueller

Assembler exchanges XCHG operands order versus disassembler

1

In [a blog post](https://pushbx.org/ecm/dokuwiki/blog/pushbx/2024/0428_late_april_work#ldebug) I listed this fix to lDebug: > instr.set: [Avoid swapping XCHG operand order](https://hg.pushbx.org/ecm/ldebug/rev/ee8d326028d6) between assembler and disassembler, use same order as NASM/NDISASM This is what it...

ecm-pushbx

Instruction mov cx, al accepted incorrectly

1

Came up on stackoverflow here: https://stackoverflow.com/questions/79171410/how-to-print-a-symbol-for-a-user-provided-number-of-times-in-dos-assembly-x86 Quoting the comments: `mov cx,al` should not even assemble. – [Jester](https://stackoverflow.com/users/547981/jester) Commented 2 hours ago @Jester thank you, but I'm not sure; my textbook...

ecm-pushbx