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dasm-assembler

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dasm
Macro assembler with support for several 8-bit microprocessors

C · 257 stars

Beginner friendly Everything

Open All

Access to REPEAT counter Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 58/100

dasm-assembler/dasm#163 · Opened Aug 5, 2026
More control over use of macro parameters Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 42/100

dasm-assembler/dasm#162 · Opened Aug 5, 2026
Motorola S-Format as Output-File Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dasm-assembler/dasm#159 · 2 comments · Opened Feb 13, 2026
Request to put tested and ready made upgrades into DASM Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

dasm-assembler/dasm#157 · 11 comments · 1 reaction · Opened Nov 25, 2025
IFCONST doesn't seem to work for string constants Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dasm-assembler/dasm#156 · Opened Sep 2, 2025
Two issues with macro CLEAN_START in macro.h Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

dasm-assembler/dasm#155 · 10 comments · Opened Aug 16, 2025
LIST ON should not be listed Open

enhancement

dasm-assembler/dasm#150 · 2 comments · 1 assignee · Opened Mar 16, 2025
Support for #elif directive Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 38/100

dasm-assembler/dasm#132 · 1 reaction · Opened Jul 22, 2022
SEGV in error handling of command line parameters Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

dasm-assembler/dasm#128 · Opened Mar 24, 2022
Undefined values cause no errors Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dasm-assembler/dasm#125 · Opened Nov 12, 2021
Hide LIST ON Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dasm-assembler/dasm#124 · 1 comment · Opened Nov 12, 2021
Macros detects parameters in the false portion of #if/#else/#endif and IF/ELSE/ENDIF directives Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

dasm-assembler/dasm#123 · 1 reaction · Opened Oct 26, 2021
Feature request: ability to specify exit code with ERR directive Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

dasm-assembler/dasm#122 · 3 comments · Opened Oct 24, 2021
Allow expressions access to generated code Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

dasm-assembler/dasm#116 · Opened Apr 13, 2021
invalid (?) "#" usage Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dasm-assembler/dasm#115 · 1 comment · Opened Mar 20, 2021
include without quoted filename misbehaving Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 42/100

dasm-assembler/dasm#113 · 1 comment · Opened Mar 1, 2021
Macro # arguments Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

dasm-assembler/dasm#111 · 1 reaction · Opened Feb 17, 2021
Macros can't redefine instructions Open

bug documentation enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dasm-assembler/dasm#110 · 1 comment · Opened Feb 17, 2021
[REQUEST] 65816 16-bit processor support for DASM Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

dasm-assembler/dasm#106 · 1 comment · Opened Nov 6, 2020
request for new feature, EQADD assembler directive Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

dasm-assembler/dasm#100 · Opened Oct 15, 2020
add features from other Dasm forks like improved incbin Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

dasm-assembler/dasm#92 · 11 comments · Opened Sep 22, 2020
Variable number of arguments for a macro Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

dasm-assembler/dasm#87 · Opened Sep 12, 2020
Range error in constant Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dasm-assembler/dasm#75 · 4 comments · Opened Aug 24, 2020
Nested macro definitions Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

dasm-assembler/dasm#74 · 1 comment · Opened Aug 22, 2020
remove the strict mode flag (or revert its meaning) Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 30/100

dasm-assembler/dasm#67 · 4 comments · Opened Jul 19, 2020
PASS pseudo opcode Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

dasm-assembler/dasm#49 · 8 comments · Opened Jun 15, 2020
Request: unicode support Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

dasm-assembler/dasm#47 · Opened May 29, 2020
Parser error Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dasm-assembler/dasm#46 · 1 comment · Opened May 13, 2020
Trailing commas in data declaration adds byte with value $00 Open

bug enhancement

dasm-assembler/dasm#45 · 16 comments · 1 assignee · Opened May 5, 2020
useless error "end brace required" in comments Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dasm-assembler/dasm#40 · Opened Mar 25, 2020
borked nested #if Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dasm-assembler/dasm#39 · 3 comments · Opened Mar 18, 2020
standardise error output Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dasm-assembler/dasm#38 · Opened Mar 15, 2020
MACRO/subroutine scope Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

dasm-assembler/dasm#37 · 3 comments · Opened Mar 12, 2020
SUBROUTINE lost inside macros Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dasm-assembler/dasm#36 · 1 comment · Opened Mar 8, 2020
Missing ORG misses error description Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 42/100

dasm-assembler/dasm#35 · Opened Mar 8, 2020
Macro parameters ignore conditionals Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dasm-assembler/dasm#34 · 2 comments · Opened Mar 8, 2020
#immediate - 'error' in parser Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dasm-assembler/dasm#33 · 14 comments · Opened Feb 24, 2020
Macro forward-reference failure/inconsistent Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dasm-assembler/dasm#30 · Opened Feb 19, 2020
expose REPEAT count as usable label Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

dasm-assembler/dasm#27 · 2 comments · 1 reaction · Opened Feb 4, 2020
Anonymous labels? Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

dasm-assembler/dasm#17 · 8 comments · Opened Nov 5, 2019
Improve macro parameter handling Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

dasm-assembler/dasm#15 · 5 comments · Opened Sep 27, 2019
Combee bitmap patch Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dasm-assembler/dasm#12 · 12 comments · 2 reactions · Opened Sep 15, 2019
cycle counts Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

dasm-assembler/dasm#4 · 2 comments · 1 reaction · Opened Aug 30, 2019
Enhance .sym file for bank switching Open

enhancement

dasm-assembler/dasm#1 · 7 comments · 1 reaction · 1 assignee · Opened Aug 29, 2019

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