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Looking for a specific 6502 Assembler

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4

I found some 6502 assembler code for a Commodore 64 program that uses meta commands like #include "foobar", define the address to be assembled to via *=$1234 and define labels without a colon. Comments are marked with a leading ;, and the syntax allows for specifying characters as constants such as in lda #'A'.

Which assembler programs have this kind of syntax and could be used to assemble the file?

I already know that

• 
  ca65 assembler uses keywords like .import and .export but not #include. And ca65 requires a colon after a label definition


• 
  dasm assembler files define the start address with the org directive, but not with *=
  


• 
  kickass assembler has different comment format


• 
  64tass does not know the includekeyword

so it is none of the above (I tried and the build failed).

commodore-64 assembly 6502

share|improve this question

edited 1 hour ago

Peter B.

asked 2 hours ago

Peter B.Peter B.

742212

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  So far it might be safe to assume you're looking fro an 6502 assembler, but what computer?
  
  – Raffzahn
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  It is for a C64, I added it to the description.
  
  – Peter B.
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  I suggest ignoring #include and any other C preprocessor like directive, and assume the source code you're looking at meant to handled by passing the source though a C preprocessor before being assembled. The GNU Assembler doesn't support C preprocessing directives, but you'll find a lot of code written for it that uses them anyways.
  
  – Ross Ridge
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Having used DASM extensively for 15 years, I 'converted' to KickAss a couple of years ago. It's my preferred cross-assembler for 6502 now, and well worth the effort of doing the work necessary to shift from DASM (or other) syntax.
  
  – Eight-Bit Guru
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Do you know anything about the age of the source? It could narrow down the possibilities. Also comments might give some clues to those who knows the assembler.
  
  – UncleBod
  1 hour ago
  

  
  
  
  

add a comment | 

4

I found some 6502 assembler code for a Commodore 64 program that uses meta commands like #include "foobar", define the address to be assembled to via *=$1234 and define labels without a colon. Comments are marked with a leading ;, and the syntax allows for specifying characters as constants such as in lda #'A'.

Which assembler programs have this kind of syntax and could be used to assemble the file?

I already know that

• 
  ca65 assembler uses keywords like .import and .export but not #include. And ca65 requires a colon after a label definition


• 
  dasm assembler files define the start address with the org directive, but not with *=
  


• 
  kickass assembler has different comment format


• 
  64tass does not know the includekeyword

so it is none of the above (I tried and the build failed).

commodore-64 assembly 6502

share|improve this question

edited 1 hour ago

Peter B.

asked 2 hours ago

Peter B.Peter B.

742212

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  So far it might be safe to assume you're looking fro an 6502 assembler, but what computer?
  
  – Raffzahn
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  It is for a C64, I added it to the description.
  
  – Peter B.
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  I suggest ignoring #include and any other C preprocessor like directive, and assume the source code you're looking at meant to handled by passing the source though a C preprocessor before being assembled. The GNU Assembler doesn't support C preprocessing directives, but you'll find a lot of code written for it that uses them anyways.
  
  – Ross Ridge
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Having used DASM extensively for 15 years, I 'converted' to KickAss a couple of years ago. It's my preferred cross-assembler for 6502 now, and well worth the effort of doing the work necessary to shift from DASM (or other) syntax.
  
  – Eight-Bit Guru
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Do you know anything about the age of the source? It could narrow down the possibilities. Also comments might give some clues to those who knows the assembler.
  
  – UncleBod
  1 hour ago
  

  
  
  
  

add a comment | 

I found some 6502 assembler code for a Commodore 64 program that uses meta commands like #include "foobar", define the address to be assembled to via *=$1234 and define labels without a colon. Comments are marked with a leading ;, and the syntax allows for specifying characters as constants such as in lda #'A'.

Which assembler programs have this kind of syntax and could be used to assemble the file?

I already know that

• 
  ca65 assembler uses keywords like .import and .export but not #include. And ca65 requires a colon after a label definition


• 
  dasm assembler files define the start address with the org directive, but not with *=
  


• 
  kickass assembler has different comment format


• 
  64tass does not know the includekeyword

so it is none of the above (I tried and the build failed).

commodore-64 assembly 6502

share|improve this question

edited 1 hour ago

Peter B.

asked 2 hours ago

Peter B.Peter B.

742212

share|improve this question

edited 1 hour ago

Peter B.

asked 2 hours ago

Peter B.Peter B.

742212

share|improve this question

edited 1 hour ago

Peter B.

asked 2 hours ago

Peter B.Peter B.

742212

asked 2 hours ago

Peter B.Peter B.

742212

asked 2 hours ago

Peter B.Peter B.

742212

1 Answer
1

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oldest

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4

I think it's xa (xa65):

• ☑ #include "foobar"
  


• ☑ define the address to be assembled to via *=$1234
  


• ☑ define labels without a colon
  


• ☑ Comments are marked with a leading ;
  


• ☑ specifying characters as constants such as in lda #'A' — the example given in the manual uses double quotes (lda #"A"): is that a disqualifier?

share|improve this answer

answered 35 mins ago

scrussscruss

6,90611247

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I just had a chat with André Fachat, the original author, and he's pretty sure that xa65 makes a good match - including the single quote part, which he double checked in source. So I guess Scruss hit it.
  
  – Raffzahn
  22 mins ago
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I tried xa and it threw an error on a command ".pet". Googling that led me to the right assembler, it was DreamAss. Thanks a lot for the idea with xa helped me find it!
  
  – Peter B.
  12 mins ago
  
  
  

  
  
  
  

add a comment | 

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4

I think it's xa (xa65):

• ☑ #include "foobar"
  


• ☑ define the address to be assembled to via *=$1234
  


• ☑ define labels without a colon
  


• ☑ Comments are marked with a leading ;
  


• ☑ specifying characters as constants such as in lda #'A' — the example given in the manual uses double quotes (lda #"A"): is that a disqualifier?

share|improve this answer

answered 35 mins ago

scrussscruss

6,90611247

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I just had a chat with André Fachat, the original author, and he's pretty sure that xa65 makes a good match - including the single quote part, which he double checked in source. So I guess Scruss hit it.
  
  – Raffzahn
  22 mins ago
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I tried xa and it threw an error on a command ".pet". Googling that led me to the right assembler, it was DreamAss. Thanks a lot for the idea with xa helped me find it!
  
  – Peter B.
  12 mins ago
  
  
  

  
  
  
  

add a comment | 

4

I think it's xa (xa65):

• ☑ #include "foobar"
  


• ☑ define the address to be assembled to via *=$1234
  


• ☑ define labels without a colon
  


• ☑ Comments are marked with a leading ;
  


• ☑ specifying characters as constants such as in lda #'A' — the example given in the manual uses double quotes (lda #"A"): is that a disqualifier?

share|improve this answer

answered 35 mins ago

scrussscruss

6,90611247

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I just had a chat with André Fachat, the original author, and he's pretty sure that xa65 makes a good match - including the single quote part, which he double checked in source. So I guess Scruss hit it.
  
  – Raffzahn
  22 mins ago
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I tried xa and it threw an error on a command ".pet". Googling that led me to the right assembler, it was DreamAss. Thanks a lot for the idea with xa helped me find it!
  
  – Peter B.
  12 mins ago
  
  
  

  
  
  
  

add a comment | 

I think it's xa (xa65):

• ☑ #include "foobar"
  


• ☑ define the address to be assembled to via *=$1234
  


• ☑ define labels without a colon
  


• ☑ Comments are marked with a leading ;
  


• ☑ specifying characters as constants such as in lda #'A' — the example given in the manual uses double quotes (lda #"A"): is that a disqualifier?

share|improve this answer

answered 35 mins ago

scrussscruss

6,90611247

share|improve this answer

answered 35 mins ago

scrussscruss

6,90611247

answered 35 mins ago

scrussscruss

6,90611247

answered 35 mins ago

scrussscruss

6,90611247