go6502/asm/asm.org

• AS65 notes
• SCSC notes
• Edasm notes
  • How to run
  • Differences from manual

Concept	SCSC	AS65	Merlin
origin	.OR	org
target address	.TA
include	.IN
comment	*	;
	>1 space
label	at left
equ	.EQ	=
		equ
binary		%00000001
macro	.MA macro_name	macro_name macro
	.EM	endm
if	.DO	if foo = 1
	.ELSE	endif
	[.ELSE] (toggle)
	.FIN
data
- word (LE)	.DA expr
- byte (LSB)	.DA #expr
- byte (MSB)	.DA /expr
ascii string
- normal use	.AS "foo"
- arb. delimeter	.AS dfood
- high bit set	.AS -"foo"
- last high bit opposite	.AT "foo"
hex string	.HS
reserve space (block storage)	.BS <bytes>

Things to ignore

Concept	SCSC	AS65
title	.TI <lines/page>,title
file	.TF filename

AS65 notes

https://github.com/Klaus2m5/6502_65C02_functional_tests/blob/master/6502_functional_test.a65

SCSC notes

.DO – Conditional Assembly 5-9 .ELSE – Conditional Assembly 5-9 .FIN – Conditional Assembly 5-9 .MA – Macro Definition 5-11 .EM – End of Macro 5-11

Edasm notes

http://mirrors.apple2.org.za/ftp.apple.asimov.net/images/programming/assembler/EDASM.DSK

How to run

Boot from the disk type "- edasm.system"

Differences from manual

The manual claims that "MSB ON" is the default.

:ASM FOO.TXT SOURCE FILE #01 =>FOO.TXT 0000:41 42 43 1 ASC "ABC" 0003: 2 MSB OFF 0003:41 42 43 3 ASC "ABC" 0006: 4 MSB ON 0006:C1 C2 C3 5 ASC "ABC"