wdc-utils/samples/hello.macros

_WriteLine	macro
		ldx #$1a0c
		jsl $e10000
		endm

cstr		macro str
		db str
		db 0
		endm

pstr		macro str
		db end#-start#
start#
		db str
end#
		endm

gsstr		macro str
		dw end#-start#
start#
		db str
end#
		endm