mirror of https://github.com/hsoft/collapseos.git
28 lines
376 B
NASM
28 lines
376 B
NASM
|
; *** CONSTS ***
|
||
|
|
|
||
|
|
D_DB .equ 0x00
|
||
|
|
D_BAD .equ 0xff
|
||
|
|
|
||
|
|
; *** CODE ***
|
||
|
|
|
||
|
|
; 4 bytes per row, fill with zero
|
||
|
|
directiveNames:
|
||
|
|
.db ".DB", 0
|
||
|
|
|
||
|
|
; Reads string in (HL) and returns the corresponding ID (D_*) in A. Sets Z if
|
||
|
|
; there's a match.
|
||
|
|
getDirectiveID:
|
||
|
|
push bc
|
||
|
|
push de
|
||
|
|
ld b, 1
|
||
|
|
ld c, 4
|
||
|
|
ld de, directiveNames
|
||
|
|
call findStringInList
|
||
|
|
pop de
|
||
|
|
pop bc
|
||
|
|
ret
|
||
|
|
|
||
|
|
parseDirective:
|
||
|
|
xor a
|
||
|
|
ret
|