File: along.s

package info (click to toggle)
cc65 2.19-2
  • links: PTS
  • area: main
  • in suites: forky, sid, trixie
  • size: 20,268 kB
  • sloc: ansic: 117,151; asm: 66,339; pascal: 4,248; makefile: 1,009; perl: 607
file content (20 lines) | stat: -rw-r--r-- 433 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
;
; Ullrich von Bassewitz, 23.11.2002
; Christian Krueger, 11-Mar-2017, saved 5 bytes
;
; CC65 runtime: Convert char in ax into a long
;

        .export         aulong, along
        .importzp       sreg

; Convert A from char to long in EAX

along:  ldx     #$ff
        cmp     #$80            ; Positive?
        bcs     store           ; no, apply $FF

aulong: ldx     #0
store:  stx     sreg
        stx     sreg+1
        rts