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cc65/libsrc/atari/toascii.s

20 lines
277 B
ArmAsm

;
; unsigned char __fastcall__ toascii (unsigned char c);
; /* Convert a target specific character to ascii */
;
.export _toascii
.proc _toascii
; Clear the inverse video bit
and #$7F
; X must be zero on return
ldx #0
; Done!
rts
.endproc