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cc65/libsrc/atari/toascii.s
cpg 5a593b8105 poor man's _toascii routine, contributed by Fatih Aygun
git-svn-id: svn://svn.cc65.org/cc65/trunk@4477 b7a2c559-68d2-44c3-8de9-860c34a00d81
2009-11-23 21:35:33 +00:00

20 lines
252 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