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cc65/libsrc/geos/disk/setoserror.s
izydorst e6e35390d1 all functions returning char in A now have X cleared
git-svn-id: svn://svn.cc65.org/cc65/trunk@1868 b7a2c559-68d2-44c3-8de9-860c34a00d81
2003-01-02 01:50:39 +00:00

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ArmAsm

;
; Maciej 'YTM/Elysium' Witkowiak
;
; 2.1.2003
;
.export setoserror
.import __oserror
setoserror:
stx __oserror
txa
ldx #0 ; X is cleared (high byte for promoting char to int)
tay ; Y register is used just to save flags state
rts