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cc65/libsrc/geos-common/system/setoserror.s

16 lines
334 B
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