21 lines
504 B
ArmAsm
21 lines
504 B
ArmAsm
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; Ullrich von Bassewitz, 31.08.1998
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; CC65 runtime: Load ptr1 from offset in stack
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;
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.export ldptr10sp, ldptr1ysp
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.importzp c_sp, ptr1
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; Beware: The optimizer knows about the value in Y after return!
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ldptr10sp:
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ldy #1
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ldptr1ysp:
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lda (c_sp),y ; get high byte
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sta ptr1+1 ; and save it
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dey ; point to lo byte
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lda (c_sp),y ; load low byte
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sta ptr1
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rts
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