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to emulate these functions on platforms where one or more of these functions are not available (PET, CBM-II). git-svn-id: svn://svn.cc65.org/cc65/trunk@1544 b7a2c559-68d2-44c3-8de9-860c34a00d81
26 lines
599 B
ArmAsm
26 lines
599 B
ArmAsm
;
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; Marc 'BlackJack' Rintsch, 11.06.1999
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;
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; unsigned char __fastcall__ cbm_k_save(unsigned int start, unsigned int end);
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;
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.export _cbm_k_save
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.import SAVE
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.import popax
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.importzp ptr1, tmp1
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_cbm_k_save:
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sta tmp1 ; store end address
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stx tmp1+1
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jsr popax ; pop start address
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sta ptr1
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stx ptr1+1
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lda #ptr1
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ldx tmp1
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ldy tmp1+1
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jsr SAVE
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bcs @NotOk
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lda #0
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@NotOk: rts
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