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38 lines
717 B
ArmAsm
38 lines
717 B
ArmAsm
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; Maciej 'YTM/Elysium' Witkowiak
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; 30.10.99, 15.8.2003
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;
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; void Sleep (int jiffies);
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;
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.export _Sleep
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.include "../inc/jumptab.inc"
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.include "../inc/geossym.inc"
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.importzp ptr1
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.importzp tmp1
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_SleepExit:
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jsr Sleep ; call Sleep
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ldx tmp1
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txs ; restore stack pointer
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jmp (ptr1) ; when timeouts control will reach here
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_Sleep:
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sta r0L ; store data
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stx r0H
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pla
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sta ptr1
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pla
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sta ptr1+1 ; preserve return address
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inc ptr1
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bne @L0
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inc ptr1+1 ; fix return address
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@L0: tsx
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stx tmp1 ; preserve stack pointer
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jsr _SleepExit ; call Sleep
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jmp MainLoop ; immediate return here - go to idle loop
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