30 lines
469 B
ArmAsm
30 lines
469 B
ArmAsm
.define .strhp
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.sect .text
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.sect .rom
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.sect .data
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.sect .bss
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.sect .text
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.strhp:
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move.l 4(sp), d1 ! new heap pointer
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cmp.l .limhp, d1
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blt 1f
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add.l #0x400, d1
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and.l #~0x3ff, d1
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move.l d1, .limhp
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move.l d1, -(sp)
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jsr _brk ! allocate 1K bytes of extra storage
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add.l #4, sp
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bcs 2f
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1:
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move.l 4(sp), .reghp ! store new value of heap pointer
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move.l (sp)+,a0
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move.l a0,(sp)
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rts
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2:
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move.l #EHEAP, -(sp)
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jsr .trp
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move.l (sp)+,a0
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move.l a0,(sp)
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rts
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.align 2
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