47 lines
499 B
ArmAsm
47 lines
499 B
ArmAsm
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.define .sti
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! Store indirect
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! Expects on stack: number of bytes to be stored
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! bytes to be stored
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.sti: pop h
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shld .retadr
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mov l,c
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mov h,b
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shld .bcreg ! save bc
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pop h
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xra a
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mov a,d
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rar
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mov d,a
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mov a,e
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rar
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mov e,a ! de = word count
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jnc 1f
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! if 1 byte array element only:
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mov a,d ! trap if de odd and <>1
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ora e
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cnz eoddz
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pop b
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mov m,c
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jmp 2f
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1: pop b
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mov m,c
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inx h
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mov m,b
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inx h
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dcx d
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mov a,d
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ora e
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jnz 1b
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2: lhld .bcreg
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mov c,l
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mov b,h
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lhld .retadr
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pchl
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