73 lines
784 B
ArmAsm
73 lines
784 B
ArmAsm
#
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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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.define .rst_init
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.rst_init:
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mvi a, 0xc3 ! jmp <a16>
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sta 0x08
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sta 0x10
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sta 0x18
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lxi h, rst1
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shld 0x09
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lxi h, rst2
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shld 0x11
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lxi h, rst3
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shld 0x19
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ret
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! de = [bc+const1] (remember bc is the frame pointer)
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rst1:
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pop h
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mov a, m
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inx h
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push h
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mov l, a
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ral
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sbb a
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mov h, a
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dad b
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mov e, m
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inx h
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mov d, m
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ret
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! [bc+const1] = de (remember bc is the frame pointer)
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rst2:
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pop h
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mov a, m
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inx h
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push h
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mov l, a
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ral
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sbb a
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mov h, a
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dad b
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mov m, e
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inx h
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mov m, d
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ret
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! hl = bc+const1
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rst3:
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pop h
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mov a, m
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inx h
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push h
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mov l, a
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ral
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sbb a
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mov h, a
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dad b
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ret
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