69 lines
1,006 B
ArmAsm
69 lines
1,006 B
ArmAsm
.define .lino,.filn
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.define EXIT,WRITE,BRK
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.define begtext,begdata,begbss
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.define EARRAY,ERANGE,ESET,EIDIVZ,EHEAP,EILLINS,ECASE,EBADGTO
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.define hol0,.reghp,.limhp,.trpim,.trppc
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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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! runtime startof for 68020 machine
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LINO_AD = 0
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FILN_AD = 4
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EARRAY = 0
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ERANGE = 1
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ESET = 2
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EIDIVZ = 6
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EHEAP = 17
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EILLINS = 18
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ECASE = 20
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EBADGTO = 27
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.sect .text
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begtext:
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move.l (sp),d2
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lea 4(sp),a0
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move.l d2,d1
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add.l #1,d1
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asl.l #2,d1
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move.l a0,a1
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add.l d1,a1
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pea (a1)
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pea (a0)
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move.l d2,-(sp)
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move.l #0,a6
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jsr __m_a_i_n
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move.l d0,(sp) ! no stack cleanup needed
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EXIT:
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jsr __exit
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WRITE: jmp __write
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BRK: jmp __brk
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.sect .data
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begdata:
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.data4 0 ! may be at virtual address 0 with no problem
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hol0:
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.lino:
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.data4 0 ! lino
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.filn:
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.data4 0 ! filn
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.reghp:
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.data4 endbss
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.limhp:
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.data4 endbss
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.trppc:
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.data4 0
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.trpim:
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.data4 0 ! USED TO BE 2 BYTES; IS THIS RIGHT?
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.sect .bss
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begbss: !initialization is not needed because ALL entries are in zero space!
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