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135cfc6169
- did a 'setcom 60' to catch the weird formatting - created a dummy routine to go in the .root file. - this file didn't originally compile due to unresolved references to ExtVect2. Looking at the source it appears that someone had started to modify it to allow a second interrupt vector, but handn't finished the job. I commented out the initialization and checking of ExtVect2. simlib.asm: - did a 'setcom 60' to catch the weird formatting - created a dummy routine to go in the .root file. Makefile: - complete overhaul to fit into the GNO base builds
99 lines
1.4 KiB
NASM
99 lines
1.4 KiB
NASM
setcom 60
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mcopy simlib.mac
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copy simequates.equ
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dummysim1 start ; ends up in .root
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end
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* High-level access library for SIM tool
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InstallIntVect START
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using SIMLibData
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result equ 0
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subroutine (4:address,2:port),2
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lda port
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sta SIMport
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lda address
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sta SIMaddress
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lda address+2
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sta SIMaddress+2
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lda #SIMInstallHand
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jsr DoSIMCall
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lda |Gerror
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sta result
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return 2:result
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END
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RemoveIntVect START
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using SIMLibData
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result equ 0
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subroutine (4:address,2:port),2
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lda port
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sta SIMport
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lda address
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sta SIMaddress
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lda address+2
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sta SIMaddress+2
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lda #SIMRemoveHand
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jsr DoSIMCall
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lda |Gerror
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sta result
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return 2:result
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END
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SIMVersion START
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using SIMLibData
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result equ 0
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subroutine (4:versionPtr),2
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lda #SIMGetVersion
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jsr DoSIMCall
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lda |Gerror
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sta result
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bne goodbye if an error, don't copy version
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lda Gversion
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sta [versionPtr]
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goodbye return 2:result
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END
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DoSIMCall START
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using SIMLibData
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pha push request code
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pea 1 how to flag
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ph4 #SIMName
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ph4 #SIMInData
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ph4 #pBlock
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_SendRequest
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bcc noToolErr
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cmp #$0120 ; nobody accepted the request
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beq noAccept
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rts
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noAccept lda #SIMNotFound
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sta |Gerror
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noToolErr rts
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END
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SIMLibData DATA
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SIMName str 'SerialIntrMgr~Entry~'
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pBlock dc i2'0' ; count field
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Gerror dc i2'0' ; error code
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Gversion dc i2'0' ; version number
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SIMInData ENTRY
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SIMport dc i2'0'
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SIMaddress dc i4'0'
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END
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