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37 lines
737 B
ArmAsm
37 lines
737 B
ArmAsm
include exec/io.i
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include lvo/exec_lib.i
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include devices/trackdisk.i
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bootblock:
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dc.b "DOS",0
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dc.l 0
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dc.l 880
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bootEntry:
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;; a6 = Exec base
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;; a1 = trackdisk.device I/O request pointer
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lea BASE_ADDRESS,a5 ; main.s entry point
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;; move.l #$ff000,a7
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;; Load the progam from the floppy using trackdisk.device
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move.l #mainEnd-mainStart,IO_LENGTH(a1)
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move.l a5,IO_DATA(a1)
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move.l #mainStart-bootblock,IO_OFFSET(a1)
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jsr _LVODoIO(a6)
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;; Turn off drive motor
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move.l #0,IO_LENGTH(a1)
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move.w #TD_MOTOR,IO_COMMAND(a1)
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jsr _LVODoIO(a6)
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jmp (a5) ; -> main.s entry point
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;; Pad the remainder of the bootblock
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cnop 0,1024
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mainStart:
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incbin "out/main.bin"
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cnop 0,512
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mainEnd:
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end |