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Split 2005x-branches-and-banks into two parts, one that stays within the 64K bounds of the 6502, one that puts code in a separate bank.
55 lines
989 B
ArmAsm
55 lines
989 B
ArmAsm
.cpu "65816"
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zero = $00
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longsym = $123456
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* = $1000
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.as
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.xs
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clc
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xce
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sep #$30
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jml L440000
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lodat .byte $00
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.byte $01
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.byte $02
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.logical $440000
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L440000 cmp L440000
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L440004 lda L440000
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lda @w0+(L440000 & $ffff)
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lda zero
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bmi L440004
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per high44
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bne high44
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brl L44FFC0
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dat44 .word 0+(dat44 & $ffff)
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.long dat44
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.here
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.logical $44ffc0
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L44FFC0 cmp L44FFC0
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high44 beq _L44FFCB
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bmi L440004
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brl L440004
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_L44FFCB jml _L2000
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.here
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.logical $2000
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_L2000 bit _L2000
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pea 0+(dat44 & $ffff)
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pea 0+(dat44 >> 16)
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bne _L200E
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jml [lodat]
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_L200E nop
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jsr j2
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j2 jsr j2+3
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jsr j2-3
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jsl longsym
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rts
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.here
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