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37855c8f8e
Handle situation where a symbol wraps around a bank. Updated 2021-external-symbols for that, and to test the behavior when file data and an external symbol overlap. The bank-wrap test turned up a bug in Merlin 32. A workaround has been added. Updated documentation to explain widths.
109 lines
2.6 KiB
ArmAsm
109 lines
2.6 KiB
ArmAsm
!cpu 6502
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OverVar = $40
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CodeWrap = $0f00 ;encases program
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SameName1 = $2000
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SameName2 = $2011
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SameName3 = $2022
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SameValA_A = $2100
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SameValB_A = $2110
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SameValC_C = $2120
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ChkProj1 = $2200
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ProjSym1 = $2202
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ChkProj2 = $2204
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ProjSym2 = $220a
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Over1 = $3000 ;$3000-300f, inclusive
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Over2 = $3002 ;$3002-3009
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Over2a = $3006 ;$3006
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Over3 = $3006 ;$3006-300c
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SepOver1 = $3100 ;$3100-3103, inclusive
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SepOver2 = $3102 ;$3102-3105, inclusive
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FatConst = $4000
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BankWrap = $fff0
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* = $1000
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L1000 lda CodeWrap+255
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ldx L1000
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ldy L1000+1
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lda L10DD
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lda CodeWrap+478
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lda CodeWrap+485
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nop
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lda $1ffe
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lda SameName1-1
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lda SameName1
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lda $200f
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lda SameName2-1
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lda SameName2
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lda $2012
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lda $201f
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lda $2020
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lda SameName3-1
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lda SameName3
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nop
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lda SameValA_A
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lda SameValB_A
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lda SameValC_C
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nop
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lda $21fe
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lda ChkProj1-1
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lda ChkProj1
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lda ChkProj1+1
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lda ProjSym1
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lda ProjSym1+1
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lda ProjSym1+2
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lda ProjSym1+3
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lda ChkProj2+2
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lda ChkProj2+3
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lda $2208
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lda ProjSym2-1
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lda ProjSym2
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lda $220b
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nop
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lda $2ffe
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lda Over1-1
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lda Over1
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lda Over1+1
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lda Over2
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lda Over2+1
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lda Over2+2
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lda Over2+3
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lda Over2a
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lda Over3+1
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lda Over3+2
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lda Over3+3
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lda Over3+4
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lda Over3+5
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lda Over3+6
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lda Over1+13
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lda Over1+14
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lda Over1+15
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lda $3010
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nop
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lda $30fe
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lda SepOver1-1
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lda SepOver1
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lda SepOver1+1
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lda SepOver1+2
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lda SepOver1+3
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lda SepOver2+2
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lda SepOver2+3
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lda $3106
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nop
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!zone Z0000c0
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.LocalVar = $41
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ldx $3e
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ldx OverVar-1
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ldx OverVar
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ldx .LocalVar
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ldx .LocalVar+1
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ldx OverVar+3
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ldx $44
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nop
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lda FatConst-1
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lda $4000
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lda $4001
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lda BankWrap+8
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lda <BankWrap-232
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L10DD rts
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