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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.
121 lines
3.8 KiB
ArmAsm
121 lines
3.8 KiB
ArmAsm
; Copyright 2019 faddenSoft. All Rights Reserved.
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; See the LICENSE.txt file for distribution terms (Apache 2.0).
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;
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; Assembler: Merlin 32
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; EDIT: the project must include the three platform symbol files.
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org $1000
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; make sure platform symbols don't get set for file data
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; DO NOT set a user label here
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Start lda Start-1 ;CodeWrap+255
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ldx Start ;(auto)
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ldy Start+1 ;(auto+1)
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lda END ;(auto)
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lda END+1 ;CodeWrap+X
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lda END+8 ;CodeWrap+Y
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nop
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; test overlapping labels (multiple sym files)
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lda $1ffe ;(no sym)
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lda $1fff ;should be SameName1-1
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lda $2000 ;should be SameName1
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lda $200f ;(no sym)
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lda $2010 ;should be SameName2-1
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lda $2011 ;should be SameName2
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lda $2012 ;(no sym)
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lda $201f ;(no sym)
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lda $2020 ;(no sym)
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lda $2021 ;should be sym-1
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lda $2022 ;should be SameName3
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nop
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; test overlapping values (multiple sym files)
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lda $2100 ;should be SameValA_A
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lda $2110 ;should be SameValB_A
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lda $2120 ;should be SameValC_C
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nop
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; test overlap with project symbol
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; EDIT: define project symbols ProjSym1 at $2202(4b) and ProjSim2 at $220a(1b)
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lda $21fe ;(no sym)
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lda $21ff ;SYM-1
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lda $2200 ;ChkProj1
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lda $2201 ;ChkProj1+1
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lda $2202 ;ProjSym
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lda $2203 ;ProjSym1+1
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lda $2204 ;ProjSym1+2
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lda $2205 ;ProjSym1+3
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lda $2206 ;ChkProj2+2
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lda $2207 ;ChkProj2+3
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lda $2208 ;(no sym)
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lda $2209 ;ProjSym2-1
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lda $220a ;ProjSym2
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lda $220b ;(no sym)
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nop
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; test overlapping regions, single file
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lda $2ffe ;(no sym)
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lda $2fff ;Over1-1
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lda $3000 ;Over1
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lda $3001 ;Over1+1
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lda $3002 ;Over2
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lda $3003 ;Over2+1
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lda $3004 ;Over2+2
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lda $3005 ;Over2+3
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lda $3006 ;Over2a
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lda $3007 ;Over3+1
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lda $3008 ;Over3+2
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lda $3009 ;Over3+3
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lda $300a ;Over3+4
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lda $300b ;Over3+5
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lda $300c ;Over3+6
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lda $300d ;Over1+13
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lda $300e ;Over1+14
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lda $300f ;Over1+15
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lda $3010 ;(no sym)
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nop
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; test overlapping regions, multiple platform files
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lda $30fe ;(no sym)
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lda $30ff ;SepOver1-1
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lda $3100 ;SepOver1
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lda $3101 ;SepOver1+1
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lda $3102 ;SepOver1+2
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lda $3103 ;SepOver1+3
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lda $3104 ;SepOver2+2
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lda $3105 ;SepOver2+3
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lda $3106 ;(no sym)
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nop
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; test overlap with local variable
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; EDIT: create variable LocalVar at $41(2b)
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ldx $3e ;(no sym)
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ldx $3f ;should be OverVar-1
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ldx $40 ;should be OverVar
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ldx $41 ;should be LocalVar
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ldx $42 ;should be LocalVar+1
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ldx $43 ;should be OverVar+3
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ldx $44 ;(no sym)
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nop
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lda $3fff ;EDIT: change to "FatConst"
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lda $4000 ;(no sym)
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lda $4001 ;(no sym)
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; test bank wrap
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lda $fff8 ;should be BankWrap+8
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lda $08 ;should be BankWrap+24 or <BankWrap-232
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END rts
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