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c535201884
We want to be able to declare a symbol for a struct or buffer that spans the entire width, and then declare more-specific items within it that take precedence. This worked for everything but the very first byte, because on an exact match we were resolving the conflict alphabetically. Now, if one is wider than the other, we use the narrower definition. Updated 2021-external-symbols with some additional test cases.
180 lines
5.3 KiB
ArmAsm
180 lines
5.3 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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nop
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; test I/O direction
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Dir equ $5000
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lda Dir
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lda Dir+1
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ldx Dir+2
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ldy Dir+3
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sta Dir
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sta Dir+1
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stx Dir+2
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sty Dir+3
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nop
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; test MULTI_MASK stuff
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bit $c000 ;should all be AlsoMultiZero
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bit $c010 ;<-- except this NonMultiOver
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bit $c020
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bit $c0f0
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nop
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bit $c001 ;should all be MultiOne
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bit $c011
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bit $c021
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nop
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bit $c002 ;should all be hex
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bit $c012
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bit $c022
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nop
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lda $c003
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lda $c004 ;MultiRead
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lda $c005 ;MultiRead+1
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lda $c006 ;MultiRead+2
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lda $c007
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sta $c004
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sta $c005 ;MultiWrite
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sta $c006 ;MultiWrite+1
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sta $c007 ;MultiWrite+2
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sta $c008
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nop
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jsr $c005 ;MultiRead+1
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nop
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bit $c100 ;should all be MoreMultiZero
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bit $c110 ;<-- except this AlsoMoreMultiZero
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bit $c120
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bit $c1f0
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nop
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; test some more overlapping symbols
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lda $6000 ;OverA_0
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lda $6100 ;OverA_1
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lda $6200 ;OverB_2
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lda $6304 ;OverB_3 + 4
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lda $6400 ;OverA_4 - 1
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lda $6401 ;OverA_4
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lda $6402 ;OverB_4
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lda $6403 ;OverC_4
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END rts
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