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https://github.com/hsoft/collapseos.git
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e691dab070
Use IX directly for argspec rows instead of going through DE. It saves a bit of processing. The code was this way because I initially didn't use IX at all, so as code evolved, that DE translation stayed as an artifact.
179 lines
2.5 KiB
NASM
179 lines
2.5 KiB
NASM
jp runTests
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.inc "err.h"
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.inc "core.asm"
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.inc "str.asm"
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.inc "zasm/const.asm"
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.inc "lib/ari.asm"
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.inc "lib/util.asm"
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.inc "zasm/util.asm"
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.inc "lib/parse.asm"
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.equ EXPR_PARSE parseLiteral
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.inc "lib/expr.asm"
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.equ INS_RAMSTART RAMSTART
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.inc "zasm/instr.asm"
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zasmGetPC:
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ret
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zasmIsFirstPass:
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jp unsetZ
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readWord:
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readComma:
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symFindVal:
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xor a
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ret
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ioPutB:
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push hl
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ld hl, SPITBOWL
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push af
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ld a, (SPITCNT)
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call addHL
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inc a
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ld (SPITCNT), a
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pop af
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ld (hl), a
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pop hl
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cp a
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ret
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runTests:
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call testMatchArg
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call testSpitUpcode
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xor a
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halt
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testSpitUpcode:
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ld iy, .t1
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call .test
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ld iy, .t2
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call .test
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ld iy, .t3
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call .test
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ld iy, .t4
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call .test
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ld iy, .t5
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call .test
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ret
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.test:
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; init spitbowl
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xor a
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ld (SPITCNT), a
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ld (SPITBOWL), a
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ld (SPITBOWL+1), a
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ld (SPITBOWL+2), a
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ld (SPITBOWL+3), a
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push iy \ pop ix
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call intoIX
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ld a, (iy+2)
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ld (INS_CURARG1), a
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ld a, (iy+3)
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ld (INS_CURARG1+1), a
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ld a, (iy+4)
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ld (INS_CURARG1+2), a
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ld a, (iy+5)
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ld (INS_CURARG2), a
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ld a, (iy+6)
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ld (INS_CURARG2+1), a
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ld a, (iy+7)
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ld (INS_CURARG2+2), a
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call spitUpcode
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jp nz, fail
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ld a, (SPITCNT)
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cp (iy+8)
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jp nz, fail
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ld a, (SPITBOWL)
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cp (iy+9)
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jp nz, fail
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ld a, (SPITBOWL+1)
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cp (iy+10)
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jp nz, fail
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ld a, (SPITBOWL+2)
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cp (iy+11)
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jp nz, fail
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ld a, (SPITBOWL+3)
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cp (iy+12)
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jp nz, fail
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jp nexttest
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; Test data is a argspec pointer in instrTBl followed by 2*3 bytes of CURARG
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; followed by the expected spit, 1 byte cnt + 4 bytes spits.
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.t1:
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.dw instrTBl+17*6 ; CCF
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.db 0, 0, 0
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.db 0, 0, 0
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.db 1, 0x3f, 0, 0, 0
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.t2:
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.dw instrTBl+10*6 ; AND (IX+0x42)
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.db 'x', 0x42, 0
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.db 0, 0, 0
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.db 3, 0xdd, 0xa6, 0x42, 0
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.t3:
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.dw instrTBl+13*6 ; BIT 4, (IX+3)
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.db 'N', 4, 0
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.db 'x', 3, 0
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.db 4, 0xdd, 0xcb, 0x03, 0x66
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.t4:
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.dw instrTBl+18*6 ; CP (IX+5)
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.db 'x', 5, 0
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.db 0, 0, 0
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.db 3, 0xdd, 0xbe, 0x05, 0
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.t5:
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.dw instrTBl+4*6 ; ADD A, (IX+5)
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.db 'A', 0, 0
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.db 'x', 5, 0
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.db 3, 0xdd, 0x86, 0x05, 0
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testMatchArg:
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ld iy, .t1
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call .test
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ret
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.test:
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ld hl, SPITBOWL
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ld a, (iy+2)
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ld (hl), a
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push iy \ pop de
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call intoDE
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push de \ pop ix
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ld a, (ix+1)
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call matchArg
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jp nz, fail
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ld a, (iy+3)
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ld (hl), a
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ld a, (ix+2)
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call matchArg
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jp nz, fail
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jp nexttest
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; Test data is argspec pointer followed by two bytes: first bytes of our two
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; CURARG.
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.t1:
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.dw instrTBl+4*6 ; ADD A, (IX)
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.db 'A', 'x'
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nexttest:
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ld a, (testNum)
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inc a
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ld (testNum), a
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ret
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fail:
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ld a, (testNum)
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halt
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testNum: .db 1
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SPITCNT:
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.db 0
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SPITBOWL:
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.db 0, 0, 0, 0
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DIREC_LASTVAL:
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.db 0, 0
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RAMSTART:
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