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zasm: add automated tests and fix a bunch of bugs
A python script generates all possibilities for all supported instructions and compare zasm output with scas. After having fixed a couple of bugs, all tests pass!
This commit is contained in:
Virgil Dupras
parent
8ce528c752
commit
f6dddaa380
152
apps/zasm/tests/geninstrs.py
Executable file
152
apps/zasm/tests/geninstrs.py
Executable file
@ -0,0 +1,152 @@
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#!/usr/bin/python
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# Generate almost all possible combination for instructions from instruction
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# tables
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argspecTbl = {
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'A': "A",
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'B': "B",
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'C': "C",
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'D': "D",
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'E': "E",
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'H': "H",
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'L': "L",
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'h': "HL",
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'l': "(HL)",
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'd': "DE",
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'e': "(DE)",
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'b': "BC",
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'c': "(BC)",
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'a': "AF",
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'f': "AF'",
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'x': "(IX)",
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'y': "(IY)",
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's': "SP",
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'p': "(SP)",
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'Z': "Z",
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'z': "NZ",
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'=': "NC",
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'+': "P",
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'-': "M",
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'1': "PO",
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'2': "PE",
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}
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argGrpTbl = {
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chr(0x01): "bdha",
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chr(0x02): "ZzC=",
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chr(0x03): "bdhs",
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chr(0x0a): "ZzC=+-12",
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chr(0x0b): "BCDEHLA",
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}
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instrTBlPrimary = [
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("ADC", 'A', 'l', 0, 0x8e),
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("ADC", 'A', 0xb, 0, 0b10001000),
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("ADC", 'A', 'n', 0, 0xce ),
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("ADD", 'A', 'l', 0, 0x86 ),
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("ADD", 'A', 0xb, 0, 0b10000000),
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("ADD", 'A', 'n', 0, 0xc6 ),
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("ADD", 'h', 0x3, 4, 0b00001001 ),
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("AND", 'l', 0, 0, 0xa6 ),
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("AND", 0xb, 0, 0, 0b10100000),
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("AND", 'n', 0, 0, 0xe6 ),
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("CALL", 0xa, 'N', 3, 0b11000100),
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("CALL", 'N', 0, 0, 0xcd ),
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("CCF", 0, 0, 0, 0x3f ),
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("CP", 'l', 0, 0, 0xbe ),
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("CP", 0xb, 0, 0, 0b10111000),
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("CP", 'n', 0, 0, 0xfe ),
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("CPL", 0, 0, 0, 0x2f ),
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("DAA", 0, 0, 0, 0x27 ),
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("DI", 0, 0, 0, 0xf3 ),
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("DEC", 'l', 0, 0, 0x35 ),
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("DEC", 0xb, 0, 3, 0b00000101),
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("DEC", 0x3, 0, 4, 0b00001011),
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("DJNZ", 'n', 0,0x80, 0x10 ),
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("EI", 0, 0, 0, 0xfb ),
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("EX", 'p', 'h', 0, 0xe3 ),
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("EX", 'a', 'f', 0, 0x08 ),
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("EX", 'd', 'h', 0, 0xeb ),
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("EXX", 0, 0, 0, 0xd9 ),
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("HALT", 0, 0, 0, 0x76 ),
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("IN", 'A', 'm', 0, 0xdb ),
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("INC", 'l', 0, 0, 0x34 ),
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("INC", 0xb, 0, 3, 0b00000100),
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("INC", 0x3, 0, 4, 0b00000011),
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("JP", 'l', 0, 0, 0xe9 ),
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("JP", 'N', 0, 0, 0xc3 ),
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("JR", 'n', 0,0x80, 0x18 ),
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("JR",'C','n',0x80, 0x38 ),
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("JR",'=','n',0x80, 0x30 ),
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("JR",'Z','n',0x80, 0x28 ),
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("JR",'z','n',0x80, 0x20 ),
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("LD", 'c', 'A', 0, 0x02 ),
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("LD", 'e', 'A', 0, 0x12 ),
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("LD", 'A', 'c', 0, 0x0a ),
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("LD", 'A', 'e', 0, 0x0a ),
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("LD", 's', 'h', 0, 0x0a ),
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("LD", 'l', 0xb, 0, 0b01110000),
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("LD", 0xb, 'l', 3, 0b01000110),
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("LD", 'l', 'n', 0, 0x36 ),
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("LD", 0xb, 'n', 3, 0b00000110),
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("LD", 0x3, 'N', 4, 0b00000001),
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("LD", 'M', 'A', 0, 0x32 ),
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("LD", 'A', 'M', 0, 0x3a ),
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("LD", 'M', 'h', 0, 0x22 ),
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("LD", 'h', 'M', 0, 0x2a ),
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("NOP", 0, 0, 0, 0x00 ),
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("OR", 'l', 0, 0, 0xb6 ),
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("OR", 0xb, 0, 0, 0b10110000),
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("OUT", 'm', 'A', 0, 0xd3 ),
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("POP", 0x1, 0, 4, 0b11000001),
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("PUSH", 0x1, 0, 4, 0b11000101),
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("RET", 0xa, 0, 3, 0b11000000),
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("RET", 0, 0, 0, 0xc9 ),
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("RLA", 0, 0, 0, 0x17 ),
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("RLCA", 0, 0, 0, 0x07 ),
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("RRA", 0, 0, 0, 0x1f ),
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("RRCA", 0, 0, 0, 0x0f ),
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("SBC", 'A', 'l', 0, 0x9e ),
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("SBC", 'A', 0xb, 0, 0b10011000),
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("SCF", 0, 0, 0, 0x37 ),
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("SUB", 'A', 'l', 0, 0x96 ),
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("SUB", 'A', 0xb, 0, 0b10010000),
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("SUB", 'n', 0, 0, 0xd6 ),
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("XOR", 'l', 0, 0, 0xae ),
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("XOR", 0xb, 0, 0, 0b10101000),
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]
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def genargs(argspec):
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if not argspec:
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return ''
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if not isinstance(argspec, str):
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argspec = chr(argspec)
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if argspec in 'nmNM':
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bits = 16 if argspec in 'NM' else 8
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nbs = [str(1 << i) for i in range(bits)]
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if argspec in 'mM':
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nbs = [f"({n})" for n in nbs]
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return nbs
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if argspec in argspecTbl:
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return [argspecTbl[argspec]]
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grp = argGrpTbl[argspec]
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return [argspecTbl[a] for a in grp]
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def main():
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for n, a1, a2, f, op in instrTBlPrimary:
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args1 = genargs(a1)
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if args1:
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for arg1 in args1:
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args2 = genargs(a2)
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if args2:
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for arg2 in args2:
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print(f"{n} {arg1}, {arg2}")
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else:
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print(f"{n} {arg1}")
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else:
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print(n)
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pass
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if __name__ == '__main__':
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main()
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23
apps/zasm/tests/runtests.sh
Executable file
23
apps/zasm/tests/runtests.sh
Executable file
@ -0,0 +1,23 @@
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#!/bin/sh
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set -e
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TMPFILE=$(mktemp)
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SCAS=scas
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ZASM=../emul/zasm
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./geninstrs.py | \
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while read line; do
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echo $line | tee "${TMPFILE}"
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EXPECTED=$($SCAS -o - "${TMPFILE}" | xxd)
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ACTUAL=$(echo $line | $ZASM | xxd)
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if [ "$ACTUAL" == "$EXPECTED" ]; then
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echo ok
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else
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echo actual
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echo $ACTUAL
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echo expected
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echo $EXPECTED
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exit 1
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fi
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done
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@ -223,7 +223,7 @@ toWord:
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readArg:
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push de
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ld de, tmpBuf
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ld a, 6
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ld a, 8
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call readWord
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push hl
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ld hl, tmpBuf
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@ -363,6 +363,7 @@ findInGroup:
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jr z, .specialGroupCC
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cp 0xb
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jr z, .specialGroupABCDEHL
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jr nc, .notfound ; > 0xb? not a group
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pop af
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; regular group
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push de
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@ -660,7 +661,8 @@ argspecTbl:
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; we also need argspecs for the condition flags
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.db 'Z', "Z", 0, 0, 0
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.db 'z', "NZ", 0, 0
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.db '^', "C", 0, 0, 0
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; C is in conflict with the C register. The situation is ambiguous, but
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; doesn't cause actual problems.
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.db '=', "NC", 0, 0
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.db '+', "P", 0, 0, 0
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.db '-', "M", 0, 0, 0
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@ -682,11 +684,11 @@ argspecTbl:
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; The table below is in order, starting with group 0x01
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argGrpTbl:
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.db "bdha" ; 0x01
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.db "Zz^=" ; 0x02
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.db "ZzC=" ; 0x02
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.db "bdhs" ; 0x03
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argGrpCC:
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.db "Zz^=+-12" ; 0xa
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.db "zZ=C12+-" ; 0xa
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argGrpABCDEHL:
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.db "BCDEHL_A" ; 0xb
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@ -705,15 +707,15 @@ argGrpABCDEHL:
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; decreased by 2 (djnz, jr).
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instrTBlPrimary:
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.db "ADC", 0, 'A', 'h', 0, 0x8e ; ADC A, HL
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.db "ADC", 0, 'A', 'l', 0, 0x8e ; ADC A, (HL)
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.db "ADC", 0, 'A', 0xb, 0, 0b10001000 ; ADC A, r
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.db "ADC", 0, 'A', 'n', 0, 0xce ; ADC A, n
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.db "ADD", 0, 'A', 'h', 0, 0x86 ; ADD A, HL
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.db "ADD", 0, 'A', 'l', 0, 0x86 ; ADD A, (HL)
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.db "ADD", 0, 'A', 0xb, 0, 0b10000000 ; ADD A, r
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.db "ADD", 0, 'A', 'n', 0, 0xc6 ; ADD A, n
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.db "ADD", 0, 'h', 0x3, 4, 0b00001001 ; ADD HL, ss
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.db "AND", 0, 'l', 0, 0, 0xa6 ; AND (HL)
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.db "AND", 0, 0xa, 0, 0, 0b10100000 ; AND r
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.db "AND", 0, 0xb, 0, 0, 0b10100000 ; AND r
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.db "AND", 0, 'n', 0, 0, 0xe6 ; AND n
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.db "CALL", 0xa, 'N', 3, 0b11000100 ; CALL cc, NN
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.db "CALL", 'N', 0, 0, 0xcd ; CALL NN
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@ -741,15 +743,15 @@ instrTBlPrimary:
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.db "JP",0,0, 'l', 0, 0, 0xe9 ; JP (HL)
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.db "JP",0,0, 'N', 0, 0, 0xc3 ; JP NN
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.db "JR",0,0, 'n', 0,0x80, 0x18 ; JR e
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.db "JR",0,0,'^','n',0x80, 0x38 ; JR C, e
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.db "JR",0,0,'C','n',0x80, 0x38 ; JR C, e
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.db "JR",0,0,'=','n',0x80, 0x30 ; JR NC, e
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.db "JR",0,0,'Z','n',0x80, 0x28 ; JR Z, e
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.db "JR",0,0,'z','n',0x80, 0x20 ; JR NZ, e
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.db "LD",0,0, 'c', 'A', 0, 0x02 ; LD (BC), A
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.db "LD",0,0, 'e', 'A', 0, 0x12 ; LD (DE), A
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.db "LD",0,0, 'A', 'c', 0, 0x0a ; LD A, (BC)
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.db "LD",0,0, 'A', 'e', 0, 0x0a ; LD A, (DE)
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.db "LD",0,0, 's', 'h', 0, 0x0a ; LD SP, HL
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.db "LD",0,0, 'A', 'e', 0, 0x1a ; LD A, (DE)
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.db "LD",0,0, 's', 'h', 0, 0xf9 ; LD SP, HL
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.db "LD",0,0, 'l', 0xb, 0, 0b01110000 ; LD (HL), r
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.db "LD",0,0, 0xb, 'l', 3, 0b01000110 ; LD r, (HL)
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.db "LD",0,0, 'l', 'n', 0, 0x36 ; LD (HL), n
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@ -765,16 +767,16 @@ instrTBlPrimary:
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.db "OUT", 0, 'm', 'A', 0, 0xd3 ; OUT (n), A
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.db "POP", 0, 0x1, 0, 4, 0b11000001 ; POP qq
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.db "PUSH", 0x1, 0, 4, 0b11000101 ; PUSH qq
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.db "RET", 0, 0xa, 0, 3, 0b11000000 ; RET cc
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.db "RET", 0, 0, 0, 0, 0xc9 ; RET
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.db "RET", 0, 0xa, 0, 3, 0b11000000 ; RET cc
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.db "RLA", 0, 0, 0, 0, 0x17 ; RLA
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.db "RLCA", 0, 0, 0, 0x07 ; RLCA
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.db "RRA", 0, 0, 0, 0, 0x1f ; RRA
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.db "RRCA", 0, 0, 0, 0x0f ; RRCA
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.db "SBC", 0, 'A', 'h', 0, 0x9e ; SBC A, HL
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.db "SBC", 0, 'A', 'l', 0, 0x9e ; SBC A, (HL)
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.db "SBC", 0, 'A', 0xb, 0, 0b10011000 ; SBC A, r
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.db "SCF", 0, 0, 0, 0, 0x37 ; SCF
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.db "SUB", 0, 'A', 'h', 0, 0x96 ; SUB A, HL
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.db "SUB", 0, 'A', 'l', 0, 0x96 ; SUB A, (HL)
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.db "SUB", 0, 'A', 0xb, 0, 0b10010000 ; SUB A, r
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.db "SUB", 0, 'n', 0, 0, 0xd6 ; SUB n
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.db "XOR", 0, 'l', 0, 0, 0xae ; XOR (HL)
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