mirror of https://github.com/jefftranter/udis.git
410 lines
15 KiB
Python
410 lines
15 KiB
Python
##########################################################################
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#
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# Processor specific code
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# CPU = "8051"
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# Description = "Intel 8051 8-bit microprocessor."
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# DataWidth = 8 # 8-bit data
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# AddressWidth = 16 # 16-bit addresses
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# Maximum length of an instruction (for formatting purposes)
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maxLength = 3
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# Leadin bytes for multibyte instructions
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leadInBytes = []
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# Addressing mode table
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# List of addressing modes and corresponding format strings for operands.
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addressModeTable = {
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"" : "",
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"@a+dptr" : "@a+dptr",
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"@dptr,a" : "@dptr,a",
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"@r0" : "@r0",
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"@r0,a" : "@r0,a",
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"@r0,direct" : "@r0,${0:02X}",
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"@r0,immed" : "@r0,#${0:02X}",
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"@r0,immed,offset" : "@r0,#${0:02x},${1:02X}",
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"@r1" : "@r1",
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"@r1,a" : "@r1,a",
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"@r1,direct" : "@r1,${0:02X}",
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"@r1,immed" : "@r1,#${0:02X}",
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"@r1,immed,offset" : "@r1,#${0:02x},${1:02X}",
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"a" : "a",
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"a,@a+dptr" : "a,@a+dptr",
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"a,@a+pc" : "a,@a+pc",
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"a,@dptr" : "a,@dptr",
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"a,@r0" : "a,@r0",
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"a,@r1" : "a,@r1",
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"a,direct" : "a,${0:02X}",
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"a,direct,offset" : "a,${0:02x},${1:02X}",
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"a,immed" : "a,#${0:02X}",
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"a,immed,offset" : "a,#${0:02x},${1:02X}",
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"a,r0" : "a,r0",
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"a,r1" : "a,r1",
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"a,r2" : "a,r2",
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"a,r3" : "a,r3",
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"a,r4" : "a,r4",
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"a,r5" : "a,r5",
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"a,r6" : "a,r6",
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"a,r7" : "a,r7",
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"ab" : "ab",
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"addr11" : "${0:02X}",
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"addr16" : "${1:02X}{0:02X}",
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"bit" : "${0:02X}",
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"bit,c" : "${0:02X},c",
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"bit,offset" : "${0:02X},${1:02X}",
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"c" : "c",
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"c,bit" : "c,${0:02X}",
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"direct" : "${0:02X}",
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"direct,@r0" : "${0:02X},@r0",
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"direct,@r1" : "${0:02X},@r1",
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"direct,a" : "${0:02X},a",
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"direct,direct" : "${0:02X},${1:02X}",
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"direct,immed" : "${0:02X},#${1:02X}",
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"direct,offset" : "${0:02X},${1:02X}",
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"direct,r0" : "${0:02X},r0",
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"direct,r1" : "${0:02X},r1",
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"direct,r2" : "${0:02X},r2",
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"direct,r3" : "${0:02X},r3",
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"direct,r4" : "${0:02X},r4",
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"direct,r5" : "${0:02X},r5",
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"direct,r6" : "${0:02X},r6",
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"direct,r7" : "${0:02X},r7",
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"dptr" : "dptr",
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"dptr,immed" : "dptr,#${0:02X}",
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"offset" : "${0:04X}",
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"r0" : "r0",
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"r0,a" : "r0,a",
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"r0,direct" : "r0,${0:02X}",
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"r0,immed" : "r0,#${0:02X}",
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"r0,immed,offset" : "r0,#${0:02x},${1:02X}",
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"r0,offset" : "r0,${0:02X}",
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"r1" : "r1",
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"r1,a" : "r1,a",
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"r1,direct" : "r1,${0:02X}",
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"r1,immed" : "r1,#${0:02X}",
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"r1,immed,offset" : "r1,#${0:02x},${1:02X}",
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"r1,offset" : "r1,${0:02X}",
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"r2" : "r2",
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"r2,a" : "r2,a",
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"r2,direct" : "r2,${0:02X}",
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"r2,immed" : "r2,#${0:02X}",
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"r2,immed,offset" : "r2,#${0:02x},${1:02X}",
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"r2,offset" : "r2,${0:02X}",
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"r3" : "r3",
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"r3,a" : "r3,a",
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"r3,direct" : "r3,${0:02X}",
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"r3,immed" : "r3,#${0:02X}",
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"r3,immed,offset" : "r3,#${0:02x},${1:02X}",
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"r3,offset" : "r3,${0:02X}",
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"r4" : "r4",
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"r4,a" : "r4,a",
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"r4,direct" : "r4,${0:02X}",
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"r4,immed" : "r4,#${0:02X}",
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"r4,immed,offset" : "r4,#${0:02x},${1:02X}",
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"r4,offset" : "r4,${0:02X}",
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"r5" : "r5",
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"r5,a" : "r5,a",
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"r5,direct" : "r5,${0:02X}",
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"r5,immed" : "r5,#${0:02X}",
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"r5,immed,offset" : "r5,#${0:02x},${1:02X}",
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"r5,offset" : "r5,${0:02X}",
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"r6" : "r6",
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"r6,a" : "r6,a",
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"r6,direct" : "r6,${0:02X}",
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"r6,immed" : "r6,#${0:02X}",
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"r6,immed,offset" : "r6,#${0:02x},${1:02X}",
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"r6,offset" : "r6,${0:02X}",
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"r7" : "r7",
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"r7,a" : "r7,a",
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"r7,direct" : "r7,${0:02X}",
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"r7,immed" : "r7,#${0:02X}",
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"r7,immed,offset" : "r7,#${0:02x},${1:02X}",
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"r7,offset" : "r7,${0:02X}",
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}
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# Op Code Table
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# Key is numeric opcode (possibly multiple bytes)
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# Value is a list:
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# # bytes
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# mnemonic
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# addressing mode
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# flags (e.g. pcr)
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opcodeTable = {
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0x00 : [ 1, "nop", "" ],
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0x01 : [ 2, "ajmp", "addr11" ],
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0x02 : [ 3, "ljmp", "addr16" ],
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0x03 : [ 1, "rr", "a" ],
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0x04 : [ 1, "inc", "a" ],
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0x05 : [ 2, "inc", "direct" ],
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0x06 : [ 1, "inc", "@r0" ],
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0x07 : [ 1, "inc", "@r1" ],
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0x08 : [ 1, "inc", "r0" ],
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0x09 : [ 1, "inc", "r1" ],
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0x0a : [ 1, "inc", "r2" ],
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0x0b : [ 1, "inc", "r3" ],
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0x0c : [ 1, "inc", "r4" ],
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0x0d : [ 1, "inc", "r5" ],
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0x0e : [ 1, "inc", "r6" ],
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0x0f : [ 1, "inc", "r7" ],
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0x10 : [ 3, "jbc", "bit,offset" ],
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0x11 : [ 2, "acall", "addr11" ],
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0x12 : [ 3, "lcall", "addr16" ],
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0x13 : [ 1, "rrc", "a" ],
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0x14 : [ 1, "dec", "a" ],
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0x15 : [ 2, "dec", "direct" ],
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0x16 : [ 1, "dec", "r0" ],
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0x17 : [ 1, "dec", "@r1" ],
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0x18 : [ 1, "dec", "r0" ],
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0x19 : [ 1, "dec", "r1" ],
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0x1a : [ 1, "dec", "r2" ],
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0x1b : [ 1, "dec", "r3" ],
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0x1c : [ 1, "dec", "r4" ],
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0x1d : [ 1, "dec", "r5" ],
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0x1e : [ 1, "dec", "r6" ],
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0x1f : [ 1, "dec", "r7" ],
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0x20 : [ 3, "jb", "bit,offset" ],
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0x21 : [ 2, "ajmp", "addr11" ],
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0x22 : [ 1, "ret", "" ],
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0x23 : [ 1, "rl", "a" ],
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0x24 : [ 2, "add", "a,immed" ],
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0x25 : [ 2, "add", "a,direct" ],
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0x26 : [ 1, "add", "a,r0" ],
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0x27 : [ 1, "add", "a,@r1" ],
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0x28 : [ 1, "add", "a,r0" ],
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0x29 : [ 1, "add", "a,r1" ],
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0x2a : [ 1, "add", "a,r2" ],
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0x2b : [ 1, "add", "a,r3" ],
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0x2c : [ 1, "add", "a,r4" ],
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0x2d : [ 1, "add", "a,r5" ],
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0x2e : [ 1, "add", "a,r6" ],
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0x2f : [ 1, "add", "a,r7" ],
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0x30 : [ 3, "jnb", "bit,offset" ],
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0x31 : [ 2, "acall", "addr11" ],
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0x32 : [ 1, "reti", "" ],
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0x33 : [ 1, "rlc", "a" ],
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0x34 : [ 2, "addc", "a,immed" ],
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0x35 : [ 2, "addc", "a,direct" ],
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0x36 : [ 1, "addc", "a,@r0" ],
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0x37 : [ 1, "addc", "a,@r1" ],
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0x38 : [ 1, "addc", "a,r0" ],
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0x39 : [ 1, "addc", "a,r1" ],
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0x3a : [ 1, "addc", "a,r2" ],
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0x3b : [ 1, "addc", "a,r3" ],
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0x3c : [ 1, "addc", "a,r4" ],
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0x3d : [ 1, "addc", "a,r5" ],
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0x3e : [ 1, "addc", "a,r6" ],
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0x3f : [ 1, "addc", "a,r7" ],
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0x40 : [ 2, "jc", "offset",pcr ],
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0x41 : [ 2, "ajmp", "addr11" ],
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0x42 : [ 2, "orl", "direct,a" ],
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0x43 : [ 3, "orl", "direct,immed" ],
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0x44 : [ 2, "orl", "a,immed" ],
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0x45 : [ 2, "orl", "a,direct" ],
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0x46 : [ 1, "orl", "a,@r0" ],
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0x47 : [ 1, "orl", "a,@r1" ],
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0x48 : [ 1, "orl", "a,r0" ],
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0x49 : [ 1, "orl", "a,r1" ],
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0x4a : [ 1, "orl", "a,r2" ],
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0x4b : [ 1, "orl", "a,r3" ],
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0x4c : [ 1, "orl", "a,r4" ],
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0x4d : [ 1, "orl", "a,r5" ],
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0x4e : [ 1, "orl", "a,r6" ],
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0x4f : [ 1, "orl", "a,r7" ],
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0x50 : [ 2, "jnc", "offset", pcr ],
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0x51 : [ 2, "acall", "addr11" ],
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0x52 : [ 2, "anl", "direct,a" ],
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0x53 : [ 3, "anl", "direct,immed" ],
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0x54 : [ 2, "anl", "a,immed" ],
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0x55 : [ 2, "anl", "a,direct" ],
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0x56 : [ 1, "anl", "a,@r0" ],
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0x57 : [ 1, "anl", "a,@r1" ],
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0x58 : [ 1, "anl", "a,r0" ],
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0x59 : [ 1, "anl", "a,r1" ],
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0x5a : [ 1, "anl", "a,r2" ],
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0x5b : [ 1, "anl", "a,r3" ],
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0x5c : [ 1, "anl", "a,r4" ],
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0x5d : [ 1, "anl", "a,r5" ],
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0x5e : [ 1, "anl", "a,r6" ],
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0x5f : [ 1, "anl", "a,r7" ],
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0x60 : [ 2, "jz", "offset", pcr ],
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0x61 : [ 2, "ajmp", "addr11" ],
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0x62 : [ 2, "xrl", "direct,a" ],
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0x63 : [ 3, "xrl", "direct,immed" ],
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0x64 : [ 2, "xrl", "a,immed" ],
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0x65 : [ 2, "xrl", "a,direct" ],
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0x66 : [ 1, "xrl", "a,@r0" ],
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0x67 : [ 1, "xrl", "a,@r1" ],
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0x68 : [ 1, "xrl", "a,r0" ],
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0x69 : [ 1, "xrl", "a,r1" ],
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0x6a : [ 1, "xrl", "a,r2" ],
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0x6b : [ 1, "xrl", "a,r3" ],
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0x6c : [ 1, "xrl", "a,r4" ],
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0x6d : [ 1, "xrl", "a,r5" ],
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0x6e : [ 1, "xrl", "a,r6" ],
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0x6f : [ 1, "xrl", "a,r7" ],
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0x70 : [ 2, "jnz", "offset", pcr ],
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0x71 : [ 2, "acall", "addr11" ],
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0x72 : [ 2, "orl", "c,bit" ],
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0x73 : [ 1, "jmp", "@a+dptr" ],
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0x74 : [ 2, "mov", "a,immed" ],
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0x75 : [ 3, "mov", "direct,immed" ],
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0x76 : [ 2, "mov", "@r0,immed" ],
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0x77 : [ 2, "mov", "@r1,immed" ],
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0x78 : [ 2, "mov", "r0,immed" ],
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0x79 : [ 2, "mov", "r1,immed" ],
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0x7a : [ 2, "mov", "r2,immed" ],
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0x7b : [ 2, "mov", "r3,immed" ],
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0x7c : [ 2, "mov", "r4,immed" ],
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0x7d : [ 2, "mov", "r5,immed" ],
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0x7e : [ 2, "mov", "r6,immed" ],
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0x7f : [ 2, "mov", "r7,immed" ],
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0x80 : [ 2, "sjmp", "offset", pcr ],
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0x81 : [ 2, "ajmp", "addr11" ],
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0x82 : [ 2, "anl", "c,bit" ],
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0x83 : [ 1, "movc", "a,@a+pc" ],
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0x84 : [ 1, "div", "ab" ],
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0x85 : [ 3, "mov", "direct,direct" ],
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0x86 : [ 2, "mov", "direct,@r0" ],
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0x87 : [ 2, "mov", "direct,@r1" ],
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0x88 : [ 2, "mov", "direct,r0" ],
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0x89 : [ 2, "mov", "direct,r1" ],
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0x8a : [ 2, "mov", "direct,r2" ],
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0x8b : [ 2, "mov", "direct,r3" ],
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0x8c : [ 2, "mov", "direct,r4" ],
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0x8d : [ 2, "mov", "direct,r5" ],
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0x8e : [ 2, "mov", "direct,r6" ],
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0x8f : [ 2, "mov", "direct,r7" ],
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0x90 : [ 3, "mov", "dptr,immed" ],
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0x91 : [ 2, "acall", "addr11" ],
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0x92 : [ 2, "mov", "bit,c" ],
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0x93 : [ 1, "movc", "a,@a+dptr" ],
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0x94 : [ 2, "subb", "a,immed" ],
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0x95 : [ 2, "subb", "a,direct" ],
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0x96 : [ 1, "subb", "a,@r0" ],
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0x97 : [ 1, "subb", "a,@r1" ],
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0x98 : [ 1, "subb", "a,r0" ],
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0x99 : [ 1, "subb", "a,r1" ],
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0x9a : [ 1, "subb", "a,r2" ],
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0x9b : [ 1, "subb", "a,r3" ],
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0x9c : [ 1, "subb", "a,r4" ],
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0x9d : [ 1, "subb", "a,r5" ],
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0x9e : [ 1, "subb", "a,r6" ],
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0x9f : [ 1, "subb", "a,r7" ],
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0xa0 : [ 2, "orl", "c,bit" ],
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0xa1 : [ 2, "ajmp", "addr11" ],
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0xa2 : [ 2, "mov", "c,bit" ],
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0xa3 : [ 1, "inc", "dptr" ],
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0xa4 : [ 1, "mul", "ab" ],
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0xa6 : [ 2, "mov", "@r0,direct" ],
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0xa7 : [ 2, "mov", "@r1,direct" ],
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0xa8 : [ 2, "mov", "r0,direct" ],
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0xa9 : [ 2, "mov", "r1,direct" ],
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0xaa : [ 2, "mov", "r2,direct" ],
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0xab : [ 2, "mov", "r3,direct" ],
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0xac : [ 2, "mov", "r4,direct" ],
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0xad : [ 2, "mov", "r5,direct" ],
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0xae : [ 2, "mov", "r6,direct" ],
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0xaf : [ 2, "mov", "r7,direct" ],
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0xb0 : [ 2, "anl", "c,bit" ],
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0xb1 : [ 2, "acall", "addr11" ],
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0xb2 : [ 2, "cpl", "bit" ],
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0xb3 : [ 1, "cpl", "c" ],
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0xb4 : [ 3, "cjne", "a,immed,offset" ],
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0xb5 : [ 3, "cjne", "a,direct,offset" ],
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0xb6 : [ 3, "cjne", "@r0,immed,offset" ],
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0xb7 : [ 3, "cjne", "@r1,immed,offset" ],
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0xb8 : [ 3, "cjne", "r0,immed,offset" ],
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0xb9 : [ 3, "cjne", "r1,immed,offset" ],
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0xba : [ 3, "cjne", "r2,immed,offset" ],
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0xbb : [ 3, "cjne", "r3,immed,offset" ],
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0xbc : [ 3, "cjne", "r4,immed,offset" ],
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0xbd : [ 3, "cjne", "r5,immed,offset" ],
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0xbe : [ 3, "cjne", "r6,immed,offset" ],
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0xbf : [ 3, "cjne", "r7,immed,offset" ],
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0xc0 : [ 2, "push", "direct" ],
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0xc1 : [ 2, "ajmp", "addr11" ],
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0xc2 : [ 2, "clr", "bit" ],
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0xc3 : [ 1, "clr", "c" ],
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0xc4 : [ 1, "swap", "a" ],
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0xc5 : [ 2, "xch", "a,direct" ],
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0xc6 : [ 1, "xch", "a,@r0" ],
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0xc7 : [ 1, "xch", "a,@r1" ],
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0xc8 : [ 1, "xch", "a,r0" ],
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0xc9 : [ 1, "xch", "a,r1" ],
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0xca : [ 1, "xch", "a,r2" ],
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0xcb : [ 1, "xch", "a,r3" ],
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0xcc : [ 1, "xch", "a,r4" ],
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0xcd : [ 1, "xch", "a,r5" ],
|
|
0xce : [ 1, "xch", "a,r6" ],
|
|
0xcf : [ 1, "xch", "a,r7" ],
|
|
|
|
0xd0 : [ 2, "pop", "direct" ],
|
|
0xd1 : [ 2, "acall", "addr11" ],
|
|
0xd2 : [ 2, "setb", "bit" ],
|
|
0xd3 : [ 1, "setb", "c" ],
|
|
0xd4 : [ 1, "da", "a" ],
|
|
0xd5 : [ 3, "djnz", "direct,offset" ],
|
|
0xd6 : [ 1, "xchd", "a,@r0" ],
|
|
0xd7 : [ 1, "xchd", "a,@r1" ],
|
|
0xd8 : [ 2, "djnz", "r0,offset" ],
|
|
0xd9 : [ 2, "djnz", "r1,offset" ],
|
|
0xda : [ 2, "djnz", "r2,offset" ],
|
|
0xdb : [ 2, "djnz", "r3,offset" ],
|
|
0xdc : [ 2, "djnz", "r4,offset" ],
|
|
0xdd : [ 2, "djnz", "r5,offset" ],
|
|
0xde : [ 2, "djnz", "r6,offset" ],
|
|
0xdf : [ 2, "djnz", "r7,offset" ],
|
|
|
|
0xe0 : [ 1, "movx", "a,@dptr" ],
|
|
0xe1 : [ 2, "ajmp", "addr11" ],
|
|
0xe2 : [ 1, "movx", "a,@r0" ],
|
|
0xe3 : [ 1, "movx", "a,@r1" ],
|
|
0xe4 : [ 1, "clr", "a" ],
|
|
0xe5 : [ 2, "mov", "a,direct" ],
|
|
0xe6 : [ 1, "mov", "a,@r0" ],
|
|
0xe7 : [ 1, "mov", "a,@r1" ],
|
|
0xe8 : [ 1, "mov", "a,r0" ],
|
|
0xe9 : [ 1, "mov", "a,r1" ],
|
|
0xea : [ 1, "mov", "a,r2" ],
|
|
0xeb : [ 1, "mov", "a,r3" ],
|
|
0xec : [ 1, "mov", "a,r4" ],
|
|
0xed : [ 1, "mov", "a,r5" ],
|
|
0xee : [ 1, "mov", "a,r6" ],
|
|
0xef : [ 1, "mov", "a,r7" ],
|
|
|
|
0xf0 : [ 1, "movx", "@dptr,a" ],
|
|
0xf1 : [ 2, "acall", "addr11" ],
|
|
0xf2 : [ 1, "movx", "@r0,a" ],
|
|
0xf3 : [ 1, "movx", "@r1,a" ],
|
|
0xf4 : [ 1, "cpl", "a" ],
|
|
0xf5 : [ 2, "mov", "direct,a" ],
|
|
0xf6 : [ 1, "mov", "@r0,a" ],
|
|
0xf7 : [ 1, "mov", "@r1,a" ],
|
|
0xf8 : [ 1, "mov", "r0,a" ],
|
|
0xf9 : [ 1, "mov", "r1,a" ],
|
|
0xfa : [ 1, "mov", "r2,a" ],
|
|
0xfb : [ 1, "mov", "r3,a" ],
|
|
0xfc : [ 1, "mov", "r4,a" ],
|
|
0xfd : [ 1, "mov", "r5,a" ],
|
|
0xfe : [ 1, "mov", "r6,a" ],
|
|
0xff : [ 1, "mov", "r7,a" ],
|
|
|
|
}
|
|
|
|
# End of processor specific code
|
|
##########################################################################
|