2015-06-18 21:24:59 +00:00
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##########################################################################
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#
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# Processor specific code
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2015-06-19 00:59:24 +00:00
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# CPU = "6811"
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# Description = "FreeScale 68HC11 8-bit microcontroller."
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# DataWidth = 8 # 8-bit data
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# AddressWidth = 16 # 16-bit addresses
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2015-06-18 21:24:59 +00:00
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# Maximum length of an instruction (for formatting purposes)
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maxLength = 5;
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# Leadin bytes for multbyte instructions
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leadInBytes = [0x18, 0x1a, 0xcd]
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# Addressing mode table
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addressModeTable = {
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2015-06-19 00:59:24 +00:00
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"inherent" : "",
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"immediate" : "#${0:02X}",
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"immediatex" : "#${0:02X}{1:02X}",
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"direct" : "${0:02X}",
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"extended" : "${0:02X}{1:02X}",
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"indexedx" : "${0:02X},X",
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"indexedy" : "${0:02X},Y",
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"relative" : "${0:04X}",
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2015-06-18 21:24:59 +00:00
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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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2015-06-19 00:59:24 +00:00
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0x1b : [ 1, "aba", "inherent" ],
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0x3a : [ 1, "abx", "inherent" ],
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0x183a : [ 2, "aby", "inherent" ],
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0x89 : [ 2, "adca", "immediate" ],
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0x99 : [ 2, "adca", "direct" ],
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0xb9 : [ 3, "adca", "extended" ],
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0xa9 : [ 2, "adca", "indexedx" ],
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0x18a9 : [ 3, "adca", "indexedy" ],
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0xc9 : [ 2, "adcb", "immediate" ],
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0xd9 : [ 2, "adcb", "direct" ],
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0xf9 : [ 3, "adcb", "extended" ],
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0xe9 : [ 2, "adcb", "indexedx" ],
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0x18e9 : [ 3, "adcb", "indexedy" ],
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0x8b : [ 2, "adda", "immediate" ],
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0x9b : [ 2, "adda", "direct" ],
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0xbb : [ 3, "adda", "extended" ],
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0xab : [ 2, "adda", "indexedx" ],
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0x18ab : [ 3, "adda", "indexedy" ],
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0xcb : [ 2, "addb", "immediate" ],
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0xdb : [ 2, "addb", "direct" ],
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0xfb : [ 3, "addb", "extended" ],
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0xeb : [ 2, "addb", "indexedx" ],
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0x18eb : [ 3, "addb", "indexedy" ],
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0xc3 : [ 3, "addd", "immediatex" ],
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0xd3 : [ 2, "addd", "direct" ],
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0xf3 : [ 3, "addd", "extended" ],
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0xe3 : [ 2, "addd", "indexedx" ],
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0x18e3 : [ 3, "addd", "indexedy" ],
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0x84 : [ 2, "anda", "immediate" ],
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0x94 : [ 2, "anda", "direct" ],
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0xb4 : [ 3, "anda", "extended" ],
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0xa4 : [ 2, "anda", "indexedx" ],
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0x18a4 : [ 3, "anda", "indexedy" ],
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0xc4 : [ 2, "andb", "immediate" ],
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0xd4 : [ 2, "andb", "direct" ],
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0xf4 : [ 3, "andb", "extended" ],
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0xe4 : [ 2, "andb", "indexedx" ],
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0x18e4 : [ 3, "andb", "indexedy" ],
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0x78 : [ 3, "asl", "extended" ],
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0x68 : [ 2, "asl", "indexedx" ],
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0x1868 : [ 3, "asl", "indexedy" ],
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0x48 : [ 1, "asla", "inherent" ],
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0x58 : [ 1, "aslb", "inherent" ],
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0x05 : [ 1, "asld", "inherent" ],
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0x77 : [ 3, "asr", "extended" ],
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0x67 : [ 2, "asr", "indexedx" ],
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0x1867 : [ 3, "asr", "indexedy" ],
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0x47 : [ 1, "asra", "inherent" ],
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0x57 : [ 1, "asrb", "inherent" ],
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0x24 : [ 2, "bcc", "relative", pcr ],
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2015-06-18 21:24:59 +00:00
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0x00 : [ 1, "test", "inherent" ],
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0x01 : [ 1, "nop", "inherent" ],
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0x02 : [ 2, "ora", "direct" ],
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0x03 : [ 3, "jmp", "extended" ],
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2015-06-19 00:59:24 +00:00
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0x20 : [ 2, "bra", "relative", pcr ],
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0x86 : [ 2, "ldaa", "immediate" ],
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0x8f : [ 1, "xgdx", "inherent" ],
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0x188f : [ 2, "xgdy", "inherent" ],
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2015-06-18 21:24:59 +00:00
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}
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# End of processor specific code
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##########################################################################
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