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45 lines
1.1 KiB
Python
45 lines
1.1 KiB
Python
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##########################################################################
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#
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# Processor specific code
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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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# 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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"inherent" : "",
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"immediate" : "#${0:02X}",
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"direct" : "${0:02X}",
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"extended" : "${0:02X}{1:02X}",
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"indirectx" : "($:0:02X)),X",
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"indirecty" : "(${0:02X}),Y",
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"relative" : "${0:04X}",
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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, "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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0x183a : [ 2, "aby", "inherent" ],
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0x18a9 : [ 5, "adca", "indirecty" ],
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}
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# End of processor specific code
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##########################################################################
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