########################################################################## # # Processor specific code # CPU = "65816" # Description = "Western Design Center 65816 8/16-bit microprocessor." # DataWidth = 8/16 # 8-bit or 16-bit data depending on processor mode # AddressWidth = 16/24 # 16-bit or 24-bit addresses depending on processor mode # Maximum length of an instruction (for formatting purposes) maxLength = 4 # Leadin bytes for multibyte instructions leadInBytes = [] # Addressing mode table # List of addressing modes and corresponding format strings for operands. addressModeTable = { "implicit" : "", "absolute" : "${1:02X}{0:02X}", "absolutex" : "${1:02X}{0:02X},x", "absolutey" : "${1:02X}{0:02X},y", "accumulator" : "a", "immediate" : "#${0:02X}", "indirectx" : "(${0:02X},x)", "indirecty" : "(${0:02X}),y", "indirect" : "(${1:02X}{0:02X})", "relative" : "${0:04X}", "relativelong" : "${0:04X}", "zeropage" : "${0:02X}", "zeropagex" : "${0:02X},x", "zeropagey" : "${0:02X},y", "indirectzeropage" : "(${0:02X})", "absoluteindexedindirect" : "(${1:02X}{0:02X},x)", "stackrelative" : "${0:02X},s", "stackrelativeindirecty" : "(${0:02X},s),y", "absolutelong" : "${2:02X}{1:02X}{0:02X}", "absolutelongx" : "${2:02X}{1:02X}{0:02X},x", "absoluteindirectx" : "(${1:02X}{0:02X},x)", "absoluteindirectlong" : "[${1:02X}{0:02X}]", "directpageindirect" : "(${0:02X})", "directpageindirectlong" : "[${0:02X}]", "directpageindirectlongy" : "[${0:02X}],y", "blockmove" : "${0:02X},${1:02X}", } # Op Code Table # Key is numeric opcode (possibly multiple bytes) # Value is a list: # # bytes # mnemonic # addressing mode # flags (e.g. pcr) # regex conversion from http://www.zophar.net/fileuploads/2/10538ivwiu/65816info.txt # find: ([0-9A-F]+) ([A-Z]+) (.+?)( +)([1-4]) # replace: 0x\1 : [ \5, "\2", "\3"\4], opcodeTable = { 0x00 : [ 1, "brk", "implicit" ], 0x01 : [ 2, "ora", "indirectx" ], 0x02 : [ 2, "cop", "zeropage" ], 0x03 : [ 2, "ora", "stackrelative" ], 0x04 : [ 2, "tsb", "zeropage" ], 0x05 : [ 2, "ora", "zeropage" ], 0x06 : [ 2, "asl", "zeropage" ], 0x07 : [ 2, "ora", "directpageindirectlong" ], 0x08 : [ 1, "php", "implicit" ], 0x09 : [ 2, "ora", "immediate" ], 0x0a : [ 1, "asl", "accumulator" ], 0x0b : [ 1, "phd", "implicit" ], 0x0c : [ 3, "tsb", "absolute" ], 0x0d : [ 3, "ora", "absolute" ], 0x0e : [ 3, "asl", "absolute" ], 0x0f : [ 4, "ora", "absolutelong" ], 0x10 : [ 2, "bpl", "relative", pcr ], 0x11 : [ 2, "ora", "indirecty" ], 0x12 : [ 2, "ora", "indirectzeropage" ], 0x13 : [ 2, "ora", "stackrelativeindirecty" ], 0x14 : [ 2, "trb", "zeropage" ], 0x15 : [ 2, "ora", "zeropagex" ], 0x16 : [ 2, "asl", "zeropagex" ], 0x17 : [ 2, "ora", "directpageindirectlongy" ], 0x18 : [ 1, "clc", "implicit" ], 0x19 : [ 3, "ora", "absolutey" ], 0x1a : [ 1, "inc", "accumulator" ], 0x1b : [ 1, "tcs", "implicit" ], 0x1c : [ 3, "trb", "absolute" ], 0x1d : [ 3, "ora", "absolutex" ], 0x1e : [ 3, "asl", "absolutex" ], 0x1f : [ 4, "ora", "absolutelongx" ], 0x20 : [ 3, "jsr", "absolute" ], 0x21 : [ 2, "and", "indirectx" ], 0x22 : [ 4, "jsr", "absolutelong" ], 0x23 : [ 2, "and", "stackrelative" ], 0x24 : [ 2, "bit", "zeropage" ], 0x25 : [ 2, "and", "zeropage" ], 0x26 : [ 2, "rol", "zeropage" ], 0x27 : [ 2, "and", "directpageindirectlong" ], 0x28 : [ 1, "plp", "implicit" ], 0x29 : [ 2, "and", "immediate" ], 0x2a : [ 1, "rol", "accumulator" ], 0x2b : [ 1, "pld", "implicit" ], 0x2c : [ 3, "bit", "absolute" ], 0x2d : [ 3, "and", "absolute" ], 0x2e : [ 3, "rol", "absolute" ], 0x2f : [ 4, "and", "absolutelong" ], 0x30 : [ 2, "bmi", "relative", pcr ], 0x31 : [ 2, "and", "indirecty" ], 0x32 : [ 2, "and", "indirectzeropage" ], 0x33 : [ 2, "and", "stackrelativeindirecty" ], 0x34 : [ 2, "bit", "zeropagex" ], 0x35 : [ 2, "and", "zeropagex" ], 0x36 : [ 2, "rol", "zeropagex" ], 0x37 : [ 2, "and", "directpageindirectlongy" ], 0x38 : [ 1, "sec", "implicit" ], 0x39 : [ 3, "and", "absolutey" ], 0x3a : [ 1, "dec", "accumulator" ], 0x3b : [ 1, "tsc", "implicit" ], 0x3c : [ 3, "bit", "absolutex" ], 0x3d : [ 3, "and", "absolutex" ], 0x3e : [ 3, "rol", "absolutex" ], 0x3f : [ 4, "and", "absolutelongx" ], 0x40 : [ 1, "rti", "implicit" ], 0x41 : [ 2, "eor", "indirectx" ], 0x42 : [ 2, "wdm", "zeropage" ], 0x43 : [ 2, "eor", "stackrelative" ], 0x44 : [ 3, "mvp", "blockmove" ], 0x45 : [ 2, "eor", "zeropage" ], 0x46 : [ 2, "lsr", "zeropage" ], 0x47 : [ 2, "eor", "directpageindirectlong" ], 0x48 : [ 1, "pha", "implicit" ], 0x49 : [ 2, "eor", "immediate" ], 0x4a : [ 1, "lsr", "accumulator" ], 0x4b : [ 1, "phk", "implicit" ], 0x4c : [ 3, "jmp", "absolute" ], 0x4d : [ 3, "eor", "absolute" ], 0x4e : [ 3, "lsr", "absolute" ], 0x4f : [ 4, "eor", "absolutelong" ], 0x50 : [ 2, "bvc", "relative", pcr ], 0x51 : [ 2, "eor", "indirecty" ], 0x52 : [ 2, "eor", "indirectzeropage" ], 0x53 : [ 2, "eor", "stackrelativeindirecty" ], 0x54 : [ 3, "mvn", "blockmove" ], 0x55 : [ 2, "eor", "zeropagex" ], 0x56 : [ 2, "lsr", "zeropagex" ], 0x57 : [ 2, "eor", "directpageindirectlongy" ], 0x58 : [ 1, "cli", "implicit" ], 0x59 : [ 3, "eor", "absolutey" ], 0x5a : [ 1, "phy", "implicit" ], 0x5b : [ 1, "tcd", "implicit" ], 0x5c : [ 4, "jmp", "absolutelong" ], 0x5d : [ 3, "eor", "absolutex" ], 0x5e : [ 3, "lsr", "absolutex" ], 0x5f : [ 4, "eor", "absolutelongx" ], 0x60 : [ 1, "rts", "implicit" ], 0x61 : [ 2, "adc", "indirectx" ], 0x62 : [ 3, "per", "absolute" ], 0x63 : [ 2, "adc", "stackrelative" ], 0x64 : [ 2, "stz", "zeropage" ], 0x65 : [ 2, "adc", "zeropage" ], 0x66 : [ 2, "ror", "zeropage" ], 0x67 : [ 2, "adc", "directpageindirectlong" ], 0x68 : [ 1, "pla", "implicit" ], 0x69 : [ 2, "adc", "immediate" ], 0x6a : [ 1, "ror", "accumulator" ], 0x6b : [ 1, "rtl", "implicit" ], 0x6c : [ 3, "jmp", "indirect" ], 0x6d : [ 3, "adc", "absolute" ], 0x6e : [ 3, "ror", "absolute" ], 0x6f : [ 4, "adc", "absolutelong" ], 0x70 : [ 2, "bvs", "relative", pcr ], 0x71 : [ 2, "adc", "indirecty" ], 0x72 : [ 2, "adc", "indirectzeropage" ], 0x73 : [ 2, "adc", "stackrelativeindirecty" ], 0x74 : [ 2, "stz", "zeropagex" ], 0x74 : [ 2, "stz", "zeropagex" ], 0x75 : [ 2, "adc", "zeropagex" ], 0x76 : [ 2, "ror", "zeropagex" ], 0x77 : [ 2, "adc", "directpageindirectlongy" ], 0x78 : [ 1, "sei", "implicit" ], 0x79 : [ 3, "adc", "absolutey" ], 0x7a : [ 1, "ply", "implicit" ], 0x7b : [ 1, "tdc", "implicit" ], 0x7c : [ 3, "jmp", "absoluteindexedindirect" ], 0x7d : [ 3, "adc", "absolutex" ], 0x7e : [ 3, "ror", "absolutex" ], 0x7f : [ 4, "adc", "absolutelongx" ], 0x80 : [ 2, "bra", "relative", pcr ], 0x81 : [ 2, "sta", "indirectx" ], 0x82 : [ 3, "brl", "relativelong", pcr ], 0x83 : [ 2, "sta", "stackrelative" ], 0x84 : [ 2, "sty", "zeropage" ], 0x85 : [ 2, "sta", "zeropage" ], 0x86 : [ 2, "stx", "zeropage" ], 0x87 : [ 2, "sta", "directpageindirectlong" ], 0x88 : [ 1, "dey", "implicit" ], 0x89 : [ 2, "bit", "immediate" ], 0x8a : [ 1, "txa", "implicit" ], 0x8b : [ 1, "phb", "implicit" ], 0x8c : [ 3, "sty", "absolute" ], 0x8d : [ 3, "sta", "absolute" ], 0x8e : [ 3, "stx", "absolute" ], 0x8f : [ 4, "sta", "absolutelong" ], 0x90 : [ 2, "bcc", "relative", pcr ], 0x91 : [ 2, "sta", "indirecty" ], 0x92 : [ 2, "sta", "indirectzeropage" ], 0x93 : [ 2, "sta", "stackrelativeindirecty" ], 0x94 : [ 2, "sty", "zeropagex" ], 0x95 : [ 2, "sta", "zeropagex" ], 0x96 : [ 2, "stx", "zeropagey" ], 0x97 : [ 2, "sta", "directpageindirectlongy" ], 0x98 : [ 1, "tya", "implicit" ], 0x99 : [ 3, "sta", "absolutey" ], 0x9a : [ 1, "txs", "implicit" ], 0x9b : [ 1, "txy", "implicit" ], 0x9c : [ 3, "stz", "absolute" ], 0x9d : [ 3, "sta", "absolutex" ], 0x9e : [ 3, "stz", "absolutex" ], 0x9f : [ 4, "sta", "absolutelongx" ], 0xa0 : [ 2, "ldy", "immediate" ], 0xa1 : [ 2, "lda", "indirectx" ], 0xa2 : [ 2, "ldx", "immediate" ], 0xa3 : [ 2, "lda", "stackrelative" ], 0xa4 : [ 2, "ldy", "zeropage" ], 0xa5 : [ 2, "lda", "zeropage" ], 0xa6 : [ 2, "ldx", "zeropage" ], 0xa7 : [ 2, "lda", "directpageindirectlong" ], 0xa8 : [ 1, "tay", "implicit" ], 0xa9 : [ 2, "lda", "immediate" ], 0xaa : [ 1, "tax", "implicit" ], 0xab : [ 1, "plb", "implicit" ], 0xac : [ 3, "ldy", "absolute" ], 0xad : [ 3, "lda", "absolute" ], 0xae : [ 3, "ldx", "absolute" ], 0xaf : [ 4, "lda", "absolutelong" ], 0xb0 : [ 2, "bcs", "relative", pcr ], 0xb1 : [ 2, "lda", "indirecty" ], 0xb2 : [ 2, "lda", "indirectzeropage" ], 0xb3 : [ 2, "lda", "stackrelativeindirecty" ], 0xb4 : [ 2, "ldy", "zeropagex" ], 0xb5 : [ 2, "lda", "zeropagex" ], 0xb6 : [ 2, "ldx", "zeropagey" ], 0xb7 : [ 2, "lda", "directpageindirectlongy" ], 0xb8 : [ 1, "clv", "implicit" ], 0xb9 : [ 3, "lda", "absolutey" ], 0xba : [ 1, "tsx", "implicit" ], 0xbb : [ 1, "tyx", "implicit" ], 0xbc : [ 3, "ldy", "absolutex" ], 0xbd : [ 3, "lda", "absolutex" ], 0xbe : [ 3, "ldx", "absolutey" ], 0xbf : [ 4, "lda", "absolutelongx" ], 0xc0 : [ 2, "cpy", "immediate" ], 0xc1 : [ 2, "cmp", "indirectx" ], 0xc2 : [ 2, "rep", "immediate" ], 0xc3 : [ 2, "cmp", "stackrelative" ], 0xc4 : [ 2, "cpy", "zeropage" ], 0xc5 : [ 2, "cmp", "zeropage" ], 0xc6 : [ 2, "dec", "zeropage" ], 0xc7 : [ 2, "cmp", "directpageindirectlong" ], 0xc8 : [ 1, "iny", "implicit" ], 0xc9 : [ 2, "cmp", "immediate" ], 0xca : [ 1, "dex", "implicit" ], 0xcb : [ 1, "wai", "implicit" ], 0xcc : [ 3, "cpy", "absolute" ], 0xcd : [ 3, "cmp", "absolute" ], 0xce : [ 3, "dec", "absolute" ], 0xcf : [ 4, "cmp", "absolutelong" ], 0xd0 : [ 2, "bne", "relative", pcr ], 0xd1 : [ 2, "cmp", "indirecty" ], 0xd2 : [ 2, "cmp", "indirectzeropage" ], 0xd3 : [ 2, "cmp", "stackrelativeindirecty" ], 0xd4 : [ 2, "pei", "directpageindirect" ], 0xd5 : [ 2, "cmp", "zeropagex" ], 0xd6 : [ 2, "dec", "zeropagex" ], 0xd7 : [ 2, "cmp", "directpageindirectlongy" ], 0xd8 : [ 1, "cld", "implicit" ], 0xd9 : [ 3, "cmp", "absolutey" ], 0xda : [ 1, "phx", "implicit" ], 0xdb : [ 1, "stp", "implicit" ], 0xdc : [ 3, "jmp", "absoluteindirectlong" ], 0xdd : [ 3, "cmp", "absolutex" ], 0xde : [ 3, "dec", "absolutex" ], 0xdf : [ 4, "cmp", "absolutelongx" ], 0xe0 : [ 2, "cpx", "immediate" ], 0xe1 : [ 2, "sbc", "indirectx" ], 0xe2 : [ 2, "sep", "immediate" ], 0xe3 : [ 2, "sbc", "stackrelative" ], 0xe4 : [ 2, "cpx", "zeropage" ], 0xe5 : [ 2, "sbc", "zeropage" ], 0xe6 : [ 2, "inc", "zeropage" ], 0xe7 : [ 2, "sbc", "directpageindirectlong" ], 0xe8 : [ 1, "inx", "implicit" ], 0xe9 : [ 2, "sbc", "immediate" ], 0xea : [ 1, "nop", "implicit" ], 0xeb : [ 1, "xba", "implicit" ], 0xec : [ 3, "cpx", "absolute" ], 0xed : [ 3, "sbc", "absolute" ], 0xee : [ 3, "inc", "absolute" ], 0xef : [ 4, "sbc", "absolutelong" ], 0xf0 : [ 2, "beq", "relative", pcr ], 0xf1 : [ 2, "sbc", "indirecty" ], 0xf2 : [ 2, "sbc", "indirectzeropage" ], 0xf3 : [ 2, "sbc", "stackrelativeindirecty" ], 0xf4 : [ 3, "pea", "absolute" ], 0xf5 : [ 2, "sbc", "zeropagex" ], 0xf6 : [ 2, "inc", "zeropagex" ], 0xf7 : [ 2, "sbc", "directpageindirectlongy" ], 0xf8 : [ 1, "sed", "implicit" ], 0xf9 : [ 3, "sbc", "absolutey" ], 0xfa : [ 1, "plx", "implicit" ], 0xfb : [ 1, "xce", "implicit" ], 0xfd : [ 3, "sbc", "absolutex" ], 0xfe : [ 3, "inc", "absolutex" ], 0xff : [ 4, "sbc", "absolutelongx" ], } # End of processor specific code ##########################################################################