diff options
Diffstat (limited to 'src/devices/cpu/arcompact/arcompactdasm.cpp')
-rw-r--r-- | src/devices/cpu/arcompact/arcompactdasm.cpp | 599 |
1 files changed, 556 insertions, 43 deletions
diff --git a/src/devices/cpu/arcompact/arcompactdasm.cpp b/src/devices/cpu/arcompact/arcompactdasm.cpp index cd557017332..7283cfd06b6 100644 --- a/src/devices/cpu/arcompact/arcompactdasm.cpp +++ b/src/devices/cpu/arcompact/arcompactdasm.cpp @@ -7,51 +7,564 @@ \*********************************/ #include "emu.h" -#include <stdarg.h> +#include "arcompactdasm.h" -#include "arcompactdasm_dispatch.h" -#include "arcompactdasm_ops.h" +u32 arcompact_disassembler::opcode_alignment() const +{ + return 2; +} + + +// condition codes (basic ones are the same as arc +const char *const arcompact_disassembler::conditions[0x20] = +{ + /* 00 */ "AL", // (aka RA - Always) + /* 01 */ "EQ", // (aka Z - Zero + /* 02 */ "NE", // (aka NZ - Non-Zero) + /* 03 */ "PL", // (aka P - Positive) + /* 04 */ "MI", // (aka N - Negative) + /* 05 */ "CS", // (aka C, LO - Carry set / Lower than) (unsigned) + /* 06 */ "CC", // (aka CC, NC, HS - Carry Clear / Higher or Same) (unsigned) + /* 07 */ "VS", // (aka V - Overflow set) + /* 08 */ "VC", // (aka NV - Overflow clear) + /* 09 */ "GT", // ( - Greater than) (signed) + /* 0a */ "GE", // ( - Greater than or Equal) (signed) + /* 0b */ "LT", // ( - Less than) (signed) + /* 0c */ "LE", // ( - Less than or Equal) (signed) + /* 0d */ "HI", // ( - Higher than) (unsigned) + /* 0e */ "LS", // ( - Lower or Same) (unsigned) + /* 0f */ "PNZ",// ( - Positive non-0 value) + /* 10 */ "0x10 Reserved", // possible CPU implementation specifics + /* 11 */ "0x11 Reserved", + /* 12 */ "0x12 Reserved", + /* 13 */ "0x13 Reserved", + /* 14 */ "0x14 Reserved", + /* 15 */ "0x15 Reserved", + /* 16 */ "0x16 Reserved", + /* 17 */ "0x17 Reserved", + /* 18 */ "0x18 Reserved", + /* 19 */ "0x19 Reserved", + /* 1a */ "0x1a Reserved", + /* 1b */ "0x1b Reserved", + /* 1c */ "0x1c Reserved", + /* 1d */ "0x1d Reserved", + /* 1e */ "0x1e Reserved", + /* 1f */ "0x1f Reserved" +}; + +#define UNUSED_REG "unusedreg" + +#define AUX_UNUSED_16 \ + /* 0xxx0 */ UNUSED_REG, /* 0xxx1 */ UNUSED_REG, /* 0xxx2 */ UNUSED_REG, /* 0xxx3 */ UNUSED_REG, /* 0xxx4 */ UNUSED_REG, /* 0xxx5 */ UNUSED_REG, /* 0xxx6 */ UNUSED_REG, /* 0xxx7 */ UNUSED_REG, /* 0xxx8 */ UNUSED_REG, /* 0xxx9 */ UNUSED_REG, /* 0xxxa */ UNUSED_REG, /* 0xxxb */ UNUSED_REG, /* 0xxxc */ UNUSED_REG, /* 0xxxd */ UNUSED_REG, /* 0xxxe */ UNUSED_REG, /* 0xxxf */ UNUSED_REG, + +// the Auxiliary Register set is actually a 2^32 dword address space (so 16 GB / 34-bit) +// this table just allows us to improve the debugger display for some of the common core / internal ones +const char *const arcompact_disassembler::auxregnames[0x420] = +{ + /* 0x000 */ "STATUS", + /* 0x001 */ "SEMAPHOR", + /* 0x002 */ "LP_START", + /* 0x003 */ "LP_END", + /* 0x004 */ "IDENTITY", + /* 0x005 */ "DEBUG", + /* 0x006 */ "PC", + /* 0x007 */ UNUSED_REG, + /* 0x008 */ UNUSED_REG, + /* 0x009 */ UNUSED_REG, + /* 0x00a */ "STATUS32", + /* 0x00b */ "STATUS32_L1", + /* 0x00c */ "STATUS32_L2", + /* 0x00d */ UNUSED_REG, + /* 0x00e */ UNUSED_REG, + /* 0x00f */ UNUSED_REG, + + /* 0x010 */ UNUSED_REG, + /* 0x011 */ UNUSED_REG, + /* 0x012 */ "MULHI", // extension register + /* 0x013 */ UNUSED_REG, + /* 0x014 */ UNUSED_REG, + /* 0x015 */ UNUSED_REG, + /* 0x016 */ UNUSED_REG, + /* 0x017 */ UNUSED_REG, + /* 0x018 */ UNUSED_REG, + /* 0x019 */ UNUSED_REG, + /* 0x01a */ UNUSED_REG, + /* 0x01b */ UNUSED_REG, + /* 0x01c */ UNUSED_REG, + /* 0x01d */ UNUSED_REG, + /* 0x01e */ UNUSED_REG, + /* 0x01f */ UNUSED_REG, + /* 0x020 */ UNUSED_REG, + /* 0x021 */ "COUNT0", + /* 0x022 */ "CONTROL0", + /* 0x023 */ "LIMIT0", + /* 0x024 */ UNUSED_REG, + /* 0x025 */ "INT_VECTOR_BASE", + /* 0x026 */ UNUSED_REG, + /* 0x027 */ UNUSED_REG, + /* 0x028 */ UNUSED_REG, + /* 0x029 */ UNUSED_REG, + /* 0x02a */ UNUSED_REG, + /* 0x02b */ UNUSED_REG, + /* 0x02c */ UNUSED_REG, + /* 0x02d */ UNUSED_REG, + /* 0x02e */ UNUSED_REG, + /* 0x02f */ UNUSED_REG, + AUX_UNUSED_16 /* 0x030 - 0x03f */ + /* 0x040 */ UNUSED_REG, + /* 0x041 */ "AUX_MACMODE", + /* 0x042 */ UNUSED_REG, + /* 0x043 */ "AUX_IRQLV12", + /* 0x044 */ UNUSED_REG, + /* 0x045 */ UNUSED_REG, + /* 0x046 */ UNUSED_REG, + /* 0x047 */ UNUSED_REG, + /* 0x048 */ UNUSED_REG, + /* 0x049 */ UNUSED_REG, + /* 0x04a */ UNUSED_REG, + /* 0x04b */ UNUSED_REG, + /* 0x04c */ UNUSED_REG, + /* 0x04d */ UNUSED_REG, + /* 0x04e */ UNUSED_REG, + /* 0x04f */ UNUSED_REG, + AUX_UNUSED_16 /* 0x050 - 0x05f */ + // build configuration registers 0x060 - 0x07f + /* 0x060 */ "RESERVED AUX 0x60",/* 0x061 */ "RESERVED AUX 0x61",/* 0x062 */ "RESERVED AUX 0x62",/* 0x063 */ "RESERVED AUX 0x63",/* 0x064 */ "RESERVED AUX 0x64",/* 0x065 */ "RESERVED AUX 0x65",/* 0x066 */ "RESERVED AUX 0x66",/* 0x067 */ "RESERVED AUX 0x67",/* 0x068 */ "RESERVED AUX 0x68",/* 0x069 */ "RESERVED AUX 0x69",/* 0x06a */ "RESERVED AUX 0x6a",/* 0x06b */ "RESERVED AUX 0x6b",/* 0x06c */ "RESERVED AUX 0x6c",/* 0x06d */ "RESERVED AUX 0x6d",/* 0x06e */ "RESERVED AUX 0x6e",/* 0x06f */ "RESERVED AUX 0x6f", + /* 0x070 */ "RESERVED AUX 0x70",/* 0x071 */ "RESERVED AUX 0x71",/* 0x072 */ "RESERVED AUX 0x72",/* 0x073 */ "RESERVED AUX 0x73",/* 0x074 */ "RESERVED AUX 0x74",/* 0x075 */ "RESERVED AUX 0x75",/* 0x076 */ "RESERVED AUX 0x76",/* 0x077 */ "RESERVED AUX 0x77",/* 0x078 */ "RESERVED AUX 0x78",/* 0x079 */ "RESERVED AUX 0x79",/* 0x07a */ "RESERVED AUX 0x7a",/* 0x07b */ "RESERVED AUX 0x7b",/* 0x07c */ "RESERVED AUX 0x7c",/* 0x07d */ "RESERVED AUX 0x7d",/* 0x07e */ "RESERVED AUX 0x7e",/* 0x07f */ "RESERVED AUX 0x7f", + AUX_UNUSED_16 /* 0x080 - 0x08f */ + AUX_UNUSED_16 /* 0x090 - 0x09f */ + AUX_UNUSED_16 /* 0x0a0 - 0x0af */ + AUX_UNUSED_16 /* 0x0b0 - 0x0bf */ + // build configuration registers 0x0c0 - 0x0ff + /* 0x0c0 */ "RESERVED AUX 0xc0",/* 0x0c1 */ "RESERVED AUX 0xc1",/* 0x0c2 */ "RESERVED AUX 0xc2",/* 0x0c3 */ "RESERVED AUX 0xc3",/* 0x0c4 */ "RESERVED AUX 0xc4",/* 0x0c5 */ "RESERVED AUX 0xc5",/* 0x0c6 */ "RESERVED AUX 0xc6",/* 0x0c7 */ "RESERVED AUX 0xc7",/* 0x0c8 */ "RESERVED AUX 0xc8",/* 0x0c9 */ "RESERVED AUX 0xc9",/* 0x0ca */ "RESERVED AUX 0xca",/* 0x0cb */ "RESERVED AUX 0xcb",/* 0x0cc */ "RESERVED AUX 0xcc",/* 0x0cd */ "RESERVED AUX 0xcd",/* 0x0ce */ "RESERVED AUX 0xce",/* 0x0cf */ "RESERVED AUX 0xcf", + /* 0x0d0 */ "RESERVED AUX 0xd0",/* 0x0d1 */ "RESERVED AUX 0xd1",/* 0x0d2 */ "RESERVED AUX 0xd2",/* 0x0d3 */ "RESERVED AUX 0xd3",/* 0x0d4 */ "RESERVED AUX 0xd4",/* 0x0d5 */ "RESERVED AUX 0xd5",/* 0x0d6 */ "RESERVED AUX 0xd6",/* 0x0d7 */ "RESERVED AUX 0xd7",/* 0x0d8 */ "RESERVED AUX 0xd8",/* 0x0d9 */ "RESERVED AUX 0xd9",/* 0x0da */ "RESERVED AUX 0xda",/* 0x0db */ "RESERVED AUX 0xdb",/* 0x0dc */ "RESERVED AUX 0xdc",/* 0x0dd */ "RESERVED AUX 0xdd",/* 0x0de */ "RESERVED AUX 0xde",/* 0x0df */ "RESERVED AUX 0xdf", + /* 0x0e0 */ "RESERVED AUX 0xe0",/* 0x0e1 */ "RESERVED AUX 0xe1",/* 0x0e2 */ "RESERVED AUX 0xe2",/* 0x0e3 */ "RESERVED AUX 0xe3",/* 0x0e4 */ "RESERVED AUX 0xe4",/* 0x0e5 */ "RESERVED AUX 0xe5",/* 0x0e6 */ "RESERVED AUX 0xe6",/* 0x0e7 */ "RESERVED AUX 0xe7",/* 0x0e8 */ "RESERVED AUX 0xe8",/* 0x0e9 */ "RESERVED AUX 0xe9",/* 0x0ea */ "RESERVED AUX 0xea",/* 0x0eb */ "RESERVED AUX 0xeb",/* 0x0ec */ "RESERVED AUX 0xec",/* 0x0ed */ "RESERVED AUX 0xed",/* 0x0ee */ "RESERVED AUX 0xee",/* 0x0ef */ "RESERVED AUX 0xef", + /* 0x0f0 */ "RESERVED AUX 0xf0",/* 0x0f1 */ "RESERVED AUX 0xf1",/* 0x0f2 */ "RESERVED AUX 0xf2",/* 0x0f3 */ "RESERVED AUX 0xf3",/* 0x0f4 */ "RESERVED AUX 0xf4",/* 0x0f5 */ "RESERVED AUX 0xf5",/* 0x0f6 */ "RESERVED AUX 0xf6",/* 0x0f7 */ "RESERVED AUX 0xf7",/* 0x0f8 */ "RESERVED AUX 0xf8",/* 0x0f9 */ "RESERVED AUX 0xf9",/* 0x0fa */ "RESERVED AUX 0xfa",/* 0x0fb */ "RESERVED AUX 0xfb",/* 0x0fc */ "RESERVED AUX 0xfc",/* 0x0fd */ "RESERVED AUX 0xfd",/* 0x0fe */ "RESERVED AUX 0xfe",/* 0x0ff */ "RESERVED AUX 0xff", + /* 0x100 */ "COUNT1", + /* 0x101 */ "CONTROL1", + /* 0x102 */ "LIMIT1", + /* 0x103 */ UNUSED_REG, + /* 0x104 */ UNUSED_REG, + /* 0x105 */ UNUSED_REG, + /* 0x106 */ UNUSED_REG, + /* 0x107 */ UNUSED_REG, + /* 0x108 */ UNUSED_REG, + /* 0x109 */ UNUSED_REG, + /* 0x10a */ UNUSED_REG, + /* 0x10b */ UNUSED_REG, + /* 0x10c */ UNUSED_REG, + /* 0x10d */ UNUSED_REG, + /* 0x10e */ UNUSED_REG, + /* 0x10f */ UNUSED_REG, + AUX_UNUSED_16 /* 0x110 - 0x11f */ + AUX_UNUSED_16 /* 0x120 - 0x12f */ + AUX_UNUSED_16 /* 0x130 - 0x13f */ + AUX_UNUSED_16 /* 0x140 - 0x14f */ + AUX_UNUSED_16 /* 0x150 - 0x15f */ + AUX_UNUSED_16 /* 0x160 - 0x16f */ + AUX_UNUSED_16 /* 0x170 - 0x17f */ + AUX_UNUSED_16 /* 0x180 - 0x18f */ + AUX_UNUSED_16 /* 0x190 - 0x19f */ + AUX_UNUSED_16 /* 0x1a0 - 0x1af */ + AUX_UNUSED_16 /* 0x1b0 - 0x1bf */ + AUX_UNUSED_16 /* 0x1c0 - 0x1cf */ + AUX_UNUSED_16 /* 0x1d0 - 0x1df */ + AUX_UNUSED_16 /* 0x1e0 - 0x1ef */ + AUX_UNUSED_16 /* 0x1f0 - 0x1ff */ + /* 0x200 */ "AUX_IRQ_LEV", + /* 0x201 */ "AUX_IRQ_HINT", + /* 0x203 */ UNUSED_REG, + /* 0x203 */ UNUSED_REG, + /* 0x204 */ UNUSED_REG, + /* 0x205 */ UNUSED_REG, + /* 0x206 */ UNUSED_REG, + /* 0x207 */ UNUSED_REG, + /* 0x208 */ UNUSED_REG, + /* 0x209 */ UNUSED_REG, + /* 0x20a */ UNUSED_REG, + /* 0x20b */ UNUSED_REG, + /* 0x20c */ UNUSED_REG, + /* 0x20d */ UNUSED_REG, + /* 0x20e */ UNUSED_REG, + /* 0x20f */ UNUSED_REG, + AUX_UNUSED_16 /* 0x210 - 0x21f */ + AUX_UNUSED_16 /* 0x220 - 0x22f */ + AUX_UNUSED_16 /* 0x230 - 0x23f */ + AUX_UNUSED_16 /* 0x240 - 0x24f */ + AUX_UNUSED_16 /* 0x250 - 0x25f */ + AUX_UNUSED_16 /* 0x260 - 0x26f */ + AUX_UNUSED_16 /* 0x270 - 0x27f */ + AUX_UNUSED_16 /* 0x280 - 0x28f */ + AUX_UNUSED_16 /* 0x290 - 0x29f */ + AUX_UNUSED_16 /* 0x2a0 - 0x2af */ + AUX_UNUSED_16 /* 0x2b0 - 0x2bf */ + AUX_UNUSED_16 /* 0x2c0 - 0x2cf */ + AUX_UNUSED_16 /* 0x2d0 - 0x2df */ + AUX_UNUSED_16 /* 0x2e0 - 0x2ef */ + AUX_UNUSED_16 /* 0x2f0 - 0x2ff */ -/*****************************************************************************/ + AUX_UNUSED_16 /* 0x300 - 0x30f */ + AUX_UNUSED_16 /* 0x310 - 0x31f */ + AUX_UNUSED_16 /* 0x320 - 0x32f */ + AUX_UNUSED_16 /* 0x330 - 0x33f */ + AUX_UNUSED_16 /* 0x340 - 0x34f */ + AUX_UNUSED_16 /* 0x350 - 0x35f */ + AUX_UNUSED_16 /* 0x360 - 0x36f */ + AUX_UNUSED_16 /* 0x370 - 0x37f */ + AUX_UNUSED_16 /* 0x380 - 0x38f */ + AUX_UNUSED_16 /* 0x390 - 0x39f */ + AUX_UNUSED_16 /* 0x3a0 - 0x3af */ + AUX_UNUSED_16 /* 0x3b0 - 0x3bf */ + AUX_UNUSED_16 /* 0x3c0 - 0x3cf */ + AUX_UNUSED_16 /* 0x3d0 - 0x3df */ + AUX_UNUSED_16 /* 0x3e0 - 0x3ef */ + AUX_UNUSED_16 /* 0x3f0 - 0x3ff */ + /* 0x400 */ "ERET", + /* 0x401 */ "ERBTA", + /* 0x403 */ "ERSTATUS", + /* 0x403 */ "ECR", + /* 0x404 */ "EFA", + /* 0x405 */ UNUSED_REG, + /* 0x406 */ UNUSED_REG, + /* 0x407 */ UNUSED_REG, + /* 0x408 */ UNUSED_REG, + /* 0x409 */ UNUSED_REG, + /* 0x40a */ "ICAUSE1", + /* 0x40b */ "ICAUSE2", + /* 0x40c */ "AUX_IENABLE", + /* 0x40d */ "AUX_ITRIGGER", + /* 0x40e */ UNUSED_REG, + /* 0x40f */ UNUSED_REG, + /* 0x410 */ "XPU", + /* 0x411 */ UNUSED_REG, + /* 0x412 */ "BTA", + /* 0x413 */ "BTA_L1", + /* 0x414 */ "BTA_L2", + /* 0x415 */ "AUX_IRQ_PULSE_CANCEL", + /* 0x416 */ "AUX_IRQ_PENDING", + /* 0x417 */ UNUSED_REG, + /* 0x418 */ UNUSED_REG, + /* 0x419 */ UNUSED_REG, + /* 0x41a */ UNUSED_REG, + /* 0x41b */ UNUSED_REG, + /* 0x41c */ UNUSED_REG, + /* 0x41d */ UNUSED_REG, + /* 0x41e */ UNUSED_REG, + /* 0x41f */ UNUSED_REG +}; + +//#define EXPLICIT_EXTENSIONS + +const char *const arcompact_disassembler::datasize[0x4] = +{ +#ifdef EXPLICIT_EXTENSIONS + /* 00 */ ".L", // Dword (default) (can use no extension, using .L to be explicit) +#else + /* 00 */ "",// Dword (default) +#endif + /* 01 */ ".B", // Byte + /* 02 */ ".W", // Word + /* 03 */ ".<illegal data size>" +}; + +const char *const arcompact_disassembler::dataextend[0x2] = +{ +#ifdef EXPLICIT_EXTENSIONS + /* 00 */ ".ZX", // Zero Extend (can use no extension, using .ZX to be explicit) +#else + /* 00 */ "", // Zero Extend +#endif + /* 01 */ ".X" // Sign Extend +}; + +const char *const arcompact_disassembler::addressmode[0x4] = +{ +#ifdef EXPLICIT_EXTENSIONS + /* 00 */ ".AN", // No Writeback (can use no extension, using .AN to be explicit) +#else + /* 00 */ "", // No Writeback +#endif + /* 01 */ ".AW", // Writeback pre memory access + /* 02 */ ".AB", // Writeback post memory access + /* 03 */ ".AS" // scaled +}; + +const char *const arcompact_disassembler::cachebit[0x2] = +{ +#ifdef EXPLICIT_EXTENSIONS + /* 00 */ ".EN", // Data Cache Enabled (can use no extension, using .EN to be explicit) +#else + /* 00 */ "", // Data Cache Enabled +#endif + /* 01 */ ".DI" // Direct to Memory (Cache Bypass) +}; + +const char *const arcompact_disassembler::flagbit[0x2] = +{ +#ifdef EXPLICIT_EXTENSIONS + /* 00 */ ".NF", // Don't Set Flags (can use no extension, using .NF to be explicit) +#else + /* 00 */ "", // Don't Set Flags +#endif + /* 01 */ ".F" // Set Flags +}; + +const char *const arcompact_disassembler::delaybit[0x2] = +{ + /* 00 */ ".ND", // Don't execute opcode in delay slot + /* 01 */ ".D" // Execute Opcode in delay slot +}; + + +const char *const arcompact_disassembler::regnames[0x40] = +{ + /* 00 */ "r0", + /* 01 */ "r1", + /* 02 */ "r2", + /* 03 */ "r3", + /* 04 */ "r4", + /* 05 */ "r5", + /* 06 */ "r6", + /* 07 */ "r7", + /* 08 */ "r8", + /* 09 */ "r9", + /* 0a */ "r10", + /* 0b */ "r11", + /* 0c */ "r12", + /* 0d */ "r13", + /* 0e */ "r14", + /* 0f */ "r15", + + /* 10 */ "r16", + /* 11 */ "r17", + /* 12 */ "r18", + /* 13 */ "r19", + /* 14 */ "r20", + /* 15 */ "r21", + /* 16 */ "r22", + /* 17 */ "r23", + /* 18 */ "r24", + /* 19 */ "r25", + /* 1a */ "r26_GP", + /* 1b */ "r27_FP", + /* 1c */ "r28_SP", + /* 1d */ "r29_ILINK1", + /* 1e */ "r30_ILINK2", + /* 1f */ "r31_BLINK", + + /* 20 */ "r32(ext)", + /* 21 */ "r33(ext)", + /* 22 */ "r34(ext)", + /* 23 */ "r35(ext)", + /* 24 */ "r36(ext)", + /* 25 */ "r37(ext)", + /* 26 */ "r38(ext)", + /* 27 */ "r39(ext)", + /* 28 */ "r40(ext)", + /* 29 */ "r41(ext)", + /* 2a */ "r42(ext)", + /* 2b */ "r43(ext)", + /* 2c */ "r44(ext)", + /* 2d */ "r45(ext)", + /* 2e */ "r46(ext)", + /* 2f */ "r47(ext)", + + /* 30 */ "r48(ext)", + /* 31 */ "r49(ext)", + /* 32 */ "r50(ext)", + /* 33 */ "r51(ext)", + /* 34 */ "r52(ext)", + /* 35 */ "r53(ext)", + /* 36 */ "r54(ext)", + /* 37 */ "r55(ext)", + /* 38 */ "r56(ext)", + /* 39 */ "r57(M-LO)", // MLO (result registers for optional multply functions) + /* 3a */ "r58(M-MID)", // MMID + /* 3b */ "r59(M-HI)", // MHI + /* 3c */ "r60(LP_COUNT)", + /* 3d */ "r61(reserved)", + /* 3e */ "r62(LIMM)", // use Long Immediate Data instead of register + /* 3f */ "r63(PCL)" +}; + +#if 0 +const char *const arcompact_disassembler::opcodes_temp[0x40] = +{ + /* 00 */ "0x00", + /* 01 */ "0x01", + /* 02 */ "0x02", + /* 03 */ "0x03", + /* 04 */ "0x04", + /* 05 */ "0x05", + /* 06 */ "0x06", + /* 07 */ "0x07", + /* 08 */ "0x08", + /* 09 */ "0x09", + /* 0a */ "0x0a", + /* 0b */ "0x0b", + /* 0c */ "0x0c", + /* 0d */ "0x0d", + /* 0e */ "0x0e", + /* 0f */ "0x0f", + + /* 10 */ "0x10", + /* 11 */ "0x11", + /* 12 */ "0x12", + /* 13 */ "0x13", + /* 14 */ "0x14", + /* 15 */ "0x15", + /* 16 */ "0x16", + /* 17 */ "0x17", + /* 18 */ "0x18", + /* 19 */ "0x19", + /* 1a */ "0x1a", + /* 1b */ "0x1b", + /* 1c */ "0x1c", + /* 1d */ "0x1d", + /* 1e */ "0x1e", + /* 1f */ "0x1f", + + /* 20 */ "0x20", + /* 21 */ "0x21", + /* 22 */ "0x22", + /* 23 */ "0x23", + /* 24 */ "0x24", + /* 25 */ "0x25", + /* 26 */ "0x26", + /* 27 */ "0x27", + /* 28 */ "0x28", + /* 29 */ "0x29", + /* 2a */ "0x2a", + /* 2b */ "0x2b", + /* 2c */ "0x2c", + /* 2d */ "0x2d", + /* 2e */ "0x2e", + /* 2f */ "0x2f", + + /* 30 */ "0x30", + /* 31 */ "0x31", + /* 32 */ "0x32", + /* 33 */ "0x33", + /* 34 */ "0x34", + /* 35 */ "0x35", + /* 36 */ "0x36", + /* 37 */ "0x37", + /* 38 */ "0x38", + /* 39 */ "0x39", + /* 3a */ "0x3a", + /* 3b */ "0x3b", + /* 3c */ "0x3c", + /* 3d */ "0x3d", + /* 3e */ "0x3e", + /* 3f */ "0x3f", +}; +#endif + + +const char *const arcompact_disassembler::opcodes_04[0x40] = +{ + /* 00 */ "ADD", + /* 01 */ "ADC", + /* 02 */ "SUB", + /* 03 */ "SBC", + /* 04 */ "AND", + /* 05 */ "OR", + /* 06 */ "BIC", + /* 07 */ "XOR", + /* 08 */ "MAX", + /* 09 */ "MIN", + /* 0a */ "MOV", + /* 0b */ "TST", + /* 0c */ "CMP", + /* 0d */ "RCMP", + /* 0e */ "RSUB", + /* 0f */ "BSET", -/*****************************************************************************/ + /* 10 */ "BCLR", + /* 11 */ "BTST", + /* 12 */ "BXOR", + /* 13 */ "BSMK", + /* 14 */ "ADD1", + /* 15 */ "ADD2", + /* 16 */ "ADD3", + /* 17 */ "SUB1", + /* 18 */ "SUB2", + /* 19 */ "SUB3", + /* 1a */ "MPY", + /* 1b */ "MPYH", + /* 1c */ "MPYHU", + /* 1d */ "MPYU", + /* 1e */ "0x1e", + /* 1f */ "0x1f", + /* 20 */ "Jcc", + /* 21 */ "Jcc.D", + /* 22 */ "JLcc", + /* 23 */ "JLcc.D", + /* 24 */ "0x24", + /* 25 */ "0x25", + /* 26 */ "0x26", + /* 27 */ "0x27", + /* 28 */ "LPcc", + /* 29 */ "FLAG", + /* 2a */ "LR", + /* 2b */ "SR", + /* 2c */ "0x2c", + /* 2d */ "0x2d", + /* 2e */ "0x2e", + /* 2f */ "SOP table", -#define ARCOMPACT_OPERATION ((op & 0xf800) >> 11) + /* 30 */ "LD", + /* 31 */ "LD", + /* 32 */ "LD", + /* 33 */ "LD", + /* 34 */ "LD", + /* 35 */ "LD", + /* 36 */ "LD", + /* 37 */ "LD", + /* 38 */ "0x38", + /* 39 */ "0x39", + /* 3a */ "0x3a", + /* 3b */ "0x3b", + /* 3c */ "0x3c", + /* 3d */ "0x3d", + /* 3e */ "0x3e", + /* 3f */ "0x3f", +}; -CPU_DISASSEMBLE(arcompact) +offs_t arcompact_disassembler::disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) { int size; - uint32_t op = oprom[0] | (oprom[1] << 8); + uint32_t op = opcodes.r16(pc); - uint8_t instruction = ARCOMPACT_OPERATION; + uint8_t instruction = ((op & 0xf800) >> 11); if (instruction < 0x0c) { size = 4; op <<= 16; - op |= oprom[2] | (oprom[3] << 8); + op |= opcodes.r16(pc+2); op &= ~0xf8000000; switch (instruction) // 32-bit instructions (with optional extra dword for immediate data) { - case 0x00: size = arcompact_handle00_dasm(DASM_PARAMS); break; // Bcc - case 0x01: size = arcompact_handle01_dasm(DASM_PARAMS); break; // BLcc/BRcc - case 0x02: size = arcompact_handle02_dasm(DASM_PARAMS); break; // LD r+o - case 0x03: size = arcompact_handle03_dasm(DASM_PARAMS); break; // ST r+o - case 0x04: size = arcompact_handle04_dasm(DASM_PARAMS); break; // op a,b,c (basecase) - case 0x05: size = arcompact_handle05_dasm(DASM_PARAMS); break; // op a,b,c (05 ARC ext) - case 0x06: size = arcompact_handle06_dasm(DASM_PARAMS); break; // op a,b,c (06 ARC ext) - case 0x07: size = arcompact_handle07_dasm(DASM_PARAMS); break; // op a,b,c (07 User ext) - case 0x08: size = arcompact_handle08_dasm(DASM_PARAMS); break; // op a,b,c (08 User ext) - case 0x09: size = arcompact_handle09_dasm(DASM_PARAMS); break; // op a,b,c (09 Market ext) - case 0x0a: size = arcompact_handle0a_dasm(DASM_PARAMS); break; // op a,b,c (0a Market ext) - case 0x0b: size = arcompact_handle0b_dasm(DASM_PARAMS); break; // op a,b,c (0b Market ext) + case 0x00: size = handle00_dasm(stream, pc, op, opcodes); break; // Bcc + case 0x01: size = handle01_dasm(stream, pc, op, opcodes); break; // BLcc/BRcc + case 0x02: size = handle02_dasm(stream, pc, op, opcodes); break; // LD r+o + case 0x03: size = handle03_dasm(stream, pc, op, opcodes); break; // ST r+o + case 0x04: size = handle04_dasm(stream, pc, op, opcodes); break; // op a,b,c (basecase) + case 0x05: size = handle05_dasm(stream, pc, op, opcodes); break; // op a,b,c (05 ARC ext) + case 0x06: size = handle06_dasm(stream, pc, op, opcodes); break; // op a,b,c (06 ARC ext) + case 0x07: size = handle07_dasm(stream, pc, op, opcodes); break; // op a,b,c (07 User ext) + case 0x08: size = handle08_dasm(stream, pc, op, opcodes); break; // op a,b,c (08 User ext) + case 0x09: size = handle09_dasm(stream, pc, op, opcodes); break; // op a,b,c (09 Market ext) + case 0x0a: size = handle0a_dasm(stream, pc, op, opcodes); break; // op a,b,c (0a Market ext) + case 0x0b: size = handle0b_dasm(stream, pc, op, opcodes); break; // op a,b,c (0b Market ext) } } else @@ -62,28 +575,28 @@ CPU_DISASSEMBLE(arcompact) switch (instruction) // 16-bit instructions { - case 0x0c: size = arcompact_handle0c_dasm(DASM_PARAMS); break; // Load/Add reg-reg - case 0x0d: size = arcompact_handle0d_dasm(DASM_PARAMS); break; // Add/Sub/Shft imm - case 0x0e: size = arcompact_handle0e_dasm(DASM_PARAMS); break; // Mov/Cmp/Add - case 0x0f: size = arcompact_handle0f_dasm(DASM_PARAMS); break; // op_S b,b,c (single 16-bit ops) - case 0x10: size = arcompact_handle10_dasm(DASM_PARAMS); break; // LD_S - case 0x11: size = arcompact_handle11_dasm(DASM_PARAMS); break; // LDB_S - case 0x12: size = arcompact_handle12_dasm(DASM_PARAMS); break; // LDW_S - case 0x13: size = arcompact_handle13_dasm(DASM_PARAMS); break; // LSW_S.X - case 0x14: size = arcompact_handle14_dasm(DASM_PARAMS); break; // ST_S - case 0x15: size = arcompact_handle15_dasm(DASM_PARAMS); break; // STB_S - case 0x16: size = arcompact_handle16_dasm(DASM_PARAMS); break; // STW_S - case 0x17: size = arcompact_handle17_dasm(DASM_PARAMS); break; // Shift/Sub/Bit - case 0x18: size = arcompact_handle18_dasm(DASM_PARAMS); break; // Stack Instr - case 0x19: size = arcompact_handle19_dasm(DASM_PARAMS); break; // GP Instr - case 0x1a: size = arcompact_handle1a_dasm(DASM_PARAMS); break; // PCL Instr - case 0x1b: size = arcompact_handle1b_dasm(DASM_PARAMS); break; // MOV_S - case 0x1c: size = arcompact_handle1c_dasm(DASM_PARAMS); break; // ADD_S/CMP_S - case 0x1d: size = arcompact_handle1d_dasm(DASM_PARAMS); break; // BRcc_S - case 0x1e: size = arcompact_handle1e_dasm(DASM_PARAMS); break; // Bcc_S - case 0x1f: size = arcompact_handle1f_dasm(DASM_PARAMS); break; // BL_S + case 0x0c: size = handle0c_dasm(stream, pc, op, opcodes); break; // Load/Add reg-reg + case 0x0d: size = handle0d_dasm(stream, pc, op, opcodes); break; // Add/Sub/Shft imm + case 0x0e: size = handle0e_dasm(stream, pc, op, opcodes); break; // Mov/Cmp/Add + case 0x0f: size = handle0f_dasm(stream, pc, op, opcodes); break; // op_S b,b,c (single 16-bit ops) + case 0x10: size = handle10_dasm(stream, pc, op, opcodes); break; // LD_S + case 0x11: size = handle11_dasm(stream, pc, op, opcodes); break; // LDB_S + case 0x12: size = handle12_dasm(stream, pc, op, opcodes); break; // LDW_S + case 0x13: size = handle13_dasm(stream, pc, op, opcodes); break; // LSW_S.X + case 0x14: size = handle14_dasm(stream, pc, op, opcodes); break; // ST_S + case 0x15: size = handle15_dasm(stream, pc, op, opcodes); break; // STB_S + case 0x16: size = handle16_dasm(stream, pc, op, opcodes); break; // STW_S + case 0x17: size = handle17_dasm(stream, pc, op, opcodes); break; // Shift/Sub/Bit + case 0x18: size = handle18_dasm(stream, pc, op, opcodes); break; // Stack Instr + case 0x19: size = handle19_dasm(stream, pc, op, opcodes); break; // GP Instr + case 0x1a: size = handle1a_dasm(stream, pc, op, opcodes); break; // PCL Instr + case 0x1b: size = handle1b_dasm(stream, pc, op, opcodes); break; // MOV_S + case 0x1c: size = handle1c_dasm(stream, pc, op, opcodes); break; // ADD_S/CMP_S + case 0x1d: size = handle1d_dasm(stream, pc, op, opcodes); break; // BRcc_S + case 0x1e: size = handle1e_dasm(stream, pc, op, opcodes); break; // Bcc_S + case 0x1f: size = handle1f_dasm(stream, pc, op, opcodes); break; // BL_S } } - return size | DASMFLAG_SUPPORTED; + return size | SUPPORTED; } |