diff options
Diffstat (limited to 'src/devices/cpu/tms32082/dis_pp.cpp')
-rw-r--r-- | src/devices/cpu/tms32082/dis_pp.cpp | 135 |
1 files changed, 62 insertions, 73 deletions
diff --git a/src/devices/cpu/tms32082/dis_pp.cpp b/src/devices/cpu/tms32082/dis_pp.cpp index b685ab54b4f..8a3a6475ba0 100644 --- a/src/devices/cpu/tms32082/dis_pp.cpp +++ b/src/devices/cpu/tms32082/dis_pp.cpp @@ -3,9 +3,9 @@ // TMS32082 PP Disassembler #include "emu.h" +#include "dis_pp.h" - -static const char *REG_NAMES[128] = +const char *tms32082_pp_disassembler::REG_NAMES[128] = { // 0 - 15 "a0", "a1", "a2", "a3", "a4", "???", "a6", "a7", @@ -33,7 +33,7 @@ static const char *REG_NAMES[128] = "???", "???", "???", "???", "tag0", "tag1", "tag2", "tag3" }; -static const char *CONDITION_CODES[16] = +const char *tms32082_pp_disassembler::CONDITION_CODES[16] = { "", "[p] ", "[ls] ", "[hi] ", "[lt] ", "[le] ", "[ge] ", "[gt] ", @@ -41,50 +41,40 @@ static const char *CONDITION_CODES[16] = "[v] ", "[nv] ", "[n] ", "[nn] " }; -static const char *TRANSFER_SIZE[4] = +const char *tms32082_pp_disassembler::TRANSFER_SIZE[4] = { "b:", "h:", "w:", "" }; - -static std::ostream *output; - -static char *format_address_mode(int mode, int areg, int s, int limx) +std::string tms32082_pp_disassembler::format_address_mode(int mode, int areg, int s, int limx) { - static char buffer[64]; - - memset(buffer, 0, sizeof(char)*64); - switch (mode) { - case 0x4: sprintf(buffer, "*(a%d++=x%d)", areg, limx); break; - case 0x5: sprintf(buffer, "*(a%d--=x%d)", areg, limx); break; - case 0x6: sprintf(buffer, "*(a%d++0x%04X)", areg, limx); break; - case 0x7: sprintf(buffer, "*(a%d--0x%04X)", areg, limx); break; - case 0x8: sprintf(buffer, "*(a%d+x%d)", areg, limx); break; - case 0x9: sprintf(buffer, "*(a%d-x%d)", areg, limx); break; - case 0xa: sprintf(buffer, "*(a%d+0x%04X)", areg, limx); break; - case 0xb: sprintf(buffer, "*(a%d-0x%04X)", areg, limx); break; - case 0xc: sprintf(buffer, "*(a%d+=x%d)", areg, limx); break; - case 0xd: sprintf(buffer, "*(a%d-=x%d)", areg, limx); break; - case 0xe: sprintf(buffer, "*(a%d+=0x%04X)", areg, limx); break; - case 0xf: sprintf(buffer, "*(a%d-=0x%04X)", areg, limx); break; + case 0x4: return util::string_format("*(a%d++=x%d)", areg, limx); + case 0x5: return util::string_format("*(a%d--=x%d)", areg, limx); + case 0x6: return util::string_format("*(a%d++0x%04X)", areg, limx); + case 0x7: return util::string_format("*(a%d--0x%04X)", areg, limx); + case 0x8: return util::string_format("*(a%d+x%d)", areg, limx); + case 0x9: return util::string_format("*(a%d-x%d)", areg, limx); + case 0xa: return util::string_format("*(a%d+0x%04X)", areg, limx); + case 0xb: return util::string_format("*(a%d-0x%04X)", areg, limx); + case 0xc: return util::string_format("*(a%d+=x%d)", areg, limx); + case 0xd: return util::string_format("*(a%d-=x%d)", areg, limx); + case 0xe: return util::string_format("*(a%d+=0x%04X)", areg, limx); + case 0xf: return util::string_format("*(a%d-=0x%04X)", areg, limx); } - return buffer; + return ""; } -static void format_transfer(uint64_t op) +void tms32082_pp_disassembler::format_transfer(uint64_t op) { - char buffer[128]; - char *b = buffer; + std::string buffer; int lmode = (op >> 35) & 0xf; int gmode = (op >> 13) & 0xf; bool is_nop = false; - memset(buffer, 0, sizeof(char)*128); - switch (lmode) { case 0x0: @@ -106,8 +96,8 @@ static void format_transfer(uint64_t op) int dreg = (dstbank << 3) | dst; int sreg = (srcbank << 3) | src; - b += sprintf(b, "%s", CONDITION_CODES[cond]); - b += sprintf(b, "%s = %s", REG_NAMES[dreg], REG_NAMES[sreg]); + buffer += util::string_format("%s", CONDITION_CODES[cond]); + buffer += util::string_format("%s = %s", REG_NAMES[dreg], REG_NAMES[sreg]); break; } case 0x01: // Format 8: Conditional DU ||Conditional Field Move @@ -122,8 +112,8 @@ static void format_transfer(uint64_t op) int dreg = (dstbank << 3) | dst; int sreg = (4 << 3) | src; - b += sprintf(b, "%s", CONDITION_CODES[cond]); - b += sprintf(b, "%s = [%s%d]%s", REG_NAMES[dreg], TRANSFER_SIZE[size], itm, REG_NAMES[sreg]); + buffer += util::string_format("%s", CONDITION_CODES[cond]); + buffer += util::string_format("%s = [%s%d]%s", REG_NAMES[dreg], TRANSFER_SIZE[size], itm, REG_NAMES[sreg]); break; } case 0x02: case 0x03: // Format 10: Conditional Non-D Data Unit @@ -142,8 +132,8 @@ static void format_transfer(uint64_t op) } else { - b += sprintf(b, "%s", CONDITION_CODES[cond]); - b += sprintf(b, "%s = %s", REG_NAMES[dreg], REG_NAMES[sreg]); + buffer += util::string_format("%s", CONDITION_CODES[cond]); + buffer += util::string_format("%s = %s", REG_NAMES[dreg], REG_NAMES[sreg]); } break; } @@ -161,14 +151,14 @@ static void format_transfer(uint64_t op) int greg = (bank << 3) | reg; - b += sprintf(b, "%s", CONDITION_CODES[cond]); + buffer += util::string_format("%s", CONDITION_CODES[cond]); switch (le) { - case 0: b += sprintf(b, "&%s%s = %s", TRANSFER_SIZE[size], format_address_mode(gmode, ga, s, gimx), REG_NAMES[greg]); break; - case 1: b += sprintf(b, "%s = %s", REG_NAMES[greg], format_address_mode(gmode, ga, s, gimx)); break; - case 2: b += sprintf(b, "%s = &%s%s", REG_NAMES[greg], TRANSFER_SIZE[size], format_address_mode(gmode, ga, s, gimx)); break; - case 3: b += sprintf(b, "%s = &%s%s", REG_NAMES[greg], TRANSFER_SIZE[size], format_address_mode(gmode, ga, s, gimx)); break; + case 0: buffer += util::string_format("&%s%s = %s", TRANSFER_SIZE[size], format_address_mode(gmode, ga, s, gimx), REG_NAMES[greg]); break; + case 1: buffer += util::string_format("%s = %s", REG_NAMES[greg], format_address_mode(gmode, ga, s, gimx)); break; + case 2: buffer += util::string_format("%s = &%s%s", REG_NAMES[greg], TRANSFER_SIZE[size], format_address_mode(gmode, ga, s, gimx)); break; + case 3: buffer += util::string_format("%s = &%s%s", REG_NAMES[greg], TRANSFER_SIZE[size], format_address_mode(gmode, ga, s, gimx)); break; } } else // Format 5: Global (Long Offset) @@ -190,10 +180,10 @@ static void format_transfer(uint64_t op) switch (le) { - case 0: b += sprintf(b, "&%s%s = %s", TRANSFER_SIZE[size], format_address_mode(gmode, ga, s, offset), REG_NAMES[greg]); break; - case 1: b += sprintf(b, "%s = %s", REG_NAMES[greg], format_address_mode(gmode, ga, s, offset)); break; - case 2: b += sprintf(b, "%s = &%s%s", REG_NAMES[greg], TRANSFER_SIZE[size], format_address_mode(gmode, ga, s, offset)); break; - case 3: b += sprintf(b, "%s = &%s%s", REG_NAMES[greg], TRANSFER_SIZE[size], format_address_mode(gmode, ga, s, offset)); break; + case 0: buffer += util::string_format("&%s%s = %s", TRANSFER_SIZE[size], format_address_mode(gmode, ga, s, offset), REG_NAMES[greg]); break; + case 1: buffer += util::string_format("%s = %s", REG_NAMES[greg], format_address_mode(gmode, ga, s, offset)); break; + case 2: buffer += util::string_format("%s = &%s%s", REG_NAMES[greg], TRANSFER_SIZE[size], format_address_mode(gmode, ga, s, offset)); break; + case 3: buffer += util::string_format("%s = &%s%s", REG_NAMES[greg], TRANSFER_SIZE[size], format_address_mode(gmode, ga, s, offset)); break; } } break; @@ -210,12 +200,12 @@ static void format_transfer(uint64_t op) { case 0x00: // Format 2: Move || Local { - b += sprintf(b, "move||local <TODO>"); + buffer += util::string_format("move||local <TODO>"); break; } case 0x01: // Format 3: Field Move || Local { - b += sprintf(b, "field move||local <TODO>"); + buffer += util::string_format("field move||local <TODO>"); break; } case 0x02: case 0x03: // Format 6: Non-D DU || Local @@ -231,10 +221,10 @@ static void format_transfer(uint64_t op) switch (le) { - case 0: b += sprintf(b, "&%s%s = %s", TRANSFER_SIZE[size], format_address_mode(lmode, la, s, limx), REG_NAMES[reg]); break; - case 1: b += sprintf(b, "%s = %s", REG_NAMES[reg], format_address_mode(lmode, la, s, limx)); break; - case 2: b += sprintf(b, "%s = &%s%s", REG_NAMES[reg], TRANSFER_SIZE[size], format_address_mode(lmode, la, s, limx)); break; - case 3: b += sprintf(b, "%s = &%s%s", REG_NAMES[reg], TRANSFER_SIZE[size], format_address_mode(lmode, la, s, limx)); break; + case 0: buffer += util::string_format("&%s%s = %s", TRANSFER_SIZE[size], format_address_mode(lmode, la, s, limx), REG_NAMES[reg]); break; + case 1: buffer += util::string_format("%s = %s", REG_NAMES[reg], format_address_mode(lmode, la, s, limx)); break; + case 2: buffer += util::string_format("%s = &%s%s", REG_NAMES[reg], TRANSFER_SIZE[size], format_address_mode(lmode, la, s, limx)); break; + case 3: buffer += util::string_format("%s = &%s%s", REG_NAMES[reg], TRANSFER_SIZE[size], format_address_mode(lmode, la, s, limx)); break; } break; } @@ -263,10 +253,10 @@ static void format_transfer(uint64_t op) switch (le) { - case 0: b += sprintf(b, "&%s%s = %s", TRANSFER_SIZE[size], format_address_mode(lmode, la, s, offset), REG_NAMES[reg]); break; - case 1: b += sprintf(b, "%s = %s", REG_NAMES[reg], format_address_mode(lmode, la, s, offset)); break; - case 2: b += sprintf(b, "%s = &%s%s", REG_NAMES[reg], TRANSFER_SIZE[size], format_address_mode(lmode, la, s, offset)); break; - case 3: b += sprintf(b, "%s = &%s%s", REG_NAMES[reg], TRANSFER_SIZE[size], format_address_mode(lmode, la, s, offset)); break; + case 0: buffer += util::string_format("&%s%s = %s", TRANSFER_SIZE[size], format_address_mode(lmode, la, s, offset), REG_NAMES[reg]); break; + case 1: buffer += util::string_format("%s = %s", REG_NAMES[reg], format_address_mode(lmode, la, s, offset)); break; + case 2: buffer += util::string_format("%s = &%s%s", REG_NAMES[reg], TRANSFER_SIZE[size], format_address_mode(lmode, la, s, offset)); break; + case 3: buffer += util::string_format("%s = &%s%s", REG_NAMES[reg], TRANSFER_SIZE[size], format_address_mode(lmode, la, s, offset)); break; } break; } @@ -294,10 +284,10 @@ static void format_transfer(uint64_t op) // local transfer switch (local_le) { - case 0: b += sprintf(b, "&%s%s = %s", TRANSFER_SIZE[local_size], format_address_mode(lmode, la, local_s, local_imx), REG_NAMES[lreg]); break; - case 1: b += sprintf(b, "%s = %s", REG_NAMES[lreg], format_address_mode(lmode, la, local_s, local_imx)); break; - case 2: b += sprintf(b, "%s = &%s%s", REG_NAMES[lreg], TRANSFER_SIZE[local_size], format_address_mode(lmode, la, local_s, local_imx)); break; - case 3: b += sprintf(b, "%s = &%s%s", REG_NAMES[lreg], TRANSFER_SIZE[local_size], format_address_mode(lmode, la, local_s, local_imx)); break; + case 0: buffer += util::string_format("&%s%s = %s", TRANSFER_SIZE[local_size], format_address_mode(lmode, la, local_s, local_imx), REG_NAMES[lreg]); break; + case 1: buffer += util::string_format("%s = %s", REG_NAMES[lreg], format_address_mode(lmode, la, local_s, local_imx)); break; + case 2: buffer += util::string_format("%s = &%s%s", REG_NAMES[lreg], TRANSFER_SIZE[local_size], format_address_mode(lmode, la, local_s, local_imx)); break; + case 3: buffer += util::string_format("%s = &%s%s", REG_NAMES[lreg], TRANSFER_SIZE[local_size], format_address_mode(lmode, la, local_s, local_imx)); break; } util::stream_format(*output, ", "); @@ -305,10 +295,10 @@ static void format_transfer(uint64_t op) // global transfer switch (global_le) { - case 0: b += sprintf(b, "&%s%s = %s", TRANSFER_SIZE[global_size], format_address_mode(gmode, ga, global_s, global_imx), REG_NAMES[greg]); break; - case 1: b += sprintf(b, "%s = %s", REG_NAMES[greg], format_address_mode(gmode, ga, global_s, global_imx)); break; - case 2: b += sprintf(b, "%s = &%s%s", REG_NAMES[greg], TRANSFER_SIZE[global_size], format_address_mode(gmode, ga, global_s, global_imx)); break; - case 3: b += sprintf(b, "%s = &%s%s", REG_NAMES[greg], TRANSFER_SIZE[global_size], format_address_mode(gmode, ga, global_s, global_imx)); break; + case 0: buffer += util::string_format("&%s%s = %s", TRANSFER_SIZE[global_size], format_address_mode(gmode, ga, global_s, global_imx), REG_NAMES[greg]); break; + case 1: buffer += util::string_format("%s = %s", REG_NAMES[greg], format_address_mode(gmode, ga, global_s, global_imx)); break; + case 2: buffer += util::string_format("%s = &%s%s", REG_NAMES[greg], TRANSFER_SIZE[global_size], format_address_mode(gmode, ga, global_s, global_imx)); break; + case 3: buffer += util::string_format("%s = &%s%s", REG_NAMES[greg], TRANSFER_SIZE[global_size], format_address_mode(gmode, ga, global_s, global_imx)); break; } break; } @@ -320,7 +310,7 @@ static void format_transfer(uint64_t op) util::stream_format(*output, " || %s", buffer); } -static void format_alu_op(int aluop, int a, const char *dst_text, const char *a_text, const char *b_text, const char *c_text) +void tms32082_pp_disassembler::format_alu_op(int aluop, int a, const char *dst_text, const char *a_text, const char *b_text, const char *c_text) { if (a) // arithmetic { @@ -409,13 +399,17 @@ static void format_alu_op(int aluop, int a, const char *dst_text, const char *a_ } } -static offs_t tms32082_disasm_pp(std::ostream &stream, offs_t pc, const uint8_t *oprom) +u32 tms32082_pp_disassembler::opcode_alignment() const +{ + return 8; +} + +offs_t tms32082_pp_disassembler::disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) { output = &stream; uint32_t flags = 0; - uint64_t op = ((uint64_t)(oprom[0]) << 56) | ((uint64_t)(oprom[1]) << 48) | ((uint64_t)(oprom[2]) << 40) | ((uint64_t)(oprom[3]) << 32) | - ((uint64_t)(oprom[4]) << 24) | ((uint64_t)(oprom[5]) << 16) | ((uint64_t)(oprom[6]) << 8) | ((uint64_t)(oprom[7])); + uint64_t op = opcodes.r64(pc); switch (op >> 60) { @@ -695,10 +689,5 @@ static offs_t tms32082_disasm_pp(std::ostream &stream, offs_t pc, const uint8_t break; } - return 8 | flags | DASMFLAG_SUPPORTED; -} - -CPU_DISASSEMBLE(tms32082_pp) -{ - return tms32082_disasm_pp(stream, pc, oprom); + return 8 | flags | SUPPORTED; } |