diff options
Diffstat (limited to 'src/devices/cpu/ucom4/ucom4d.cpp')
-rw-r--r-- | src/devices/cpu/ucom4/ucom4d.cpp | 95 |
1 files changed, 47 insertions, 48 deletions
diff --git a/src/devices/cpu/ucom4/ucom4d.cpp b/src/devices/cpu/ucom4/ucom4d.cpp index 82650cd7939..6b450c7fbc9 100644 --- a/src/devices/cpu/ucom4/ucom4d.cpp +++ b/src/devices/cpu/ucom4/ucom4d.cpp @@ -9,15 +9,31 @@ #include "emu.h" #include "ucom4d.h" + +// common lookup tables + +enum ucom4_disassembler::e_mnemonics : unsigned +{ + mILL, + mLI, mL, mLM, mLDI, mLDZ, mS, mTAL, mTLA, + mX, mXI, mXD, mXM, mXMI, mXMD, mAD, mADC, mADS, mDAA, mDAS, + mEXL, mCLA, mCMA, mCIA, mCLC, mSTC, mTC, mINC, mDEC, mIND, mDED, + mRMB, mSMB, mREB, mSEB, mRPB, mSPB, mJMP, mJCP, mJPA, mCAL, mCZP, mRT, mRTS, + mCI, mCM, mCMB, mTAB, mCLI, mTMB, mTPA, mTPB, + mTIT, mIA, mIP, mOE, mOP, mOCD, mNOP, + mTAW, mTAZ, mTHX, mTLY, mXAW, mXAZ, mXHR, mXHX, mXLS, mXLY, mXC, + mSFB, mRFB, mFBT, mFBF, mRAR, mINM, mDEM, mSTM, mTTM, mEI, mDI +}; + const char *const ucom4_disassembler::s_mnemonics[] = { + "?", "LI", "L", "LM", "LDI", "LDZ", "S", "TAL", "TLA", "X", "XI", "XD", "XM", "XMI", "XMD", "AD", "ADC", "ADS", "DAA", "DAS", "EXL", "CLA", "CMA", "CIA", "CLC", "STC", "TC", "INC", "DEC", "IND", "DED", "RMB", "SMB", "REB", "SEB", "RPB", "SPB", "JMP", "JCP", "JPA", "CAL", "CZP", "RT", "RTS", "CI", "CM", "CMB", "TAB", "CLI", "TMB", "TPA", "TPB", "TIT", "IA", "IP", "OE", "OP", "OCD", "NOP", - "?", "TAW", "TAZ", "THX", "TLY", "XAW", "XAZ", "XHR", "XHX", "XLS", "XLY", "XC", "SFB", "RFB", "FBT", "FBF", "RAR", "INM", "DEM", "STM", "TTM", "EI", "DI" }; @@ -25,82 +41,65 @@ const char *const ucom4_disassembler::s_mnemonics[] = // number of bits per opcode parameter, 2 digits means opcode is 2 bytes const u8 ucom4_disassembler::s_bits[] = { + 0, 4, 0, 2, 80, 4, 0, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 83, 6, 0, 83, 4, 0, 0, 40, 0, 2, 2, 40, 2, 2, 2, 0, 0, 0, 0, 0, 80, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 80, 0, 0, 0 }; const u32 ucom4_disassembler::s_flags[] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, STEP_COND, STEP_COND, 0, STEP_COND, STEP_COND, STEP_COND, 0, STEP_COND, 0, 0, + 0, 0, 0, 0, 0, 0, STEP_COND, STEP_COND, STEP_COND, STEP_COND, STEP_COND, 0, 0, 0, 0, 0, 0, 0, 0, 0, STEP_OVER, STEP_OVER, STEP_OUT, STEP_OUT, - 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, - 0, + STEP_COND, STEP_COND, STEP_COND, STEP_COND, STEP_COND, STEP_COND, STEP_COND, STEP_COND, + STEP_COND, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + 0, 0, STEP_COND, STEP_COND, 0, STEP_COND, STEP_COND, 0, STEP_COND, 0, 0 }; const u8 ucom4_disassembler::ucom4_mnemonic[0x100] = { - /* 0x00 */ - mNOP, mDI, mS, mTIT, mTC, mTTM, mDAA, mTAL, - mAD, mADS, mDAS, mCLC, mCM, mINC, mOP, mDEC, - mCMA, mCIA, mTLA, mDED, mSTM, mLDI, mCLI, mCI, - mEXL, mADC, mXC, mSTC, mILL, mINM, mOCD, mDEM, - /* 0x20 */ - mFBF, mFBF, mFBF, mFBF, mTAB, mTAB, mTAB, mTAB, - mX, mXM, mXM, mXM, mXD, mXMD, mXMD, mXMD, - mRAR, mEI, mIP, mIND, mCMB, mCMB, mCMB, mCMB, - mL, mLM, mLM, mLM, mXI, mXMI, mXMI, mXMI, - /* 0x40 */ - mIA, mJPA, mTAZ, mTAW, mOE, mILL, mTLY, mTHX, - mRT, mRTS, mXAZ, mXAW, mXLS, mXHR, mXLY, mXHX, - mTPB, mTPB, mTPB, mTPB, mTPA, mTPA, mTPA, mTPA, - mTMB, mTMB, mTMB, mTMB, mFBT, mFBT, mFBT, mFBT, - /* 0x60 */ - mRPB, mRPB, mRPB, mRPB, mREB, mREB, mREB, mREB, - mRMB, mRMB, mRMB, mRMB, mRFB, mRFB, mRFB, mRFB, - mSPB, mSPB, mSPB, mSPB, mSEB, mSEB, mSEB, mSEB, - mSMB, mSMB, mSMB, mSMB, mSFB, mSFB, mSFB, mSFB, - /* 0x80 */ - mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, - mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, - mCLA, mLI, mLI, mLI, mLI, mLI, mLI, mLI, - mLI, mLI, mLI, mLI, mLI, mLI, mLI, mLI, - /* 0xa0 */ - mJMP, mJMP, mJMP, mJMP, mJMP, mJMP, mJMP, mJMP, - mCAL, mCAL, mCAL, mCAL, mCAL, mCAL, mCAL, mCAL, - mCZP, mCZP, mCZP, mCZP, mCZP, mCZP, mCZP, mCZP, - mCZP, mCZP, mCZP, mCZP, mCZP, mCZP, mCZP, mCZP, - /* 0xc0 */ - mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, - mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, - mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, - mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, - mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, - mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, - mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, - mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP +// 0 1 2 3 4 5 6 7 8 9 A B C D E F + mNOP, mDI, mS, mTIT, mTC, mTTM, mDAA, mTAL, mAD, mADS, mDAS, mCLC, mCM, mINC, mOP, mDEC, // 0 + mCMA, mCIA, mTLA, mDED, mSTM, mLDI, mCLI, mCI, mEXL, mADC, mXC, mSTC, 0, mINM, mOCD, mDEM, // 1 + mFBF, mFBF, mFBF, mFBF, mTAB, mTAB, mTAB, mTAB, mX, mXM, mXM, mXM, mXD, mXMD, mXMD, mXMD, // 2 + mRAR, mEI, mIP, mIND, mCMB, mCMB, mCMB, mCMB, mL, mLM, mLM, mLM, mXI, mXMI, mXMI, mXMI, // 3 + mIA, mJPA, mTAZ, mTAW, mOE, 0, mTLY, mTHX, mRT, mRTS, mXAZ, mXAW, mXLS, mXHR, mXLY, mXHX, // 4 + + mTPB, mTPB, mTPB, mTPB, mTPA, mTPA, mTPA, mTPA, mTMB, mTMB, mTMB, mTMB, mFBT, mFBT, mFBT, mFBT, // 5 + mRPB, mRPB, mRPB, mRPB, mREB, mREB, mREB, mREB, mRMB, mRMB, mRMB, mRMB, mRFB, mRFB, mRFB, mRFB, // 6 + mSPB, mSPB, mSPB, mSPB, mSEB, mSEB, mSEB, mSEB, mSMB, mSMB, mSMB, mSMB, mSFB, mSFB, mSFB, mSFB, // 7 + mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, mLDZ, // 8 + + mCLA, mLI, mLI, mLI, mLI, mLI, mLI, mLI, mLI, mLI, mLI, mLI, mLI, mLI, mLI, mLI, // 9 + mJMP, mJMP, mJMP, mJMP, mJMP, mJMP, mJMP, mJMP, mCAL, mCAL, mCAL, mCAL, mCAL, mCAL, mCAL, mCAL, // A + mCZP, mCZP, mCZP, mCZP, mCZP, mCZP, mCZP, mCZP, mCZP, mCZP, mCZP, mCZP, mCZP, mCZP, mCZP, mCZP, // B + + mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, // C + mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, // D + mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, // E + mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP, mJCP // F }; +// disasm + offs_t ucom4_disassembler::disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) { offs_t pos = pc; u8 op = opcodes.r8(pos++); u8 instr = ucom4_mnemonic[op]; - util::stream_format(stream,"%-4s ", s_mnemonics[instr]); + util::stream_format(stream,"%-6s", s_mnemonics[instr]); // opcode parameter int bits = s_bits[instr]; |