mirror of
https://github.com/holub/mame
synced 2025-04-23 08:49:55 +03:00
Changed the ADSP-21xx disassembler to use std::ostream internally
This commit is contained in:
Nathan Woods
parent
347b8cd925
commit
48be12dca4
@ -182,7 +182,7 @@ static const char *const constants[] =
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static int alumac(char *buffer, int dest, int op)
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static void alumac(std::ostream &stream, int dest, int op)
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{
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int opindex = (op >> 13) & 31;
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const char *xop, *yop, *dst, *opstring;
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@ -201,13 +201,13 @@ static int alumac(char *buffer, int dest, int op)
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}
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opstring = alumac_op[opindex][((op >> 11) & 3) == 3];
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if (opstring[0] == '!')
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return sprintf(buffer, opstring + 1, dst, yop, xop);
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util::stream_format(stream, opstring + 1, dst, yop, xop);
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else
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return sprintf(buffer, opstring, dst, xop, yop);
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util::stream_format(stream, opstring, dst, xop, yop);
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}
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static int aluconst(char *buffer, int dest, int op)
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static void aluconst(std::ostream &stream, int dest, int op)
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{
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int opindex = (op >> 13) & 31;
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const char *xop, *dst, *cval, *opstring;
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@ -226,14 +226,14 @@ static int aluconst(char *buffer, int dest, int op)
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}
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opstring = alumac_op[opindex][((op >> 11) & 3) == 3];
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if (opstring[0] == '!')
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return sprintf(buffer, opstring + 1, dst, cval, xop);
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util::stream_format(stream, opstring + 1, dst, cval, xop);
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else
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return sprintf(buffer, opstring, dst, xop, cval);
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util::stream_format(stream, opstring, dst, xop, cval);
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}
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/* execute instructions on this CPU until icount expires */
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CPU_DISASSEMBLE( adsp21xx )
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static offs_t internal_disasm_adsp21xx(cpu_device *device, std::ostream &stream, offs_t pc, const uint8_t *oprom, const uint8_t *opram, int options)
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{
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unsigned int op = oprom[0] | (oprom[1] << 8) | (oprom[2] << 16);
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unsigned dasmflags = 0;
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@ -243,26 +243,26 @@ CPU_DISASSEMBLE( adsp21xx )
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{
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case 0x00:
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/* 00000000 00000000 00000000 NOP */
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sprintf(buffer, "%s", "NOP");
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stream << "NOP";
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break;
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case 0x01:
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/* 00000000 0xxxxxxx xxxxxxxx dst = IO(x) */
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/* 00000000 1xxxxxxx xxxxxxxx IO(x) = dst */
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/* ADSP-218x only */
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if ((op & 0x008000) == 0x000000)
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buffer += sprintf(buffer, "%s = IO($%X)", reg_grp[0][op & 15], (op >> 4) & 0x7ff);
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util::stream_format(stream, "%s = IO($%X)", reg_grp[0][op & 15], (op >> 4) & 0x7ff);
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else
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buffer += sprintf(buffer, "IO($%X) = %s", (op >> 4) & 0x7ff, reg_grp[0][op & 15]);
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util::stream_format(stream, "IO($%X) = %s", (op >> 4) & 0x7ff, reg_grp[0][op & 15]);
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break;
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case 0x02:
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/* 00000010 0000xxxx xxxxxxxx modify flag out */
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if ((op & 0x00f000) == 0x000000)
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{
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buffer += sprintf(buffer, "%s", condition[op & 15]);
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buffer += sprintf(buffer, flag_change[(op >> 4) & 3], "FLAG_OUT");
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buffer += sprintf(buffer, flag_change[(op >> 6) & 3], "FL0");
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buffer += sprintf(buffer, flag_change[(op >> 8) & 3], "FL1");
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buffer += sprintf(buffer, flag_change[(op >> 10) & 3], "FL2");
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util::stream_format(stream, "%s", condition[op & 15]);
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util::stream_format(stream, flag_change[(op >> 4) & 3], "FLAG_OUT");
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util::stream_format(stream, flag_change[(op >> 6) & 3], "FL0");
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util::stream_format(stream, flag_change[(op >> 8) & 3], "FL1");
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util::stream_format(stream, flag_change[(op >> 10) & 3], "FL2");
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}
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/* 00000010 10000000 00000000 idle */
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/* 00000010 10000000 0000xxxx idle (n) */
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@ -270,23 +270,23 @@ CPU_DISASSEMBLE( adsp21xx )
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{
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}
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else
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buffer += sprintf(buffer, "??? (%06X)", op);
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util::stream_format(stream, "??? (%06X)", op);
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break;
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case 0x03:
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/* 00000011 xxxxxxxx xxxxxxxx call or jump on flag in */
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if (op & 2)
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buffer += sprintf(buffer, "%s", "IF FLAG_IN ");
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util::stream_format(stream, "%s", "IF FLAG_IN ");
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else
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buffer += sprintf(buffer, "%s", "IF NOT FLAG_IN ");
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util::stream_format(stream, "%s", "IF NOT FLAG_IN ");
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if (op & 1)
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{
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buffer += sprintf(buffer, "%s", "CALL ");
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util::stream_format(stream, "%s", "CALL ");
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dasmflags = DASMFLAG_STEP_OVER;
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}
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else
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buffer += sprintf(buffer, "%s", "JUMP ");
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util::stream_format(stream, "%s", "JUMP ");
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temp = ((op >> 4) & 0x0fff) | ((op << 10) & 0x3000);
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buffer += sprintf(buffer, "$%04X", temp);
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util::stream_format(stream, "$%04X", temp);
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break;
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case 0x04:
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/* 00000100 00000000 000xxxxx stack control */
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@ -294,166 +294,166 @@ CPU_DISASSEMBLE( adsp21xx )
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{
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if (op & 0x000010)
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{
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buffer += sprintf(buffer, "%s", "POP PC ");
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util::stream_format(stream, "%s", "POP PC ");
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dasmflags = DASMFLAG_STEP_OUT;
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}
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if (op & 0x000008) buffer += sprintf(buffer, "%s", "POP LOOP ");
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if (op & 0x000004) buffer += sprintf(buffer, "%s", "POP CNTR ");
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if ((op & 0x000003) == 0x000002) buffer += sprintf(buffer, "%s", "PUSH STAT ");
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else if ((op & 0x000003) == 0x000003) buffer += sprintf(buffer, "%s", "POP STAT ");
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if (op & 0x000008) util::stream_format(stream, "%s", "POP LOOP ");
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if (op & 0x000004) util::stream_format(stream, "%s", "POP CNTR ");
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if ((op & 0x000003) == 0x000002) util::stream_format(stream, "%s", "PUSH STAT ");
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else if ((op & 0x000003) == 0x000003) util::stream_format(stream, "%s", "POP STAT ");
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}
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else
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buffer += sprintf(buffer, "??? (%06X)", op);
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util::stream_format(stream, "??? (%06X)", op);
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break;
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case 0x05:
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/* 00000101 00000000 00000000 saturate MR */
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if ((op & 0x00ffff) == 0x000000)
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buffer += sprintf(buffer, "%s", "IF MV SAT MR");
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util::stream_format(stream, "%s", "IF MV SAT MR");
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else
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buffer += sprintf(buffer, "??? (%06X)", op);
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util::stream_format(stream, "??? (%06X)", op);
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break;
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case 0x06:
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/* 00000110 000xxxxx 00000000 DIVS */
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if ((op & 0x00e0ff) == 0x000000)
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buffer += sprintf(buffer, "DIVS %s,%s", alu_yop[(op >> 11) & 3], alu_xop[(op >> 8) & 7]);
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util::stream_format(stream, "DIVS %s,%s", alu_yop[(op >> 11) & 3], alu_xop[(op >> 8) & 7]);
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else
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buffer += sprintf(buffer, "??? (%06X)", op);
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util::stream_format(stream, "??? (%06X)", op);
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break;
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case 0x07:
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/* 00000111 00010xxx 00000000 DIVQ */
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if ((op & 0x00f8ff) == 0x001000)
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buffer += sprintf(buffer, "DIVQ %s", alu_xop[(op >> 8) & 7]);
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util::stream_format(stream, "DIVQ %s", alu_xop[(op >> 8) & 7]);
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else
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buffer += sprintf(buffer, "??? (%06X)", op);
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util::stream_format(stream, "??? (%06X)", op);
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break;
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case 0x08:
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/* 00001000 00000000 0000xxxx reserved */
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buffer += sprintf(buffer, "??? (%06X)", op);
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util::stream_format(stream, "??? (%06X)", op);
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break;
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case 0x09:
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/* 00001001 00000000 000xxxxx modify address register */
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if ((op & 0x00ffe0) == 0x000000)
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{
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temp = (op >> 2) & 4;
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buffer += sprintf(buffer, "MODIFY (I%d,M%d)", temp + ((op >> 2) & 3), temp + (op & 3));
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util::stream_format(stream, "MODIFY (I%d,M%d)", temp + ((op >> 2) & 3), temp + (op & 3));
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}
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else
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buffer += sprintf(buffer, "??? (%06X)", op);
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util::stream_format(stream, "??? (%06X)", op);
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break;
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case 0x0a:
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/* 00001010 00000000 0000xxxx conditional return */
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if ((op & 0x00ffe0) == 0x000000)
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{
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buffer += sprintf(buffer, "%s", condition[op & 15]);
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util::stream_format(stream, "%s", condition[op & 15]);
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if (op & 0x000010)
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buffer += sprintf(buffer, "%s", "RTI");
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util::stream_format(stream, "%s", "RTI");
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else
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buffer += sprintf(buffer, "%s", "RTS");
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util::stream_format(stream, "%s", "RTS");
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dasmflags = DASMFLAG_STEP_OUT;
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}
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else
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buffer += sprintf(buffer, "??? (%06X)", op);
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util::stream_format(stream, "??? (%06X)", op);
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break;
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case 0x0b:
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/* 00001011 00000000 xx00xxxx conditional jump (indirect address) */
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if ((op & 0x00ff00) == 0x000000)
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{
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buffer += sprintf(buffer, "%s", condition[op & 15]);
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util::stream_format(stream, "%s", condition[op & 15]);
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if (op & 0x000010)
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{
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buffer += sprintf(buffer, "CALL (I%d)", 4 + ((op >> 6) & 3));
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util::stream_format(stream, "CALL (I%d)", 4 + ((op >> 6) & 3));
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dasmflags = DASMFLAG_STEP_OVER;
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}
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else
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buffer += sprintf(buffer, "JUMP (I%d)", 4 + ((op >> 6) & 3));
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util::stream_format(stream, "JUMP (I%d)", 4 + ((op >> 6) & 3));
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}
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else
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buffer += sprintf(buffer, "??? (%06X)", op);
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util::stream_format(stream, "??? (%06X)", op);
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break;
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case 0x0c:
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/* 00001100 xxxxxxxx xxxxxxxx mode control */
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buffer += sprintf(buffer, mode_change[(op >> 4) & 3], "SEC_REG");
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buffer += sprintf(buffer, mode_change[(op >> 6) & 3], "BIT_REV");
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buffer += sprintf(buffer, mode_change[(op >> 8) & 3], "AV_LATCH");
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buffer += sprintf(buffer, mode_change[(op >> 10) & 3], "AR_SAT");
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buffer += sprintf(buffer, mode_change[(op >> 12) & 3], "M_MODE");
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buffer += sprintf(buffer, mode_change[(op >> 14) & 3], "TIMER");
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buffer += sprintf(buffer, mode_change[(op >> 2) & 3], "G_MODE");
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util::stream_format(stream, mode_change[(op >> 4) & 3], "SEC_REG");
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util::stream_format(stream, mode_change[(op >> 6) & 3], "BIT_REV");
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util::stream_format(stream, mode_change[(op >> 8) & 3], "AV_LATCH");
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util::stream_format(stream, mode_change[(op >> 10) & 3], "AR_SAT");
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util::stream_format(stream, mode_change[(op >> 12) & 3], "M_MODE");
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util::stream_format(stream, mode_change[(op >> 14) & 3], "TIMER");
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util::stream_format(stream, mode_change[(op >> 2) & 3], "G_MODE");
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break;
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case 0x0d:
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/* 00001101 0000xxxx xxxxxxxx internal data move */
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if ((op & 0x00f000) == 0x000000)
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buffer += sprintf(buffer, "%s = %s", reg_grp[(op >> 10) & 3][(op >> 4) & 15], reg_grp[(op >> 8) & 3][op & 15]);
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util::stream_format(stream, "%s = %s", reg_grp[(op >> 10) & 3][(op >> 4) & 15], reg_grp[(op >> 8) & 3][op & 15]);
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else
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buffer += sprintf(buffer, "??? (%06X)", op);
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util::stream_format(stream, "??? (%06X)", op);
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break;
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case 0x0e:
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/* 00001110 0xxxxxxx xxxxxxxx conditional shift */
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if ((op & 0x0080f0) == 0x000000)
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{
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buffer += sprintf(buffer, "%s", condition[op & 15]);
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buffer += sprintf(buffer, shift_op[(op >> 11) & 15], shift_xop[(op >> 8) & 7]);
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util::stream_format(stream, "%s", condition[op & 15]);
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util::stream_format(stream, shift_op[(op >> 11) & 15], shift_xop[(op >> 8) & 7]);
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}
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else
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buffer += sprintf(buffer, "??? (%06X)", op);
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util::stream_format(stream, "??? (%06X)", op);
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break;
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case 0x0f:
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/* 00001111 0xxxxxxx xxxxxxxx shift immediate */
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if ((op & 0x008000) == 0x000000)
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buffer += sprintf(buffer, shift_by_op[(op >> 11) & 15], shift_xop[(op >> 8) & 7], (signed char)op);
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util::stream_format(stream, shift_by_op[(op >> 11) & 15], shift_xop[(op >> 8) & 7], (signed char)op);
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else
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buffer += sprintf(buffer, "??? (%06X)", op);
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util::stream_format(stream, "??? (%06X)", op);
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break;
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case 0x10:
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/* 00010000 0xxxxxxx xxxxxxxx shift with internal data register move */
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if ((op & 0x008000) == 0x000000)
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{
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buffer += sprintf(buffer, shift_op[(op >> 11) & 15], shift_xop[(op >> 8) & 7]);
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buffer += sprintf(buffer, ", %s = %s", reg_grp[0][(op >> 4) & 15], reg_grp[0][op & 15]);
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util::stream_format(stream, shift_op[(op >> 11) & 15], shift_xop[(op >> 8) & 7]);
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util::stream_format(stream, ", %s = %s", reg_grp[0][(op >> 4) & 15], reg_grp[0][op & 15]);
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}
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else
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buffer += sprintf(buffer, "??? (%06X)", op);
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util::stream_format(stream, "??? (%06X)", op);
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break;
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case 0x11:
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/* 00010001 0xxxxxxx xxxxxxxx shift with pgm memory read/write */
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buffer += sprintf(buffer, shift_op[(op >> 11) & 15], shift_xop[(op >> 8) & 7]);
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util::stream_format(stream, shift_op[(op >> 11) & 15], shift_xop[(op >> 8) & 7]);
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if (op & 0x008000)
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buffer += sprintf(buffer, ", PM(I%d,M%d) = %s", 4 + ((op >> 2) & 3), 4 + (op & 3), reg_grp[0][(op >> 4) & 15]);
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util::stream_format(stream, ", PM(I%d,M%d) = %s", 4 + ((op >> 2) & 3), 4 + (op & 3), reg_grp[0][(op >> 4) & 15]);
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else
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buffer += sprintf(buffer, ", %s = PM(I%d,M%d)", reg_grp[0][(op >> 4) & 15], 4 + ((op >> 2) & 3), 4 + (op & 3));
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util::stream_format(stream, ", %s = PM(I%d,M%d)", reg_grp[0][(op >> 4) & 15], 4 + ((op >> 2) & 3), 4 + (op & 3));
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break;
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case 0x12: case 0x13:
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/* 0001001x 0xxxxxxx xxxxxxxx shift with data memory read/write */
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buffer += sprintf(buffer, shift_op[(op >> 11) & 15], shift_xop[(op >> 8) & 7]);
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util::stream_format(stream, shift_op[(op >> 11) & 15], shift_xop[(op >> 8) & 7]);
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temp = (op >> 14) & 4;
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if (op & 0x008000)
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buffer += sprintf(buffer, ", DM(I%d,M%d) = %s", temp + ((op >> 2) & 3), temp + (op & 3), reg_grp[0][(op >> 4) & 15]);
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util::stream_format(stream, ", DM(I%d,M%d) = %s", temp + ((op >> 2) & 3), temp + (op & 3), reg_grp[0][(op >> 4) & 15]);
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else
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buffer += sprintf(buffer, ", %s = DM(I%d,M%d)", reg_grp[0][(op >> 4) & 15], temp + ((op >> 2) & 3), temp + (op & 3));
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util::stream_format(stream, ", %s = DM(I%d,M%d)", reg_grp[0][(op >> 4) & 15], temp + ((op >> 2) & 3), temp + (op & 3));
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break;
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case 0x14: case 0x15: case 0x16: case 0x17:
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/* 000101xx xxxxxxxx xxxxxxxx do until */
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buffer += sprintf(buffer, "DO $%04X UNTIL %s", (op >> 4) & 0x3fff, do_condition[op & 15]);
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util::stream_format(stream, "DO $%04X UNTIL %s", (op >> 4) & 0x3fff, do_condition[op & 15]);
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break;
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case 0x18: case 0x19: case 0x1a: case 0x1b: case 0x1c: case 0x1d: case 0x1e: case 0x1f:
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/* 00011xxx xxxxxxxx xxxxxxxx conditional jump (immediate addr) */
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if (op & 0x040000)
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{
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buffer += sprintf(buffer, "%sCALL $%04X", condition[op & 15], (op >> 4) & 0x3fff);
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util::stream_format(stream, "%sCALL $%04X", condition[op & 15], (op >> 4) & 0x3fff);
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dasmflags = DASMFLAG_STEP_OVER;
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}
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else
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buffer += sprintf(buffer, "%sJUMP $%04X", condition[op & 15], (op >> 4) & 0x3fff);
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util::stream_format(stream, "%sJUMP $%04X", condition[op & 15], (op >> 4) & 0x3fff);
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break;
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case 0x20: case 0x21: case 0x22: case 0x23: case 0x24: case 0x25: case 0x26: case 0x27:
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/* 00100xxx xxxxxxxx xxxxxxxx conditional ALU/MAC */
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buffer += sprintf(buffer, "%s", condition[op & 15]);
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util::stream_format(stream, "%s", condition[op & 15]);
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if (!(op & 0x10))
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buffer += alumac(buffer, (op >> 18) & 1, op);
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alumac(stream, (op >> 18) & 1, op);
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else
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{
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/* ADSP-218x only */
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buffer += aluconst(buffer, (op >> 18) & 1, op);
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aluconst(stream, (op >> 18) & 1, op);
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}
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break;
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case 0x28: case 0x29: case 0x2a: case 0x2b: case 0x2c: case 0x2d: case 0x2e: case 0x2f:
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@ -461,40 +461,40 @@ CPU_DISASSEMBLE( adsp21xx )
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if ((op & 0x0600ff) == 0x0200aa)
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{
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/* ADSP-218x only */
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buffer += alumac(buffer, 2, op);
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alumac(stream, 2, op);
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}
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else
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{
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if ((op & 0x03e000) != 0)
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{
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buffer += alumac(buffer, (op >> 18) & 1, op);
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buffer += sprintf(buffer, ", ");
|
||||
alumac(stream, (op >> 18) & 1, op);
|
||||
util::stream_format(stream, ", ");
|
||||
}
|
||||
buffer += sprintf(buffer, "%s = %s", reg_grp[0][(op >> 4) & 15], reg_grp[0][op & 15]);
|
||||
util::stream_format(stream, "%s = %s", reg_grp[0][(op >> 4) & 15], reg_grp[0][op & 15]);
|
||||
}
|
||||
break;
|
||||
case 0x30: case 0x31: case 0x32: case 0x33: case 0x34: case 0x35: case 0x36: case 0x37:
|
||||
case 0x38: case 0x39: case 0x3a: case 0x3b: case 0x3c: case 0x3d: case 0x3e: case 0x3f:
|
||||
/* 0011xxxx xxxxxxxx xxxxxxxx load non-data register immediate */
|
||||
buffer += sprintf(buffer, "%s = $%04X", reg_grp[(op >> 18) & 3][op & 15], (op >> 4) & 0x3fff);
|
||||
util::stream_format(stream, "%s = $%04X", reg_grp[(op >> 18) & 3][op & 15], (op >> 4) & 0x3fff);
|
||||
break;
|
||||
case 0x40: case 0x41: case 0x42: case 0x43: case 0x44: case 0x45: case 0x46: case 0x47:
|
||||
case 0x48: case 0x49: case 0x4a: case 0x4b: case 0x4c: case 0x4d: case 0x4e: case 0x4f:
|
||||
/* 0100xxxx xxxxxxxx xxxxxxxx load data register immediate */
|
||||
buffer += sprintf(buffer, "%s = $%04X", reg_grp[0][op & 15], (op >> 4) & 0xffff);
|
||||
util::stream_format(stream, "%s = $%04X", reg_grp[0][op & 15], (op >> 4) & 0xffff);
|
||||
break;
|
||||
case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57:
|
||||
case 0x58: case 0x59: case 0x5a: case 0x5b: case 0x5c: case 0x5d: case 0x5e: case 0x5f:
|
||||
/* 0101xxxx xxxxxxxx xxxxxxxx ALU/MAC with pgm memory read/write */
|
||||
if ((op & 0x03e000) != 0)
|
||||
{
|
||||
buffer += alumac(buffer, (op >> 18) & 1, op);
|
||||
buffer += sprintf(buffer, ", ");
|
||||
alumac(stream, (op >> 18) & 1, op);
|
||||
util::stream_format(stream, ", ");
|
||||
}
|
||||
if (op & 0x080000)
|
||||
buffer += sprintf(buffer, "PM(I%d,M%d) = %s", 4 + ((op >> 2) & 3), 4 + (op & 3), reg_grp[0][(op >> 4) & 15]);
|
||||
util::stream_format(stream, "PM(I%d,M%d) = %s", 4 + ((op >> 2) & 3), 4 + (op & 3), reg_grp[0][(op >> 4) & 15]);
|
||||
else
|
||||
buffer += sprintf(buffer, "%s = PM(I%d,M%d)", reg_grp[0][(op >> 4) & 15], 4 + ((op >> 2) & 3), 4 + (op & 3));
|
||||
util::stream_format(stream, "%s = PM(I%d,M%d)", reg_grp[0][(op >> 4) & 15], 4 + ((op >> 2) & 3), 4 + (op & 3));
|
||||
break;
|
||||
case 0x60: case 0x61: case 0x62: case 0x63: case 0x64: case 0x65: case 0x66: case 0x67:
|
||||
case 0x68: case 0x69: case 0x6a: case 0x6b: case 0x6c: case 0x6d: case 0x6e: case 0x6f:
|
||||
@ -503,14 +503,14 @@ CPU_DISASSEMBLE( adsp21xx )
|
||||
/* 011xxxxx xxxxxxxx xxxxxxxx ALU/MAC with data memory read/write */
|
||||
if ((op & 0x03e000) != 0)
|
||||
{
|
||||
buffer += alumac(buffer, (op >> 18) & 1, op);
|
||||
buffer += sprintf(buffer, ", ");
|
||||
alumac(stream, (op >> 18) & 1, op);
|
||||
util::stream_format(stream, ", ");
|
||||
}
|
||||
temp = (op >> 18) & 4;
|
||||
if (op & 0x080000)
|
||||
buffer += sprintf(buffer, "DM(I%d,M%d) = %s", temp + ((op >> 2) & 3), temp + (op & 3), reg_grp[0][(op >> 4) & 15]);
|
||||
util::stream_format(stream, "DM(I%d,M%d) = %s", temp + ((op >> 2) & 3), temp + (op & 3), reg_grp[0][(op >> 4) & 15]);
|
||||
else
|
||||
buffer += sprintf(buffer, "%s = DM(I%d,M%d)", reg_grp[0][(op >> 4) & 15], temp + ((op >> 2) & 3), temp + (op & 3));
|
||||
util::stream_format(stream, "%s = DM(I%d,M%d)", reg_grp[0][(op >> 4) & 15], temp + ((op >> 2) & 3), temp + (op & 3));
|
||||
break;
|
||||
case 0x80: case 0x81: case 0x82: case 0x83: case 0x84: case 0x85: case 0x86: case 0x87:
|
||||
case 0x88: case 0x89: case 0x8a: case 0x8b: case 0x8c: case 0x8d: case 0x8e: case 0x8f:
|
||||
@ -518,9 +518,9 @@ CPU_DISASSEMBLE( adsp21xx )
|
||||
case 0x98: case 0x99: case 0x9a: case 0x9b: case 0x9c: case 0x9d: case 0x9e: case 0x9f:
|
||||
/* 100xxxxx xxxxxxxx xxxxxxxx read/write data memory (immediate addr) */
|
||||
if (op & 0x100000)
|
||||
buffer += sprintf(buffer, "DM($%04X) = %s", (op >> 4) & 0x3fff, reg_grp[(op >> 18) & 3][op & 15]);
|
||||
util::stream_format(stream, "DM($%04X) = %s", (op >> 4) & 0x3fff, reg_grp[(op >> 18) & 3][op & 15]);
|
||||
else
|
||||
buffer += sprintf(buffer, "%s = DM($%04X)", reg_grp[(op >> 18) & 3][op & 15], (op >> 4) & 0x3fff);
|
||||
util::stream_format(stream, "%s = DM($%04X)", reg_grp[(op >> 18) & 3][op & 15], (op >> 4) & 0x3fff);
|
||||
break;
|
||||
case 0xa0: case 0xa1: case 0xa2: case 0xa3: case 0xa4: case 0xa5: case 0xa6: case 0xa7:
|
||||
case 0xa8: case 0xa9: case 0xaa: case 0xab: case 0xac: case 0xad: case 0xae: case 0xaf:
|
||||
@ -528,7 +528,7 @@ CPU_DISASSEMBLE( adsp21xx )
|
||||
case 0xb8: case 0xb9: case 0xba: case 0xbb: case 0xbc: case 0xbd: case 0xbe: case 0xbf:
|
||||
/* 101xxxxx xxxxxxxx xxxxxxxx data memory write (immediate) */
|
||||
temp = (op >> 18) & 4;
|
||||
buffer += sprintf(buffer, "DM(I%d,M%d) = $%04X", temp + ((op >> 2) & 3), temp + (op & 3), (op >> 4) & 0xffff);
|
||||
util::stream_format(stream, "DM(I%d,M%d) = $%04X", temp + ((op >> 2) & 3), temp + (op & 3), (op >> 4) & 0xffff);
|
||||
break;
|
||||
case 0xc0: case 0xc1: case 0xc2: case 0xc3: case 0xc4: case 0xc5: case 0xc6: case 0xc7:
|
||||
case 0xc8: case 0xc9: case 0xca: case 0xcb: case 0xcc: case 0xcd: case 0xce: case 0xcf:
|
||||
@ -541,13 +541,24 @@ CPU_DISASSEMBLE( adsp21xx )
|
||||
/* 11xxxxxx xxxxxxxx xxxxxxxx ALU/MAC with data & pgm memory read */
|
||||
if ((op & 0x03e000) != 0)
|
||||
{
|
||||
buffer += alumac(buffer, 0, op);
|
||||
buffer += sprintf(buffer, ", ");
|
||||
alumac(stream, 0, op);
|
||||
util::stream_format(stream, ", ");
|
||||
}
|
||||
buffer += sprintf(buffer, "%s = DM(I%d,M%d), %s = PM(I%d,M%d)", dual_xreg[(op >> 18) & 3], (op >> 2) & 3, op & 3,
|
||||
util::stream_format(stream, "%s = DM(I%d,M%d), %s = PM(I%d,M%d)", dual_xreg[(op >> 18) & 3], (op >> 2) & 3, op & 3,
|
||||
dual_yreg[(op >> 20) & 3], 4 + ((op >> 6) & 3), 4 + ((op >> 4) & 3));
|
||||
break;
|
||||
}
|
||||
|
||||
return 1 | dasmflags | DASMFLAG_SUPPORTED;
|
||||
}
|
||||
|
||||
|
||||
CPU_DISASSEMBLE(adsp21xx)
|
||||
{
|
||||
std::ostringstream stream;
|
||||
offs_t result = internal_disasm_adsp21xx(device, stream, pc, oprom, opram, options);
|
||||
std::string stream_str = stream.str();
|
||||
strcpy(buffer, stream_str.c_str());
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user