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r33928 Tuesday 16th December, 2014 at 14:37:40 UTC by David Haywood
arcompact - fix some limm decoding, confirm that leapster CPU type uses the extended registers for multiply results (nw)

[src/emu/cpu/arcompact]

arcompactdasm_ops.c

trunk/src/emu/cpu/arcompact/arcompactdasm_ops.c

r242439	r242440
184	184	/* 36 */ "r54(ext)",
185	185	/* 37 */ "r55(ext)",
186	186	/* 38 */ "r56(ext)",
187		/* 39 */ "r57(ext)", // MLO  (result registers for optional multply functions)
188		/* 3a */ "r58(ext)", // MMID
189		/* 3b */ "r59(ext)", // MHI
	187	/* 39 */ "r57(M-LO)",  // MLO  (result registers for optional multply functions)
	188	/* 3a */ "r58(M-MID)", // MMID
	189	/* 3b */ "r59(M-HI)",  // MHI
190	190	/* 3c */ "r60(LP_COUNT)",
191	191	/* 3d */ "r61(reserved)",
192	192	/* 3e */ "r62(LIMM)", // use Long Immediate Data instead of register
r242439	r242440
207	207	h |= ((op & 0x00e0) >> 5); \
208	208	op &= ~0x00e7; \
209	209
	210	#define COMMON32_GET_breg \
	211	int b_temp = (op & 0x07000000) >> 24; op &= ~0x07000000; \
	212	int B_temp = (op & 0x00007000) >> 12; op &= ~0x00007000; \
	213	int breg = b_temp | (B_temp << 3); \
	214
210	215	#define COMMON16_GET_breg \
211	216	breg =  ((op & 0x0700) >>8); \
212	217	op &= ~0x0700; \
r242439	r242440
338	343
339	344
340	345	int c = (op & 0x00000fc0) >> 6;
341		int b = (op & 0x07000000) >> 24;
342		b |= ((op & 0x00007000) >> 12) << 3;
	346	COMMON32_GET_breg;
343	347	int n = (op & 0x00000020) >> 5; op &= ~0x00000020;
344	348
345	349	op &= ~0x07007fe0;
346	350
347		if ((b != LIMM_REG) && (c != LIMM_REG))
	351	if ((breg != LIMM_REG) && (c != LIMM_REG))
348	352	{
349		print("%s%s %s, %s %08x (%08x)", optext, delaybit[n], regnames[b], regnames[c], PC_ALIGNED32 + (address * 2), op & ~0xf8fe800f);
	353	print("%s%s %s, %s %08x (%08x)", optext, delaybit[n], regnames[breg], regnames[c], PC_ALIGNED32 + (address * 2), op & ~0xf8fe800f);
350	354	}
351	355	else
352	356	{
r242439	r242440
354	358	GET_LIMM_32;
355	359	size = 8;
356	360
357		if ((b == LIMM_REG) && (c != LIMM_REG))
	361	if ((breg == LIMM_REG) && (c != LIMM_REG))
358	362	{
359		print("%s%s (%08x) %s %08x (%08x)", optext, delaybit[n], limm, regnames[b], PC_ALIGNED32 + (address * 2), op & ~0xf8fe800f);
	363	print("%s%s (%08x) %s %08x (%08x)", optext, delaybit[n], limm, regnames[breg], PC_ALIGNED32 + (address * 2), op & ~0xf8fe800f);
360	364	}
361		else if ((c == LIMM_REG) && (b != LIMM_REG))
	365	else if ((c == LIMM_REG) && (breg != LIMM_REG))
362	366	{
363		print("%s%s %s, (%08x) %08x (%08x)", optext, delaybit[n], regnames[b], limm, PC_ALIGNED32 + (address * 2), op & ~0xf8fe800f);
	367	print("%s%s %s, (%08x) %08x (%08x)", optext, delaybit[n], regnames[breg], limm, PC_ALIGNED32 + (address * 2), op & ~0xf8fe800f);
364	368	}
365	369	else
366	370	{
r242439	r242440
396	400	GET_01_01_01_BRANCH_ADDR
397	401
398	402	int u = (op & 0x00000fc0) >> 6;
399		int b = (op & 0x07000000) >> 24;
400		b |= ((op & 0x00007000) >> 12) << 3;
	403	COMMON32_GET_breg;
401	404	int n = (op & 0x00000020) >> 5; op &= ~0x00000020;
402	405
403	406	op &= ~0x07007fe0;
404	407
405		print("%s%s %s, 0x%02x %08x (%08x)", optext, delaybit[n], regnames[b], u, PC_ALIGNED32 + (address * 2), op & ~0xf8fe800f);
	408	print("%s%s %s, 0x%02x %08x (%08x)", optext, delaybit[n], regnames[breg], u, PC_ALIGNED32 + (address * 2), op & ~0xf8fe800f);
406	409
407	410	return size;
408	411	}
r242439	r242440
432	435	int Z = (op & 0x00000180) >> 7;  //op &= ~0x00000180;
433	436	int a = (op & 0x00000600) >> 9;  //op &= ~0x00000600;
434	437	int D = (op & 0x00000800) >> 11;// op &= ~0x00000800;
435		int B = (op & 0x00007000) >> 12;// op &= ~0x00007000;
436	438	int S = (op & 0x00008000) >> 15;// op &= ~0x00008000;
437	439	int s = (op & 0x00ff0000) >> 16;// op &= ~0x00ff0000;
438		int b = (op & 0x07000000) >> 24;// op &= ~0x07000000;
	440	COMMON32_GET_breg;
439	441
440		int breg = b | (B << 3);
441	442	int sdat = s | (S << 8); // todo - signed
442	443
443	444	UINT32 limm = 0;
r242439	r242440
471	472	// fedc ba98 7654 3210 fedc ba98 7654 3210
472	473	// fields
473	474	// 0001 1bbb ssss ssss SBBB CCCC CCDa aZZR
474		int B = (op & 0x00007000) >> 12;// op &= ~0x00007000;
475	475	int S = (op & 0x00008000) >> 15;// op &= ~0x00008000;
476	476	int s = (op & 0x00ff0000) >> 16;// op &= ~0x00ff0000;
477		int b = (op & 0x07000000) >> 24;// op &= ~0x07000000;
478	477
479		int breg = b | (B << 3);
	478	COMMON32_GET_breg;
480	479	int sdat = s | (S << 8); // todo - signed
481	480
482	481	int R = (op & 0x00000001) >> 0; op &= ~0x00000001;
r242439	r242440
519	518	//           PP
520	519	// 0010 0bbb 00ii iiii FBBB CCCC CCAA AAAA
521	520	int size = 4;
	521	UINT32 limm = 0;
	522	int got_limm = 0;
522	523
523	524	int p = (op & 0x00c00000) >> 22; op &= ~0x00c00000;
524		int b = (op & 0x07000000) >> 24; op &= ~0x07000000;
525		int B = (op & 0x00007000) >> 12; op &= ~0x00007000;
526		int breg = b | (B << 3);
527		int F = (op & 0x00008000) >> 15;op &= ~0x00008000;
	525	COMMON32_GET_breg;
	526	int F = (op & 0x00008000) >> 15; op &= ~0x00008000;
528	527
529	528	output  += sprintf( output, "%s", optext);
530	529	output  += sprintf( output, "%s", flagbit[F]);
r242439	r242440
533	532
534	533	if (!b_reserved)
535	534	{
536		output += sprintf(output, " %s, ", regnames[breg]);
	535	if (breg == LIMM_REG)
	536	{
	537	GET_LIMM_32;
	538	size = 8;
	539	got_limm = 1;
	540	output  += sprintf( output, "(%08x) ", limm );
	541
	542	}
	543	else
	544	{
	545	output += sprintf(output, " %s, ", regnames[breg]);
	546	}
537	547	}
538	548	else
539	549	{
r242439	r242440
550	560
551	561	if (C == LIMM_REG)
552	562	{
553		UINT32 limm;
554		GET_LIMM_32;
555		size = 8;
	563	if (!got_limm)
	564	{
	565	GET_LIMM_32;
	566	size = 8;
	567	}
	568
556	569	output  += sprintf( output, "(%08x) ", limm );
557	570	if (!ignore_dst) output  += sprintf( output, "DST(%s)", regnames[A]);
558	571	else
r242439	r242440
807	820	int size = 4;
808	821
809	822	int p = (op & 0x00c00000) >> 22; op &= ~0x00c00000;
810		int b = (op & 0x07000000) >> 24; op &= ~0x07000000;
811		int B = (op & 0x00007000) >> 12; op &= ~0x00007000;
812		int breg = b | (B << 3);
813		int F = (op & 0x00008000) >> 15;op &= ~0x00008000;
	823	COMMON32_GET_breg;
	824	int F = (op & 0x00008000) >> 15; op &= ~0x00008000;
814	825
815	826	output  += sprintf( output, "%s", optext);
816	827	output  += sprintf( output, "%s", flagbit[F]);
r242439	r242440
888	899	int arcompact_handle04_3x_helper_dasm(DASM_OPS_32, int dsize, int extend)
889	900	{
890	901	int size = 4;
	902	UINT32 limm;
	903	int got_limm = 0;
	904
891	905	output += sprintf(output, "LD");
892	906	output += sprintf(output, "%s", datasize[dsize]);
893	907	output += sprintf(output, "%s", dataextend[extend]);
894	908
895	909	int mode = (op & 0x00c00000) >> 22; op &= ~0x00c00000;
896		int b = (op & 0x07000000) >> 24; op &= ~0x07000000;
897		int B = (op & 0x00007000) >> 12; op &= ~0x00007000;
898		int breg = b | (B << 3);
899		int D = (op & 0x00008000) >> 15;op &= ~0x00008000;
	910	COMMON32_GET_breg;
	911	int D = (op & 0x00008000) >> 15; op &= ~0x00008000;
900	912	int C = (op & 0x00000fc0) >> 6; op &= ~0x00000fc0;
901	913	int A = (op & 0x0000003f) >> 0; op &= ~0x0000003f;
902	914
903	915	output += sprintf(output, "%s", addressmode[mode]);
904	916	output += sprintf(output, "%s", cachebit[D]);
905	917
906		output  += sprintf( output, "DST(%s)", regnames[A]);
907		output  += sprintf( output, "SRC1(%s)", regnames[breg]);
908		output  += sprintf( output, "SRC2(%s)", regnames[C]);
	918	output  += sprintf( output, " %s. ", regnames[A]);
909	919
910
	920	if (breg == LIMM_REG)
	921	{
	922	GET_LIMM_32;
	923	size = 8;
	924	got_limm = 1;
	925	output  += sprintf( output, "[%08x, ", limm );
911	926
	927	}
	928	else
	929	{
	930	output += sprintf(output, "[%s, ", regnames[breg]);
	931	}
912	932
	933	if (C == LIMM_REG)
	934	{
	935	if (!got_limm)
	936	{
	937	GET_LIMM_32;
	938	size = 8;
	939	}
	940	output  += sprintf( output, "(%08x)]", limm );
	941
	942	}
	943	else
	944	{
	945	output  += sprintf( output, "%s]", regnames[C]);
	946	}
	947
	948
913	949	return size;
914	950
915	951
r242439	r242440
963	999	int size = 4;
964	1000
965	1001	int p = (op & 0x00c00000) >> 22; op &= ~0x00c00000;
966		int b = (op & 0x07000000) >> 24; op &= ~0x07000000;
967		int B = (op & 0x00007000) >> 12; op &= ~0x00007000;
968		int breg = b | (B << 3);
	1002	COMMON32_GET_breg;
969	1003	int F = (op & 0x00008000) >> 15;op &= ~0x00008000;
970	1004
971	1005	output  += sprintf( output, "%s", optext);

https://github.com/mamedev/mame/commit/0d093c1d301546c68981c237a5f47410f7eef095

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