X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=cpu%2Ffame%2Ffamec_opcodes.h;h=0d6700400b7913d39ca9ef63490ac0ad9af1e3f9;hb=5c5d89adbb0cd269828496350d49ddc8e7be589f;hp=76918994bac9f1fe08ad63c9d9769ef9ead7bae4;hpb=be26eb239bd06fd83ab740dca5582841eac652dd;p=picodrive.git

diff --git a/cpu/fame/famec_opcodes.h b/cpu/fame/famec_opcodes.h
index 7691899..0d67004 100644
--- a/cpu/fame/famec_opcodes.h
+++ b/cpu/fame/famec_opcodes.h
@@ -1,4 +1,10 @@
 
+#ifdef PICODRIVE_HACK
+#define NOT_POLLING g_m68kcontext->not_polling = 1;
+#else
+#define NOT_POLLING
+#endif
+
 // ORI
 OPCODE(0x0000)
 {
@@ -19567,12 +19573,11 @@ RET(14)
 // CHK
 OPCODE(0x4180)
 {
-	u32 adr, res;
-	u32 src, dst;
+	s32 src, res;
 
-	src = DREGu16((Opcode >> 0) & 7);
-	res = DREGu16((Opcode >> 9) & 7);
-	if (((s32)res < 0) || (res > src))
+	src = DREGs16((Opcode >> 0) & 7);
+	res = DREGs16((Opcode >> 9) & 7);
+	if ((res < 0) || (res > src))
 	{
 		flag_N = res >> 8;
 		SET_PC(execute_exception(M68K_CHK_EX, GET_PC, GET_SR));
@@ -19583,14 +19588,14 @@ RET(10)
 // CHK
 OPCODE(0x4190)
 {
-	u32 adr, res;
-	u32 src, dst;
+	s32 src, res;
+	u32 adr;
 
 	adr = AREG((Opcode >> 0) & 7);
 	PRE_IO
-	READ_WORD_F(adr, src)
-	res = DREGu16((Opcode >> 9) & 7);
-	if (((s32)res < 0) || (res > src))
+	READSX_WORD_F(adr, src)
+	res = DREGs16((Opcode >> 9) & 7);
+	if ((res < 0) || (res > src))
 	{
 		flag_N = res >> 8;
 		SET_PC(execute_exception(M68K_CHK_EX, GET_PC, GET_SR));
@@ -19602,15 +19607,15 @@ RET(14)
 // CHK
 OPCODE(0x4198)
 {
-	u32 adr, res;
-	u32 src, dst;
+	s32 src, res;
+	u32 adr;
 
 	adr = AREG((Opcode >> 0) & 7);
 	AREG((Opcode >> 0) & 7) += 2;
 	PRE_IO
-	READ_WORD_F(adr, src)
-	res = DREGu16((Opcode >> 9) & 7);
-	if (((s32)res < 0) || (res > src))
+	READSX_WORD_F(adr, src)
+	res = DREGs16((Opcode >> 9) & 7);
+	if ((res < 0) || (res > src))
 	{
 		flag_N = res >> 8;
 		SET_PC(execute_exception(M68K_CHK_EX, GET_PC, GET_SR));
@@ -19622,15 +19627,15 @@ RET(14)
 // CHK
 OPCODE(0x41A0)
 {
-	u32 adr, res;
-	u32 src, dst;
+	s32 src, res;
+	u32 adr;
 
 	adr = AREG((Opcode >> 0) & 7) - 2;
 	AREG((Opcode >> 0) & 7) = adr;
 	PRE_IO
-	READ_WORD_F(adr, src)
-	res = DREGu16((Opcode >> 9) & 7);
-	if (((s32)res < 0) || (res > src))
+	READSX_WORD_F(adr, src)
+	res = DREGs16((Opcode >> 9) & 7);
+	if ((res < 0) || (res > src))
 	{
 		flag_N = res >> 8;
 		SET_PC(execute_exception(M68K_CHK_EX, GET_PC, GET_SR));
@@ -19642,15 +19647,15 @@ RET(16)
 // CHK
 OPCODE(0x41A8)
 {
-	u32 adr, res;
-	u32 src, dst;
+	s32 src, res;
+	u32 adr;
 
 	FETCH_SWORD(adr);
 	adr += AREG((Opcode >> 0) & 7);
 	PRE_IO
-	READ_WORD_F(adr, src)
-	res = DREGu16((Opcode >> 9) & 7);
-	if (((s32)res < 0) || (res > src))
+	READSX_WORD_F(adr, src)
+	res = DREGs16((Opcode >> 9) & 7);
+	if ((res < 0) || (res > src))
 	{
 		flag_N = res >> 8;
 		SET_PC(execute_exception(M68K_CHK_EX, GET_PC, GET_SR));
@@ -19662,15 +19667,15 @@ RET(18)
 // CHK
 OPCODE(0x41B0)
 {
-	u32 adr, res;
-	u32 src, dst;
+	s32 src, res;
+	u32 adr;
 
 	adr = AREG((Opcode >> 0) & 7);
 	DECODE_EXT_WORD
 	PRE_IO
-	READ_WORD_F(adr, src)
-	res = DREGu16((Opcode >> 9) & 7);
-	if (((s32)res < 0) || (res > src))
+	READSX_WORD_F(adr, src)
+	res = DREGs16((Opcode >> 9) & 7);
+	if ((res < 0) || (res > src))
 	{
 		flag_N = res >> 8;
 		SET_PC(execute_exception(M68K_CHK_EX, GET_PC, GET_SR));
@@ -19682,14 +19687,14 @@ RET(20)
 // CHK
 OPCODE(0x41B8)
 {
-	u32 adr, res;
-	u32 src, dst;
+	s32 src, res;
+	u32 adr;
 
 	FETCH_SWORD(adr);
 	PRE_IO
-	READ_WORD_F(adr, src)
-	res = DREGu16((Opcode >> 9) & 7);
-	if (((s32)res < 0) || (res > src))
+	READSX_WORD_F(adr, src)
+	res = DREGs16((Opcode >> 9) & 7);
+	if ((res < 0) || (res > src))
 	{
 		flag_N = res >> 8;
 		SET_PC(execute_exception(M68K_CHK_EX, GET_PC, GET_SR));
@@ -19701,14 +19706,14 @@ RET(18)
 // CHK
 OPCODE(0x41B9)
 {
-	u32 adr, res;
-	u32 src, dst;
+	s32 src, res;
+	u32 adr;
 
 	FETCH_LONG(adr);
 	PRE_IO
-	READ_WORD_F(adr, src)
-	res = DREGu16((Opcode >> 9) & 7);
-	if (((s32)res < 0) || (res > src))
+	READSX_WORD_F(adr, src)
+	res = DREGs16((Opcode >> 9) & 7);
+	if ((res < 0) || (res > src))
 	{
 		flag_N = res >> 8;
 		SET_PC(execute_exception(M68K_CHK_EX, GET_PC, GET_SR));
@@ -19720,15 +19725,15 @@ RET(22)
 // CHK
 OPCODE(0x41BA)
 {
-	u32 adr, res;
-	u32 src, dst;
+	s32 src, res;
+	u32 adr;
 
 	adr = GET_SWORD + GET_PC;
 	PC++;
 	PRE_IO
-	READ_WORD_F(adr, src)
-	res = DREGu16((Opcode >> 9) & 7);
-	if (((s32)res < 0) || (res > src))
+	READSX_WORD_F(adr, src)
+	res = DREGs16((Opcode >> 9) & 7);
+	if ((res < 0) || (res > src))
 	{
 		flag_N = res >> 8;
 		SET_PC(execute_exception(M68K_CHK_EX, GET_PC, GET_SR));
@@ -19740,15 +19745,15 @@ RET(18)
 // CHK
 OPCODE(0x41BB)
 {
-	u32 adr, res;
-	u32 src, dst;
+	s32 src, res;
+	u32 adr;
 
 	adr = GET_PC;
 	DECODE_EXT_WORD
 	PRE_IO
-	READ_WORD_F(adr, src)
-	res = DREGu16((Opcode >> 9) & 7);
-	if (((s32)res < 0) || (res > src))
+	READSX_WORD_F(adr, src)
+	res = DREGs16((Opcode >> 9) & 7);
+	if ((res < 0) || (res > src))
 	{
 		flag_N = res >> 8;
 		SET_PC(execute_exception(M68K_CHK_EX, GET_PC, GET_SR));
@@ -19760,12 +19765,12 @@ RET(20)
 // CHK
 OPCODE(0x41BC)
 {
-	u32 adr, res;
-	u32 src, dst;
+	s32 src, res;
+	u32 adr;
 
-	FETCH_WORD(src);
-	res = DREGu16((Opcode >> 9) & 7);
-	if (((s32)res < 0) || (res > src))
+	FETCH_SWORD(src);
+	res = DREGs16((Opcode >> 9) & 7);
+	if ((res < 0) || (res > src))
 	{
 		flag_N = res >> 8;
 		SET_PC(execute_exception(M68K_CHK_EX, GET_PC, GET_SR));
@@ -19777,15 +19782,15 @@ RET(14)
 // CHK
 OPCODE(0x419F)
 {
-	u32 adr, res;
-	u32 src, dst;
+	s32 src, res;
+	u32 adr;
 
 	adr = AREG(7);
 	AREG(7) += 2;
 	PRE_IO
-	READ_WORD_F(adr, src)
-	res = DREGu16((Opcode >> 9) & 7);
-	if (((s32)res < 0) || (res > src))
+	READSX_WORD_F(adr, src)
+	res = DREGs16((Opcode >> 9) & 7);
+	if ((res < 0) || (res > src))
 	{
 		flag_N = res >> 8;
 		SET_PC(execute_exception(M68K_CHK_EX, GET_PC, GET_SR));
@@ -19797,15 +19802,15 @@ RET(14)
 // CHK
 OPCODE(0x41A7)
 {
-	u32 adr, res;
-	u32 src, dst;
+	s32 src, res;
+	u32 adr;
 
 	adr = AREG(7) - 2;
 	AREG(7) = adr;
 	PRE_IO
-	READ_WORD_F(adr, src)
-	res = DREGu16((Opcode >> 9) & 7);
-	if (((s32)res < 0) || (res > src))
+	READSX_WORD_F(adr, src)
+	res = DREGs16((Opcode >> 9) & 7);
+	if ((res < 0) || (res > src))
 	{
 		flag_N = res >> 8;
 		SET_PC(execute_exception(M68K_CHK_EX, GET_PC, GET_SR));
@@ -23298,6 +23303,8 @@ OPCODE(0x51C8)
 	u32 adr, res;
 	u32 src, dst;
 
+	NOT_POLLING
+
 	res = DREGu16((Opcode >> 0) & 7);
 	res--;
 	DREGu16((Opcode >> 0) & 7) = res;
@@ -23321,6 +23328,8 @@ OPCODE(0x52C8)
 	u32 adr, res;
 	u32 src, dst;
 
+	NOT_POLLING
+
 	if ((!flag_NotZ) || (flag_C & 0x100))
 	{
 	res = DREGu16((Opcode >> 0) & 7);
@@ -23352,6 +23361,8 @@ OPCODE(0x53C8)
 	u32 adr, res;
 	u32 src, dst;
 
+	NOT_POLLING
+
 	if (flag_NotZ && (!(flag_C & 0x100)))
 	{
 	res = DREGu16((Opcode >> 0) & 7);
@@ -23383,6 +23394,8 @@ OPCODE(0x54C8)
 	u32 adr, res;
 	u32 src, dst;
 
+	NOT_POLLING
+
 	if (flag_C & 0x100)
 	{
 	res = DREGu16((Opcode >> 0) & 7);
@@ -23414,6 +23427,8 @@ OPCODE(0x55C8)
 	u32 adr, res;
 	u32 src, dst;
 
+	NOT_POLLING
+
 	if (!(flag_C & 0x100))
 	{
 	res = DREGu16((Opcode >> 0) & 7);
@@ -23445,6 +23460,8 @@ OPCODE(0x56C8)
 	u32 adr, res;
 	u32 src, dst;
 
+	NOT_POLLING
+
 	if (!flag_NotZ)
 	{
 	res = DREGu16((Opcode >> 0) & 7);
@@ -23476,6 +23493,8 @@ OPCODE(0x57C8)
 	u32 adr, res;
 	u32 src, dst;
 
+	NOT_POLLING
+
 	if (flag_NotZ)
 	{
 	res = DREGu16((Opcode >> 0) & 7);
@@ -23507,6 +23526,8 @@ OPCODE(0x58C8)
 	u32 adr, res;
 	u32 src, dst;
 
+	NOT_POLLING
+
 	if (flag_V & 0x80)
 	{
 	res = DREGu16((Opcode >> 0) & 7);
@@ -23538,6 +23559,8 @@ OPCODE(0x59C8)
 	u32 adr, res;
 	u32 src, dst;
 
+	NOT_POLLING
+
 	if (!(flag_V & 0x80))
 	{
 	res = DREGu16((Opcode >> 0) & 7);
@@ -23569,6 +23592,8 @@ OPCODE(0x5AC8)
 	u32 adr, res;
 	u32 src, dst;
 
+	NOT_POLLING
+
 	if (flag_N & 0x80)
 	{
 	res = DREGu16((Opcode >> 0) & 7);
@@ -23600,6 +23625,8 @@ OPCODE(0x5BC8)
 	u32 adr, res;
 	u32 src, dst;
 
+	NOT_POLLING
+
 	if (!(flag_N & 0x80))
 	{
 	res = DREGu16((Opcode >> 0) & 7);
@@ -23631,6 +23658,8 @@ OPCODE(0x5CC8)
 	u32 adr, res;
 	u32 src, dst;
 
+	NOT_POLLING
+
 	if ((flag_N ^ flag_V) & 0x80)
 	{
 	res = DREGu16((Opcode >> 0) & 7);
@@ -23662,6 +23691,8 @@ OPCODE(0x5DC8)
 	u32 adr, res;
 	u32 src, dst;
 
+	NOT_POLLING
+
 	if (!((flag_N ^ flag_V) & 0x80))
 	{
 	res = DREGu16((Opcode >> 0) & 7);
@@ -23693,6 +23724,8 @@ OPCODE(0x5EC8)
 	u32 adr, res;
 	u32 src, dst;
 
+	NOT_POLLING
+
 	if ((!flag_NotZ) || ((flag_N ^ flag_V) & 0x80))
 	{
 	res = DREGu16((Opcode >> 0) & 7);
@@ -23724,6 +23757,8 @@ OPCODE(0x5FC8)
 	u32 adr, res;
 	u32 src, dst;
 
+	NOT_POLLING
+
 	if (flag_NotZ && (!((flag_N ^ flag_V) & 0x80)))
 	{
 	res = DREGu16((Opcode >> 0) & 7);
@@ -40012,20 +40047,18 @@ RET(8)
 }
 
 
+extern int SekIsIdleReady(void);
 extern int SekIsIdleCode(unsigned short *dst, int bytes);
 extern int SekRegisterIdlePatch(unsigned int pc, int oldop, int newop, void *ctx);
 
 OPCODE(idle_detector_bcc8)
 {
-	extern int idledet_start_frame;
-	extern char Pico[];
 	int frame_count, cond_true, bytes, ret, newop;
 	u16 *dest_pc;
 
 	dest_pc = PC + (((s8)(Opcode & 0xFE)) >> 1);
 
-	frame_count = *(int *)(Pico+0x22208+0x1c); // Pico.m.frame_count
-	if (frame_count < idledet_start_frame)
+	if (!SekIsIdleReady())
 		goto end;
 
 	bytes = 0 - (s8)(Opcode & 0xFE) - 2;