X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=cpu%2Fsh2%2Fmame%2Fsh2pico.c;h=636ebc6f4289de3af1094b5d4437c9c36a81e389;hb=e9a11abb3c8237286fd7b6c4b5048d9eec9b1a1b;hp=a3ad9f4796fdd533da6993fe6523366270e5392a;hpb=0185b677364b849e1e11f523d9f025d90ce86770;p=picodrive.git

diff --git a/cpu/sh2/mame/sh2pico.c b/cpu/sh2/mame/sh2pico.c
index a3ad9f4..636ebc6 100644
--- a/cpu/sh2/mame/sh2pico.c
+++ b/cpu/sh2/mame/sh2pico.c
@@ -21,7 +21,7 @@ typedef unsigned char  UINT8;
 
 // this nasty conversion is needed for drc-expecting memhandlers
 #define MAKE_READFUNC(name, cname) \
-static inline unsigned int name(SH2 *sh2, unsigned int a) \
+static __inline unsigned int name(SH2 *sh2, unsigned int a) \
 { \
 	unsigned int ret; \
 	sh2->sr |= sh2->icount << 12; \
@@ -32,7 +32,7 @@ static inline unsigned int name(SH2 *sh2, unsigned int a) \
 }
 
 #define MAKE_WRITEFUNC(name, cname) \
-static inline void name(SH2 *sh2, unsigned int a, unsigned int d) \
+static __inline void name(SH2 *sh2, unsigned int a, unsigned int d) \
 { \
 	sh2->sr |= sh2->icount << 12; \
 	cname(a, d, sh2); \
@@ -122,6 +122,18 @@ int sh2_execute_interpreter(SH2 *sh2, int cycles)
 		{
 			sh2->ppc = sh2->delay;
 			opcode = RW(sh2, sh2->delay);
+
+			// TODO: more branch types
+			if ((opcode >> 13) == 5) { // BRA/BSR
+				sh2->r[15] -= 4;
+				WL(sh2, sh2->r[15], sh2->sr);
+				sh2->r[15] -= 4;
+				WL(sh2, sh2->r[15], sh2->pc);
+				sh2->pc = RL(sh2, sh2->vbr + 6 * 4);
+				sh2->icount -= 5;
+				opcode = 9; // NOP
+			}
+
 			sh2->pc -= 2;
 		}
 		else