shithub: sms

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Set flags X and Z properly in ed52

--- a/sms.c

+++ b/sms.c

@@ -136,7 +136,7 @@

 void

 retro_set_audio_sample_batch(retro_audio_sample_batch_t cb)

 {

-    audio_cb = cb;

+	audio_cb = cb;

 }

 void

--- a/z80.c

+++ b/z80.c

@@ -295,6 +295,8 @@

 		s[rF] |= FLAGS;

 	if(((HL() ^ u) & (HL() ^ v) & 0x8000) != 0)

 		s[rF] |= FLAGV;

+	if ((v & 0x08) != 0) s[rF] |= FLAGX; else s[rF] &= ~FLAGX;

+	if ((v & 0x20) != 0) s[rF] |= FLAGY; else s[rF] &= ~FLAGY;

 	s[rL] = v;

 	s[rH] = v >> 8;

 }

@@ -527,14 +529,8 @@

 			s[rF] |= FLAGS;

 		if(!parity(s[rA]))

 			s[rF] |= FLAGV;

-		if ((s[rA] & 0x08) != 0)

-			s[rF] |= FLAGX;

-		else

-			s[rF] &= ~FLAGX;

-		if ((s[rA] & 0x20) != 0)

-			s[rF] |= FLAGY;

-		else

-			s[rF] &= ~FLAGY;

+		if ((s[rA] & 0x08) != 0) s[rF] |= FLAGX; else s[rF] &= ~FLAGX;

+		if ((s[rA] & 0x20) != 0) s[rF] |= FLAGY; else s[rF] &= ~FLAGY;

 		return 12;

 	case 0x61: z80out(s[rC], s[rH]); return 12;

 	case 0x69: z80out(s[rC], s[rL]); return 12;

-- 

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