From: Toni Wilen <twilen@winuae.net>
Date: Tue, 2 Jun 2015 17:06:16 +0000 (+0300)
Subject: 6888x NULL frame undocumented feature.
X-Git-Tag: 3100~9
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=434c1994d682c32735f8702dc1fbcb60d7afe8c7;p=francis%2Fwinuae.git

6888x NULL frame undocumented feature.
---

diff --git a/fpp.cpp b/fpp.cpp
index ff254d55..715570be 100644
--- a/fpp.cpp
+++ b/fpp.cpp
@@ -2159,8 +2159,9 @@ void fpuop_save (uae_u32 opcode)
 				ad -= frame_size;
 		}
 	} else { /* 68881/68882 */
-		int frame_size = regs.fpu_state == 0 ? 0 : currprefs.fpu_model == 68882 ? 0x3c : 0x1c;
-		uae_u32 frame_id = regs.fpu_state == 0 ? 0x18 << 16 : (fpu_version << 24) | ((frame_size - 4) << 16);
+		int frame_size_real = currprefs.fpu_model == 68882 ? 0x3c : 0x1c;;
+		int frame_size = regs.fpu_state == 0 ? 0 : frame_size_real;
+		uae_u32 frame_id = regs.fpu_state == 0 ? ((frame_size_real - 4) << 16) : (fpu_version << 24) | ((frame_size_real - 4) << 16);
 		
 		if (currprefs.mmu_model) {
 			if (incr < 0) {