Fix FPU reporting, fixes #5033.

2024-12-14 00:59:52 +01:00
parent e2866a2909
commit 11b588c6bb
5 changed files with 17 additions and 28 deletions
--- a/src/cpu/x87.c
+++ b/src/cpu/x87.c
@@ -355,7 +355,10 @@ FPU_exception(uint32_t fetchdat, uint16_t exceptions, int store)
                nmi = 1;
            }
 #else
-            picint(1 << 13);
+           if (is486 && (cr0 & 0x20))
+               x86_int(16);
+            else
+                picint(1 << 13);
 #endif // FPU_8087
        }
        return unmasked;