FPU: Properly implement INT 10h FPU exception, fixes #5162.

2025-01-19 09:06:39 +01:00
parent 5e12d46f32
commit 40fd79aeb9
10 changed files with 55 additions and 15 deletions
--- a/src/cpu/x87.c
+++ b/src/cpu/x87.c
@@ -355,10 +355,10 @@ FPU_exception(uint32_t fetchdat, uint16_t exceptions, int store)
                nmi = 1;
            }
 #else
-           if (is486 && (cr0 & 0x20))
-               x86_int(16);
-            else
-                picint(1 << 13);
+           if (cr0 & 0x20)
+               new_ne = 1;
+           else
+               picint(1 << 13);
 #endif // FPU_8087
        }
        return unmasked;