ega plane reset on mode change

xrip · Dec 2, 2023 · f0a3e4b · f0a3e4b
1 parent 8c480b9
commit f0a3e4b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/cpu.c b/src/cpu.c
@@ -1217,6 +1217,7 @@ INLINE void intcall86(uint8_t intnum) {
                 //if (videomode >= 8) CPU_AL = 4;
 
                 // FIXME!!
+                    ega_plane = 0;
                     RAM[0x449] = CPU_AL;
                     RAM[0x44A] = (uint8_t)videomode <= 2 ? 40 : 80;
                     RAM[0x44B] = 0;