DMA ports 81h and 82h workaround for proper CPU speed detection on the MegaPC BIOS and limited the MegaPC CPU speeds to >= 16 MHz and <= 25 MHz.

2024-02-02 17:52:00 +01:00
parent 285accae5b
commit 9e7fc6a60d
2 changed files with 40 additions and 10 deletions
--- a/src/machine/machine_table.c
+++ b/src/machine/machine_table.c
@@ -4628,8 +4628,8 @@ const machine_t machines[] = {
        .cpu = {
            .package = CPU_PKG_386SX,
            .block = CPU_BLOCK_NONE,
-            .min_bus = 0,
-            .max_bus = 0,
+            .min_bus = 16000000,
+            .max_bus = 25000000,
            .min_voltage = 0,
            .max_voltage = 0,
            .min_multi = 0,