Initial submission of the PCem-Experimental source code.

2016-06-26 00:34:39 +02:00
parent 09d7c4384f
commit fd2a5bc9f5
610 changed files with 184352 additions and 0 deletions
--- a/src/ppi.c
+++ b/src/ppi.c
@@ -0,0 +1,19 @@
+/*IBM 5150 cassette nonsense
+  Calls F979 twice
+  Expects CX to be nonzero, BX >$410 and <$540
+    CX is loops between bit 4 of $62 changing
+    BX is timer difference between calls
+  */
+
+#include "ibm.h"
+#include "pit.h"
+
+#include "plat-keyboard.h"
+#include "plat-mouse.h"
+
+void ppi_reset()
+{
+        ppi.pa=0x0;//0x1D;
+        ppi.pb=0x40;
+}
+