Have a slightly nicer takeover scheme.

diff --git a/aseg/counter.c b/aseg/counter.c
index 73003da26c6890024b2e32d28266a194d51ec693..0ab5d4c6355efa6d9e4dadc51ccddd5231efa0b8 100644 (file)
--- a/aseg/counter.c
+++ b/aseg/counter.c
@@ -16,6 +16,7 @@ unsigned char vgasave;
 void pci_dump() {
        unsigned long cts;
        static int curdev = 0;  /* 0 if kbd, 1 if mouse */
+       static int takeover = 0;
                
        cts = inl(0x84C);
        
@@ -26,23 +27,35 @@ void pci_dump() {
        case 0x20000:
        {
                unsigned char b;
-               b = inb(cts & 0xFFFF);
-               //dologf("READ: %08x (%02x)", cts, b);
-               if ((cts & 0xFFFF) == 0x64)
-                       curdev = (b & 0x20) ? 1 : 0;
-
-               if ((curdev == 0) && ((cts & 0xFFFF) == 0x60))
+               
+               switch (cts & 0xFFFF)
                {
-                       /*  This is a keyboard read. */
-                       if (b == 0x01) {
-                               /* Reset. */
-                               outb(0xCF9, 0x4);
-                               return;
-                       }
-
-                       if (kbd_get_injected_scancode()) {
+               case 0x64:
+                       /* Read the real hardware and mask in our OBF if need be. */
+                       b = inb(0x64);
+                       if (kbd_has_injected_scancode())
+                       {
+                               takeover = 1;
+                               b |= 0x01;
+                               b &= ~0x20;     /* no mouse for you! */
+                               curdev = 0;
+                       } else 
+                               curdev = (b & 0x20) ? 1 : 0;
+                       *(unsigned char*)0xAFFD0 /* EAX */ = b;
+                       break;
+               case 0x60:
+                       if (takeover)
+                       {
                                b = kbd_get_injected_scancode();
+                               takeover = 0;
+                       } else
+                               b = inb(0x60);
+                       if ((curdev == 0) && (b == 0x01)) {     /* Escape */
+                               outb(0xCF9, 0x4);       /* Reboot */
+                               return;
                        }
+                       *(unsigned char*)0xAFFD0 /* EAX */ = b;
+                       break;
                }
 
                *(unsigned char*)0xAFFD0 /* EAX */ = b;