More touchscreen tuning. Screen memory increase crash fixed.

15faf754 · Kevin Bracey · 14f111bc · 15faf754
Commit 15faf754 authored 24 years ago by Kevin Bracey
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s/ARM600 s/ARM600 +3 -0

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--- a/s/ARM600
+++ b/s/ARM600
@@ -297,7 +297,10 @@ BangCam ROUT
        ADD     r6, r6, r4, LSR #12     ; put back the ones which were too many
        ADD     r0, r0, r6, LSL #12     ; move on address by the number of pages left
 BangCamAltEntry
+        LDR     r4, =DuffEntry          ; check for requests to map a page to nowhere
        ADR     r1, PPLTrans
+        TEQ     r4, r3                  ; don't actually map anything to nowhere
+        MOVEQ   pc, lr
        AND     r4, r11, #3             ; first use PPL bits
        LDR     r1, [r1, r4, LSL #2]    ; get PPL bits and SmallPage indicator