8080: fix up bugs in the fork and copiers

Task switching is still busted somewhere

diff --git a/Kernel/lib/8080fixedbank-core.s b/Kernel/lib/8080fixedbank-core.s
index bdff5b9..52db9f0 100644 (file)
--- a/Kernel/lib/8080fixedbank-core.s
+++ b/Kernel/lib/8080fixedbank-core.s
@@ -233,6 +233,7 @@ _dofork:
        !
        !       Frame pointer
        !
+       xchg                    ! return 0 in DE for child
        pop b
        ret
 

diff --git a/Kernel/lib/8080fixedbank.s b/Kernel/lib/8080fixedbank.s
index dfa57c0..63832f4 100644 (file)
--- a/Kernel/lib/8080fixedbank.s
+++ b/Kernel/lib/8080fixedbank.s
@@ -8,35 +8,35 @@
 copy512:
        mvi b,64
 copy8:
-       mov m,a
+       mov a,m
        stax d
        inx h
        inx d
-       mov m,a
+       mov a,m
        stax d
        inx h
        inx d
-       mov m,a
+       mov a,m
        stax d
        inx h
        inx d
-       mov m,a
+       mov a,m
        stax d
        inx h
        inx d
-       mov m,a
+       mov a,m
        stax d
        inx h
        inx d
-       mov m,a
+       mov a,m
        stax d
        inx h
        inx d
-       mov m,a
+       mov a,m
        stax d
        inx h
        inx d
-       mov m,a
+       mov a,m
        stax d
        inx h
        inx d