65c816: signal improvements

We now correctly call the vector for the signal and process it. We return to the
correct recovery code, and then fail to recover correctly.

diff --git a/Kernel/lowlevel-65c816.s b/Kernel/lowlevel-65c816.s
index a053f2a..286d4e5 100644 (file)
--- a/Kernel/lowlevel-65c816.s
+++ b/Kernel/lowlevel-65c816.s
@@ -736,7 +736,8 @@ signal_exit:
        pea     sigret_irq-1    ; signal return
        sep     #$10
        .i8
-       phy                     ; signal code
+       ldy     tmp1            ; signal code
+       phy
        tya
        asl a
        tay
@@ -749,19 +750,26 @@ signal_exit:
        phx
        sep     #$20
        .a8
-       lda     U_DATA__U_PAGE
+       lda     U_DATA__U_PAGE          ; bank
        pha
+       pha
+       plb                             ; set the data bank to the caller
        rep     #$30
        .a16 
        .i16
-       ldx     #0
-       txy
-       pea     PROGLOAD+20-1
-       sep     #$30
-       .i8
+       ldx     PROGLOAD+20             ; from the user data bank
+       phx                             ; vector
+       sep     #$20
        .a8
-       lda     #$30            ; i8a8
+       lda     #$30                    ; i8a8 status
        pha
+       rep     #$30
+       .a16
+       .i16
+       ; Clear registers
+       ldx     #0
+       txy
+       txa
        rti
 
 ;