Bunch of silly errors & debugging stuff.

[uccvend-snackrom.git] / ROM2 / vectors.s

diff --git a/ROM2/vectors.s b/ROM2/vectors.s
index 14ae986..14612df 100644 (file)
--- a/ROM2/vectors.s
+++ b/ROM2/vectors.s
@@ -27,14 +27,25 @@ Boston, MA 02111-1307, USA.  */
 
        .sect .text
        .globl _start
+       .globl sci_interrupt
+       .globl uart_interrupt
 
 ;; Default interrupt handler.
        .sect .text
 def:
        rti
 
-       .globl _debug_user_vectors
-_debug_user_vectors = 0
+;;     .globl _debug_user_vectors
+;;_debug_user_vectors = 0
+
+
+;; RTI interrupt handler
+       .sect .text
+rti:
+       jsr chime
+       ldaa #0x40
+       staa 0x1025
+       rti
 
 ;; 
 ;; Interrupt vectors are in a specific section that is
@@ -56,7 +67,7 @@ vectors:
        .word def               ; ffd4
 
        ;; SCI
-       .word def               ; ffd6
+       .word sci_interrupt     ; ffd6
 
        ;; SPI
        .word def               ; ffd8
@@ -65,8 +76,8 @@ vectors:
        .word def               ; ffde (TOI)
 
        ;; Timer Output Compare
-       .word def               ; ffe0
-       .word def               ; ffe2
+       .word def               ; ffe0
+       .word def               ; ffe2
        .word def               ; ffe4
        .word def               ; ffe6
        .word def               ; ffe8
@@ -77,12 +88,13 @@ vectors:
        .word def               ; ffee
 
        ;;  Misc
+       ;.word def              ; fff0 (RTII) ; uncomment to disable the RTI & comment below
        .word rti               ; fff0 (RTII)
-       .word def       ; fff2 (IRQ)
+       .word uart_interrupt    ; fff2 (IRQ)
        .word def               ; fff4 (XIRQ)
        .word def               ; fff6 (SWI)
        .word def               ; fff8 (ILL)
-       .word def               ; fffa (COP Failure)
-       .word def               ; fffc (COP Clock monitor)
+       .word _start            ; fffa (COP Failure)
+       .word _start            ; fffc (COP Clock monitor)
        .word _start            ; fffe (reset)