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Final workings
[uccvend-snackrom.git]
/
ROM2
/
vectors.s
diff --git
a/ROM2/vectors.s
b/ROM2/vectors.s
index
abcfc97
..
f420128
100644
(file)
--- a/
ROM2/vectors.s
+++ b/
ROM2/vectors.s
@@
-27,6
+27,8
@@
Boston, MA 02111-1307, USA. */
.sect .text
.globl _start
.sect .text
.globl _start
+ .globl sci_interrupt
+ .globl uart_interrupt
;; Default interrupt handler.
.sect .text
;; Default interrupt handler.
.sect .text
@@
-36,6
+38,13
@@
def:
.globl _debug_user_vectors
_debug_user_vectors = 0
.globl _debug_user_vectors
_debug_user_vectors = 0
+
+;; RTI interrupt handler
+ .sect .text
+rti:
+ jsr chime
+ rti
+
;;
;; Interrupt vectors are in a specific section that is
;; mapped at 0xffc0.
;;
;; Interrupt vectors are in a specific section that is
;; mapped at 0xffc0.
@@
-65,8
+74,8
@@
vectors:
.word def ; ffde (TOI)
;; Timer Output Compare
.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
.word def ; ffe4
.word def ; ffe6
.word def ; ffe8
@@
-78,11
+87,11
@@
vectors:
;; Misc
.word rti ; fff0 (RTII)
;; Misc
.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 ; 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)
.word _start ; fffe (reset)
UCC
git Repository :: git.ucc.asn.au