.long master_e11 /* NMI vector */
.long master_e12 /* User break vector */
.rept 19
- .long main_err /* reserved */
+ .long master_err /* reserved */
.endr
.rept 32
- .long main_err /* TRAPA #32-63 */
+ .long master_err /* TRAPA #32-63 */
.endr
- .long main_irq /* Level 1 IRQ */
- .long main_irq /* Level 2 & 3 IRQ's */
- .long main_irq /* Level 4 & 5 IRQ's */
- .long main_irq /* PWM interupt */
- .long main_irq /* Command interupt */
- .long main_irq /* H Blank interupt */
- .long main_irq /* V Blank interupt */
- .long main_irq /* Reset Button */
+ .long master_irq0 /* Level 1 IRQ */
+ .long master_irq1 /* Level 2 & 3 IRQ's */
+ .long master_irq2 /* Level 4 & 5 IRQ's */
+ .long master_irq3 /* PWM interupt */
+ .long master_irq4 /* Command interupt */
+ .long master_irq5 /* H Blank interupt */
+ .long master_irq6 /* V Blank interupt */
+ .long master_irq7 /* Reset Button */
.rept 56
- .long main_err /* peripherals */
+ .long master_err /* peripherals */
.endr
! Slave Vector Base Table at 0x06000200
.rept 32
.long slave_err /* TRAPA #32-63 */
.endr
- .long slave_irq /* Level 1 IRQ */
- .long slave_irq /* Level 2 & 3 IRQ's */
- .long slave_irq /* Level 4 & 5 IRQ's */
- .long slave_irq /* PWM interupt */
- .long slave_irq /* Command interupt */
- .long slave_irq /* H Blank interupt */
- .long slave_irq /* V Blank interupt */
- .long slave_irq /* Reset Button */
+ .long slave_irq0 /* Level 1 IRQ */
+ .long slave_irq1 /* Level 2 & 3 IRQ's */
+ .long slave_irq2 /* Level 4 & 5 IRQ's */
+ .long slave_irq3 /* PWM interupt */
+ .long slave_irq4 /* Command interupt */
+ .long slave_irq5 /* H Blank interupt */
+ .long slave_irq6 /* V Blank interupt */
+ .long slave_irq7 /* Reset Button */
.rept 56
.long slave_err /* peripherals */
.endr
jmp @r0
nop
-main_irq:
- mov.l r0, @-r15
+! r0=vector_number
+do_irq_master:
+ mov.b r0, @(0x2c, gbr)
mov.l r1, @-r15
mov.l l_irq_cnt, r1 /* counters in fb (0x2401ff00) */
.global _start
_start:
-main_err:
+master_err:
bra do_exc_master
mov #0xff, r0
slave_err:
bra do_exc_slave
mov #0xff, r0
-slave_irq:
- mov.l r0, @-r15
+! r0=vector_number
+do_irq_slave:
+ mov.b r0, @(0x2d, gbr)
mov.l r1, @-r15
mov.l l_irq_cnt, r1 /* counters in fb (0x2401ff00) */
bra do_irq_cmn
mov #\num, r0
.endm
+.macro irq_master num
+master_irq\num:
+ mov.l r0, @-r15
+ bra do_irq_master
+ mov #\num, r0
+.endm
+
+.macro irq_slave num
+slave_irq\num:
+ mov.l r0, @-r15
+ bra do_irq_slave
+ mov #\num, r0
+.endm
+
exc_master 4
exc_master 5
exc_master 6
exc_master 10
exc_master 11
exc_master 12
+irq_master 0
+irq_master 1
+irq_master 2
+irq_master 3
+irq_master 4
+irq_master 5
+irq_master 6
+irq_master 7
exc_slave 4
exc_slave 5
exc_slave 10
exc_slave 11
exc_slave 12
+irq_slave 0
+irq_slave 1
+irq_slave 2
+irq_slave 3
+irq_slave 4
+irq_slave 5
+irq_slave 6
+irq_slave 7
do_exc_master:
- mov.w r0, @(0x2c, gbr)
+ mov.b r0, @(0x2e, gbr)
0:
bra 0b
nop
do_exc_slave:
- mov.w r0, @(0x2e, gbr)
+ mov.b r0, @(0x2f, gbr)
0:
bra 0b
nop