Use vectors for irq and nmi

2023-11-21 18:53:17 -08:00
parent 1714a1e6da
commit 102c4dfe8a
6 changed files with 254 additions and 325 deletions
--- a/sw/kernel/interrupts/interrupt.h
+++ b/sw/kernel/interrupts/interrupt.h
@@ -6,9 +6,6 @@
 #define BUTTON  (1 << 0)
 #define UART    (1 << 1)

-void irq_int();
-void nmi_int();
-
 void register_irq(void* addr, uint8_t irqn);

 uint8_t irq_get_status();
--- a/sw/kernel/interrupts/interrupt.s
+++ b/sw/kernel/interrupts/interrupt.s
@@ -4,7 +4,7 @@

 .import _enable_irq

-.export   _irq_int, _nmi_int
+.export   irq_int, nmi_int
 .export _register_irq

 IRQ_CMD_ADDR    = $effc
@@ -12,13 +12,14 @@ IRQ_DAT_ADDR    = $effd

 IRQ_CMD_READIRQ = $00

-.proc _nmi_int
+
+.proc nmi_int
 rti
 .endproc


-; _irq_int
-.proc _irq_int
+; irq_int
+.proc irq_int
    ; Load IRQ number
    lda #IRQ_CMD_READIRQ
    sta IRQ_CMD_ADDR