o add mmio to trigger cart irq

o add snes irq handlers
o add inline printf asm

snes/irqtest/debug.asm

@@ -1,22 +1,34 @@
-.define	debug_pointer			$0080 
+.define	debug_pointer			$080 
 
-.MACRO printf
-    ldy.w   #\1                 ; load add of the string
+.MACRO printdb
+    ldy.w   #\1                 ; load addr of the marco arg string
     sty.w   debug_pointer       ; store address in defined mem area
-    ldy     #0                  ; zero y
+    ldy     #0                  ; zero y index
     jsr     do_printf           
 .ENDM
 
 
+.MACRO prints
+
+    ldy.w   #++                ; load addr of the marco arg string
+    sty.w   debug_pointer       ; store address in defined mem area
+    ldy     #0                  ; zero y index
+    jsr     do_printf           
+    jmp     +++
+++:
+    .db     \1,10,0
++++:
+
+.ENDM
 
 .BANK 0
 .SECTION "debug" SEMIFREE
 
 do_printf:
-    lda     (debug_pointer),y    ; get address of string
-	sta     $3000               ; write to MMIO debug reg
-	iny
-	cmp     #0                  ; len 5
-	bne     do_printf
+    lda     (debug_pointer),y   ; get address of string via indirect mem area
+    sta     $3000               ; write to MMIO debug reg
+    iny                         ; inc index
+    cmp     #0                  ; look for null byte
+    bne     do_printf
     rts
 .ENDs

snes/irqtest/header.inc

@@ -34,19 +34,19 @@
 .ENDSNES
 
 .SNESNATIVEVECTOR               ; Define Native Mode interrupt vector table
-  COP EmptyHandler
-  BRK EmptyHandler
-  ABORT EmptyHandler
-  NMI EmptyHandler
-  IRQ EmptyHandler
+  COP       COPHandler
+  BRK       BRKHandler
+  ABORT     ABRTHandler
+  NMI       NMIHandler
+  IRQ       IRQHandler
 .ENDNATIVEVECTOR
 
 .SNESEMUVECTOR                  ; Define Emulation Mode interrupt vector table
-  COP EmptyHandler
-  ABORT EmptyHandler
-  NMI EmptyHandler
-  RESET Start
-  IRQBRK EmptyHandler
+  COP       EmptyHandler
+  ABORT     EmptyHandler
+  NMI       EmptyHandler
+  RESET     Start
+  IRQBRK    EmptyHandler
 .ENDEMUVECTOR
 
 .BANK 0 SLOT 0                  ; Defines the ROM bank and the slot it is inserted in memory.

snes/irqtest/irqtest.asm

@@ -45,23 +45,17 @@ Start_do:
    
     ; Setup Video modes and other stuff, then turn on the screen
     jsr SetupVideo
+
+    sei
+    cop
+    prints "Init done"
+    stz $3001
     
-    lda  #65
-    sta  $3000
-    lda  #66
-    sta  $3000
-    lda  #67
-    sta  $3000
-    
-    printf str_COP
-    
-    lda  #65
-    sta  $3000
-    lda  #66
-    sta  $3000
-    lda  #67
-    sta  $3000
+    cop
     
+    lda #$81
+    sta $4200
+
 Infinity:
     jmp Infinity    ; bwa hahahahaha
 
@@ -98,6 +92,28 @@ SetupVideo:
     plp
     rts
 
+;.ENDS
+
+;.SECTION "IRQHandlers" 
+
+COPHandler:
+    prints "COPHandler"
+    rti
+
+BRKHandler:
+    prints "BRKHandler"
+    rti
+ABRTHandler:
+    prints "ABRTHandler"
+    rti
+NMIHandler:
+    ;prints "NMIHandler"
+    rti
+
+IRQHandler:
+    prints "IRQHandler"
+    rti
+
 
 str_COP:
     .db "COP",10,0