o debug printf is working in asm

snes/irqtest/Makefile

@@ -27,7 +27,7 @@ optixx.inc: optixx.pcx
 	$(AS) -o $?  $@
 
 $(APP):  linkfile $(GFX) $(OBJS) $(GFX)
-	$(LD) -vr linkerfile.prj  $@
+	$(LD) -vri linkerfile.prj  $@
 
 clean:
 	rm -vf $(APP) *.prj *.o

snes/irqtest/debug.asm

@@ -1,30 +1,22 @@
+.define	debug_pointer			$0080 
 
 .MACRO printf
-    REP #$38	; mem/A = 16 bit, X/Y = 16 bit
+    ldy.w   #\1                 ; load add of the string
-    SEP #$20
+    sty.w   debug_pointer       ; store address in defined mem area
-    lda.w str_NMI
+    ldy     #0                  ; zero y
-    sta.w debug_pointer
+    jsr     do_printf           
-    ldy #0
-    jsr do_printf
-    REP #$30	; mem/A = 16 bit, X/Y = 16 bit
-    SEP #$20
-    
 .ENDM
 
 
-.define	debug_pointer			$0000 
-
 
 .BANK 0
-.ORG 0
 .SECTION "debug" SEMIFREE
 
-
 do_printf:
-	lda     (debug_pointer),y       ; get ascii text data
+    lda     (debug_pointer),y    ; get address of string
-	sta     $3000
+	sta     $3000               ; write to MMIO debug reg
 	iny
-	cpy     #5
+	cmp     #0                  ; len 5
 	bne     do_printf
     rts
 .ENDs

snes/irqtest/irqtest.asm

@@ -53,7 +53,14 @@ Start_do:
     lda  #67
     sta  $3000
     
-    printf
+    printf str_COP
+    
+    lda  #65
+    sta  $3000
+    lda  #66
+    sta  $3000
+    lda  #67
+    sta  $3000
     
 Infinity:
     jmp Infinity    ; bwa hahahahaha
@@ -93,15 +100,15 @@ SetupVideo:
 
 
 str_COP:
-    .db "COP\n"
+    .db "COP",10,0
 str_ABORT:
-    .db "ABORT\n"
+    .db "ABORT",10,0
 str_NMI:
-    .db "NMI\n"
+    .db "NMI",10,0
 str_RESET:
-    .db "RESET\n"
+    .db "RESET",10,0
 str_IRQBRK:
-    .db "IRQBRK\n"
+    .db "IRQBRK",10,0
 
 
 ;============================================================================