startup fixes

c64/kernal/reset_entry.s

@@ -11,26 +11,36 @@ reset_entry:
 	txs
 	sei
 
+	; The following routine is based on reading the public KERNAL jumptable routine
+	; list, and making unimaginative assumptions about what should be done on reset.
+
+	; According to example here: https://codebase64.org/doku.php?id=base:assembling_your_own_cart_rom_image
+	; the cartridge does not call RAMTAS - despite it's obviously required. So, call RAMTAS
+	; before the cartridge check/takeover
+
+	; Setting up the screen and testing ram is obviously required
+	; also affirmed by p269 of c64 prg
+	jsr RAMTAS
+
 	; C64 PRG p269
 	jsr cartridge_check
 	bcc +
 	jmp (ICART_COLD_START)
 *
-	; The following routine is based on reading the public KERNAL jumptable routine
-	; list, and making unimaginative assumptions about what should be done on reset.
-	; Initialising IO is obviously required.  also indicated by c64 prg p269.
-	jsr ioinit
-	; Setting up the screen and testing ram is obviously required
-	; also affirmed by p269 of c64 prg
-	jsr ramtas
+	; Initialising IO is obviously required. Also indicated by c64 prg p269.
+	; Has to be after ther RAMTAS, as it clears memory, including the PAL/NTSC flag,
+	; which is set by IOINIT
+	jsr IOINIT
+	
 	; Resetting IO vectors is obviously required, if we want interrupts to run
 	; also affirmed by c64 prg p269
-	jsr restor
+	jsr RESTOR
+
 	;;  "Compute's Mapping the 64" p236
-	jsr cint
+	jsr CINT
 
 	; What do we do when finished?  A C64 jumps into the BASIC ROM
 	cli 			; Allow interrupts to happen
 
 	; c64 prg p269
-	jmp ($a000)
+	jmp (IBASIC_COLD_START)