begin implementing reset routine

c64/kernal/reset_entry.s

@@ -1 +1,24 @@
+; Resources describing the C64 reset sequence:
+; https://www.c64-wiki.com/wiki/Reset_(Process)
+
+
 reset_entry:
+	; The GPL program at https://github.com/Klaus2m5/6502_65C02_functional_tests/blob/master/6502_functional_test.a65
+	; uses the following initial reset sequence
+	cld
+	ldx #$ff
+	txs
+	sei
+
+
+	; The following routine is based on reading the public KERNAL jumptable routine
+	; list, and making unimaginative assumptions about what should be done on reset.
+	; Initialising IO is obviously required. 
+	jsr ioinit
+	; Setting up the screen is obviously required
+	jsr ramtas
+	; Resetting IO vectors is obviously required, if we want interrupts to run
+	jsr restor
+
+	; What do we do when finished?  A C64 jumps into the BASIC ROM
+	jmp ($a000)