Autostart.

src/main.asm

@@ -59,24 +59,36 @@ coldstart SUBROUTINE
     ldy #>message
     jsr $cb1e       ; print null terminated string
 
+    ; install fake chrin to hijack custom commands
+    sei
+    lda #<fake_chrin
+    sta $324
+    lda #>fake_chrin
+    sta $325
+    cli
+
     jmp $c483 ; BASIC
 
 fake_input_line:
-    BYTE "RUN", #$0d
+    BYTE "RUN",#$0d,#0,#0,#0
 
 fake_chrin SUBROUTINE
     ldy fake_current_byte
     lda fake_input_line,y
     iny
     sty fake_current_byte
-    cpy #4
+    cpy #5
     bne .end_fake_chrin
-    sei
-    lda #$f2
-    sta $324
-    lda #$0e
-    sta $325
-    cli
+    dey
+    sty fake_current_byte
+
+    ; sei
+    ; lda #$f2
+    ; sta $324
+    ; lda #$0e
+    ; sta $325
+    ; cli
+
 .end_fake_chrin:
     clc
     rts
@@ -152,11 +164,15 @@ copyloop:
     rts
 
 message:
-    BYTE #$0d,#$0d,"TYPE 'RUN'",#$0d,"THEN WAIT 20 SEC",#$0d,#$0d,#0
+    BYTE #$0d,#$0d,"PLEASE WAIT 20 SEC",#$0d,"I'M JUST",#$0d,"AN OLD COMPUTER",#$0d,#0
 
+; https://www.commodore.ca/manuals/funet/cbm/vic20/demos.basic/unexpanded/Stillenacht.prg
 basicdemo:
     .incbin "res/stillenacht.raw"
 demoend:
 
+. = $bffc
+    jmp coldstart
+
 . = $bfff
     BYTE #$ff