APPENDIX TWELVE Entry Handler or Use 49890/C2E2 Process countdown timer 2 expiration 49749/C255 Decrement countdown timer 49778/C272 Set VBLANK parameters 49802/C28A Process deferred VBLANK NMI 49808/C290 Perform warm start 49834/C2AA Process RESET 49864/C2C8 Perform cold start 49866/C2CA Preset memory (cold and warm start continuation) 50217/C429 Initialize cartridge software 50220/C42C Process ACMI interrupt 50237/C43D BOOT ERROR message 50248/C448 Screen editor specification (E:) 50251/C44B Table of interrupt handler vectors (same or- der as RAM vectors at 512-549 ($200-$225) 50289/C471 Miscellaneous initialization routines: OP- TION key status checked at 50330 ($C49A); BASIC enabled at 50337 ($C4A1) 50394/C4DA Hardware initialization 50485/C535 Software and RAM variable initialization 50571/C58B Attempt disk boot 50619/C5BB Boot and initialize disk 50633/C5C9 Complete boot and initialize 50729/C629 Execute boot loader 50747/C63B Initialize booted software 50750/C63E Display BOOT ERROR message 50777/C659 Get next sector routine 50798/C66E Attempt cassette boot 50851/C6A3 Initialize DIO (disk I/O) 50867/C6B3 Disk I/O (DIO) 51002/C73A Set buffer address 51013/C745 Relocate relocatable routine to new address 51093/C795 Handle end record type 51l5l/C7CF Get byte 51154/C7D2 Execute run at address 51157/C7D5 Handle text record 51281/C851 Relocate text into memory 51309/C86D Handle word reference record type 51346/C892 Handle low-byte and one-byte record type 51452/C8FC Select and execute self-test 51468/C90C Initialize generic parallel device 51507/C933 PIO--parallel device I/O; PIO vector tables (see 58368, $E400) begin at 51601 ($C991) 51631/C9AF Select next parallel device