1 ; The following symbol is used by linker config to force the module 2 ; to get included into the output file 3 .export __STARTUP__: absolute = 1 4 5 .import Start, IRQStub, NMIStub 6 7 8 .segment "STARTUP" 9 10 .word 0 ; +00 checksum from 7000-7fff (simple 8bit adds) 11 .byte 1, 0, 1 ; +02 flags 12 .byte "COPYRIGHT BIT CORPORATION", 0, $ff ; +05 copyright 13 ; system vectors 14 jmp Start ; +20 reset entry 15 jmp NMIStub ; +23 nmi entry 16 jmp IRQStub ; +26 irq entry (135 hz) 17