* Boot executable file loader coded by Fox/Taquart * Standard loader - ROM and interrupts enabled. opt h- org $780 bufr equ $700 tp equ $43 vc equ $44 * Boot header boot equ * rts rts dta b(1),a(boot,$e477) * Print text txtpos equ 215 ldy #txtpos print mva text-txtpos,y ($58),y+ cpy #txtpos+txtlen bcc print * Init run vector mwa #rts $2e0 mva >bufr $305 mvy #$ff ^31 dey #$fe * Load header lhead mwa #rts $2e2 ldx <-5 * Store byte of header hput sta vc+4,x+ stx tp jmp get next inw vc get iny bpl getx inw $30a jsr $e453 sec bmi rts ldy #0 getx lda bufr,y ldx tp bne hput sta (vc,x) lda vc cmp vc+2 bne next lda vc+1 cmp vc+3 bne next endseq tya pha jsr init pla tay bpl lhead ! init jmp ($2e2) text dta d'Loading... ' txtlen equ *-text * This will be added at the end of loaded file opt h+ org endseq jmp ($2e0) end