R1 DS.B 1 R2 DS.B 1 MYDATA FCB "HELLO!" ORG ROMStart Entry: LDS #RAMEnd+1 BSET DDRB,#$FF LDX #MYDATA LDY #$4500 MOVB #3,R1 OVER MOVW 0,X,0,Y JSR F_WRT INX INX INY INY DEC R1 BNE OVER LDX #$4500 MOVB #6,R2 H1 LDAA 1,X+ STAA PORTB JSR DELAY DEC R2 BNE H1 HERE BRA HERE F_WRT LDAA #$20 STAA FCMD LDAA #$80 STAA FSTAT LDAA #$FF BRSET FSTAT,mFSTAT_PVIOL,OVER2 BRSET FSTAT,mFSTAT_ACCERR,OVER2 CLRA OVER2 RTS