3E,01,D3,FF,07,18,F5 ORG 50,000 ld hl,22528 ld (hl),0 ret poke 16128,48 3f00 LD HL,3F00 = 21,00,3F LD (HL),30 = 36,30 JMP 0000 ( C3,00,00 ) 21,00,3F 36,30 C3,00,00 STUART 53 54 55 41 52 54 3C00 TOP LEFT 3FFF BOTTOM RIGHT 3FFA LD BC,1234 = 01,34,12 JP NX,1234 = C2 LD HL,3C00 21,00,3C LD B,255 06,FF LD BC,1234 01,34,12 LD (HL),55 36,55 INC HL 23 LD (HL),55 36,55 INC HL 23 DEC BC 0B LD A,B 78 OR C B1 JP NZ,XX C2,06,00