; https://cpcrulez.fr/ ; TEST         DI              LD B,#F4              OUT (c),a              LD B,#F6              lN A,(C)              AND #30              LD C,A              OR #C0              OUT (C),A              OUT (C),C              INC B              LD A,#92              OUT (C),A              PUSH BC              SET 6,C              LD B,#F6              OUT (C),C              LD B,#F4              IN A,(C)              POP BC              PUSH AF              LD A,#82              OUT (C),A              DEC B              OUT (C),C              POP AF              EI              RET