====== MC-10 Extension Multiport Joystick Info ====== ===== Memory Mapped I/O Ports ===== Looking over the MC to the Extension Multiport plugged in behind: * The lefthand port is address $BF34 / 48948 * The righthand port is address $BF30 / 48944 ===== Joystick Decoding ===== The directions and button are all read from the same address for each port: * bit 0 of the port: 1=up * bit 1 of the port: 1=down * bit 2 of the port: 1=left * bit 3 of the port: 1=right * bit 4 of the port: 1=pressed ===== Test Code ===== 10 CLS 20 PRINT PEEK(48944) 30 PRINT PEEK(48948) 40 FOR I=1 TO 50:NEXT 50 GOTO 10 Thanks to MrDave for the port numbers! Return to [[:top]]