Fairbanks FB3000 II Operators Manual - Manual (Page 46)

02/10 46 51220 Rev. 1
Appendix I: GPIO Port
Programming the GPIO Port
The FB3000 II provides an 8-bit GPI port and an 8-bit GPO port that you can use to
read and write data through.
Reading the GPIO Data
• 2e,87
• 2e,87
• 2e,2a //configuration register(CR2a)
• 2f,fc //set GPIO ,not GAME PORT
• 2e,07 //point to logical device number reg
• 2f,07 //select logical device 7
• 2e,30 //configuration register(CR30)
• 2f,1 //open logical device control
• 2e,f0 //configuration register(CRf0)
• 2f,FF // 1=input
• 2e,f1
• I 2f // read value (00 ~ FF)