APPENDIX TWELVE



     Address        Routine
     59193/E739     Initialization
     59326/E7BE     Perform poll
     59358/E7DE     Load handler
     59414/E816     Get byte routine
     59443/E833     Get next load block
     59485/E85D     Search handler chain
     59540/E894     Handler warm start initialization
     59544/E898     Warm start initialization with chaining
     59550/E89E     Cold start initialization
     59584/E8C0     Initialize handler and update MEMLO
     59648/E900     Initialize handler
     59669/E915     Handler unlinking

59740          E95C           SIO
     The SIO section includes the following routines:

     Address        Routine
     59740/E95C     Initialization
     59761/E971     SIO main routine
     59946/EA2A     Complete SIO operation
     59959/EA37     Wait for completion or ACK
     60040/EA88     Send buffer to serial bus
     60077/EAAD     Process serial output ready IRQ
     60140/EAEC     Process serial output complete
     60157/EAFD     Receive
     60199/EB27     Indicate timeout
     60204/EB2C     Process serial input ready IRQ
     60295/EB87     Set buffer pointers
     60317/EB9D     Process cassette I/O
     60433/EC11     Timer expiration
     60439/EC17     Enable SIO send
     60480/EC40     Enable SIO receive
     60502/EC56     Set for send or receive
     60548/EC84     Disable send or receive
     60570/EC9A     Get device timeout
     60585/ECA9     Table of SIO interrupt handlers (six bytes)
     60591/ECAF     Send to intelligent device
     60608/ECC0     Set timer and wait
     60616/ECC8     Compute baud rate
     60718/ED2E     Adjust VCOUNT value
     60733/ED3D     Set initial baud rate
     60871/EDC7     Process BREAK key
     60898/EDE2     Set SIO VBLANK parameters