Summary of BIOS Calling Sequences
Following in Figure B.0 is a summary of what has been
described in section 4.3.
Processor-specific protocols for
certain machines are provided in Appendix C.
All calls to BIOS
return a completion code.
Entry Point | Parameters |
CONSOLEREAD |
single data byte
|
CONSOLEWRITE |
single data byte
|
CONSOLEINIT |
UIR pointer
|
PRINTERREAD |
single data byte
|
PRINTERWRITE |
single data byte
|
PRINTERINIT |
UIR pointer
|
DISKREAD |
block no.
byte count
data area address
drive no.
CONTROL word
|
DISKWRITE |
block no.
byte count
data area address
drive no.
CONTROL word
|
DISKINIT |
drive no.
UIR pointer
|
REMOTEREAD |
single data byte
|
REMOTEWRITE |
single data byte
|
REMOTEINIT |
UIR pointer
|
|
MEMSIZE |
Address of last RAM word
|
SYSHALT |
(none)
|
CLOCKSTART
(none)
|
This page last regenerated Sun Jul 25 04:12:13 2010.