Section 5. System Bios - IBM 5170 Technical Reference

SECTION 5. SYSTEM BIOS
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Contents
System BIOS ......•.•••.....................••.. 5-3
System BIOS Usage ............................. 5-3
Parameter Passing ........................... 5-4
Vectors with Special Meanings ................. 5-6
Other Read/Write Memory Usage .............. 5-8
BIOS Programming Hints .................... 5-10
Adapters with System-Accessible ROM Modules .. 5-11
System Board Additional ROM Modules ......... 5-12
Keyboard Encoding and Usage ................... 5-12
Encoding ................................. 5-12
Character Codes ........................... 5-13
Extended Codes .............................. 5-17
Extended Functions ......................... 5-17
Special Handling ........................... 5-21
System BIOS 5-1