include vpicd.inc VxDcall VPICD_Get_Version mov byte ptr [Major], ah mov byte ptr [Minor], al mov [Flags], ebx mov [MaxIRQ], ecx
Retrieves the VPICD major and minor version numbers. Uses EAX, EBX, ECX, and Flags.
AH | Specifies the major version number for the virtual PIC device. |
AL | Specifies the minor version number for the virtual PIC device. |
EBX | Specifies the configuration flag for the PIC. The flag can be the following value: |
1 | System has a master/slave (PC/AT-type) configuration. If this value is not given, the system has a single PIC (PC/XT-type) configuration. All other values are reserved. |
ECX
Specifies the maximum IRQ supported. It is either 07h or 0Fh.