IBM 600 User Manual

   

 

Return Code

- Error status

Auxiliary Return Code - Reserved
Parameter 1

- Bits 15-8 : Reserved

Bits 7-  : Capability of display device function
Bit   - Display function type

=   : Not support
= 1 : Support

Bits 7-1 : Reserved

Parameter 2

- Bits 15-8 Display current status

Bit   - Built-in display (panel) status

=   : Disable
= 1 : Enable

Bit 1 - External CRT status

=   : Disable
= 1 : Enable

Bit 2 - TV status

=   : Disable
= 1 : Enable

Bits 6-3 : Reserved
Bit 7 - Dual enable flag

=   : Disable
= 1 : Enable

Bits 7-  : Display function type

= 

h : No TV-out model

=  1h : Not support model for simultaneous

display of TV and CRT

Parameter 3

- Reserved

Parameter 4

- When parameter 2 (bits 7- ) is  1h:

Bits 31-16 : Reserved
Bits 15-  : Display selection mode
Bit   - Display selection mode

=   : LCD - CRT selection mode
= 1 : LCD - TV selection mode

Bits 7-1 : Reserved

Parameter 5

- Reserved