IBM 770 ユーザーズマニュアル

   

 

Return Code

- Error status

Auxiliary Return Code - Reserved
Parameter 1

- Bits 15-8 : Reserved

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

= ð : Not support
= 1 : Support

Bits 7-1 : Reserved

Parameter 2

- Bits 15-8 Display current status

Bit ð - Built-in display (panel) status

= ð : Disable
= 1 : Enable

Bit 1 - External CRT status

= ð : Disable
= 1 : Enable

Bit 2 - TV status

= ð : Disable
= 1 : Enable

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

= ð : Disable
= 1 : Enable

Bits 7-ð : Display function type

= ððh : No TV-out model
= ð1h : Not support model for simultaneous

display of TV and CRT

Parameter 3

- Reserved

Parameter 4

- When parameter 2 (bits 7-ð) is ð1h:

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

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

Bits 7-1 : Reserved

Parameter 5

- Reserved