IBM 770 ユーザーズマニュアル

   

 

Major Function Number - 1ð
Minor Function Number - ð1
Parameter 1

- Request display 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 5-3 : Reserved
Bit 6 - Monitor detection ignore

= ð : Do not ignore
= 1 : Ignore

Bit 7 - Dual enable flag

= ð : Disable
= 1 : Enable

Parameter 2

- Reserved

Parameter 3

- Reserved

Parameter 4

- When parameter 2 (bits 7-ð) is ð1h in return

of “Get Display Device State”:
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

Return Code

- Error status

Auxiliary Return Code - Reserved
Parameter 1

- Reserved

Parameter 2

- Reserved

Parameter 3

- Reserved

Parameter 4

- Reserved

Parameter 5

- Reserved