Note: This API calls are shared between DOS and Win16 personality.

DOSSHELL is a stripped down version of 16-bit Windows. Some APIs shared and same. DOSSHELL uses older version of API, but Win16 has more advanced APIs.

InquireGrab

Brief

Inquire grab buffer size

Entry

DS=CS

AX - function number

1 - Inquire text grab buffer size

2 - Inquire graphics grab buffer size

For HP Windows 1.03 and higher

0FFF4h - EndPaint

0FFF5h - BeginPaint

0FFF6h - MarkBlock

0FFF7h - PutBlock

0FFF8h - GetBlock

For Windows 2.0x and higher

0FFF9h - RealizeColor

0FFFAh - GetVersion

0FFFBh - DisableSave

0FFFCh - EnableSave

0FFFDh - SetSwapDrive

0FFFEh - GetInfo

0FFFFh - GetID

Return

DX:AX = size in bytes for grab buffer

Note

This entry optional for DOSSHELL