# Undocumented Library

## Constants:

name: | value: | description:
--- | --- | ---
DL_BLANK8 | %01110000 | 8 blank lines
DL_DLI | %10000000 | Order to run DLI
DL_LMS | %01000000 | Order to set new memory address
DL_VSCROLL | %00100000 | Turn on vertical scroll on this line
DL_MODE_320x192G2 | $F |
DL_JVB | %01000001 | Jump to begining

## Interface:

name: | description:
--- | ---
Gr0Init | #### procedure Gr0Init(DListAddress: word; VRamAddress: word; lines: byte; pixelHeight:byte; blanks: byte); Turns on 0++ mode. ##### parameters: DListAddress - memory address of Display list VRamAddress - video memory address lines - number of horizontal lines (vertical resolution) pixelHeight - height of a pixel in scanlines (between 2 and 6) blanks - number of blanklines (8 x scanline) at top of the screen
SetPixelHeight | #### procedure SetPixelHeight(lines: byte); Sets height of a pixel in a scan lines. ##### parameters: lines - height of a pixel in scanlines (between 2 and 16)