DrawTILogo

Draws the Texas Instruments logo and text, along with copyright info if specified.

Address: $021B00

Inputs:

a: Set to 0 to display copyright info.
c: Distance (in pixels) from the bottom of the screen to the top coordinate to begin drawing at.
OP1: Data for displaying copyright info.

Outputs:

Draws to the screen.

Destroys:

af, bc, de, hl, ix.