Useful Routines

This will soon be populated with routines and child pages; in the meantime, please visit the following Cemetech thread:

http://www.cemetech.net/forum/viewtopic.php?t=6114

Keyboard Routines

• PRGM_GetKey
• Debouncing Multiple-Keypress PRGM GetKey
• Text and Number Input

Hardware Interface Routines

• change_freq

Graphical Routines

• CopySpriteMaskedAlpha - Copy a sprite with an alpha mask onto the screen
• HeightColor - Convert a value between a maximum and a minimum value into a color.
• DrawDialog - Draws a DCS SmallWindow-style dialog box
• MakeGray - Make a 5-6-5 color gray
• DrawLine - Draws a line. Uses the Bresenham line algorithm
• Plot - Draw a point of color
• FillArea - Fill a rectangular area of VRAM
• Non-blocking DMA - Do other stuff while drawing to the screen.

SourceCoder-Compatible Sprites/Images

• CopySprite - Works for 16-bit images and sprites

These routines work particularly well with the 8-bit, 2-bit, and 1-bit indexed data output from SourceCoder.

• CopySpriteNBit - Works for 8-bit, 2-bit, and 1-bit indexed data
• CopySpriteMasked2Bit - Treats one of the four 2-bit colors as a transparent color
• CopySpriteNbitMasked - Treats one color as transparent

Text

• PrintMiniFix - Print a text on the screen in mini/small (glyph) font

Menus

• Menu - Displays a menu system similar to Geometry plugin's one and returns the selected value.

Math Routines

• floor - Implementation of math.floor (PrizmSDK does not have a math.floor)