
Graphics files must be saved as 8 bit (256 colour) uncompressed TGA files. No other file format is supported. Additionally, as only 256 different colours can appear on screen at a time, there are limits set as to how much of the palette you are allowed to use. For some images, there are also size restrictions.

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TILED BACKGROUNDS (B_0000 to B_0255)
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These files can only use the first 16 colours of the palette (0 to 15). Colour 0 will always appear in the game as black, no matter what colour data is saved in the file.

The width and height of a scrolling background must only be powers of 2... valid widths and heights (in pixels) are 1, 2, 4, 8, 16, 32, 64, 128 and 256.

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LEVEL TILE SETS (T_0000 to T0255)
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These files can only use the first 48 colours of the palette (0 to 47). Colour 0 is transparent.

Tiles are 20 pixels by 20, and are saved vertically in the file. Therefore each image of this type must have a width of 20 and a height of a multiple of 20 (for example, for a set containing 10 tiles, a height of 200).

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SOLID OBJECTS (Q_0000 TO Q_0255)
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Solid objects are drawn using the same palette as the sprites used in the game - colours 0 to 31.

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EPISODE TITLE SCREENS (W_0000 TO W_0255)
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These files can use the first 224 colours.

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MENU TITLE (M_0000)
MENU CAPTION (M_0004)
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These images can use colours 0 to 127 and can be any size. However, images much taller than the original images will be partially obliterated by some of the lovely bouncy menus.

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LEVEL INFO BACKGROUND (M_0001)
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This image can use colours 0 to 127 and must be 320 pixels by 200.

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IN_GAME INFO PANEL (M_0033)
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This image should only use the first 16 colours in the palette and must be 320 pixels by 40.

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SECRET IMAGES (A_0000 TO A_0255)
LEVEL COMPLETED (M_0002)
HUNGRY SOFTWARE LOGO (M_0005)
OUT OF LIVES (M_0006)
READ ME! BACKGROUND (M_0007)
FULL-SCREEN TITLE (M_0008)
CLOSING SCREENS (M_0100 TO M_0103)
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These images can use any of the colours in the palette from 0 to 254 (that's all of the colours except the last). The size of each image must be 320 pixels by 200.

In the Read Me! background image, colours 1, 2, 3, 4 and 5 are used for displaying text. Colour 4 is used for outlines, so should be kept black. The original colours of palette entries 1, 2, 3, 4 and 5 are yellow, orange, green, black and white respectively.

