Avalon: Data at 60107

60107: Data buffer - graphic working data


Graphic working data buffer - most used in graphic draw/erase routine at 56216
60107	DEFB 0	Graphic's horizontal screen position, in pixels - copied to 60115 at 53948
60108	DEFB 0	High byte for the item's horizontal screen position Acts as an overflow/precision value for large/small values when this item's horizontal room position is calculated at 51265
60109	DEFW 0	Graphics address pointer (table at 38851)
60111	DEFB 0	Multi use flag/counter: Draw/erase flag (0 = Erase, 1 = Draw), used in draw routine at 56378 Used as lightning flash counter (6) for intro sequence at lightning flash routine at 49274.
60112	DEFB 0	Number of tiles that make up the sprite/graphic to draw
60113	DEFB 0	Number of bytes in the graphic tile to draw
60114	DEFB 0	Store for graphic's vertical position, in pixels, from top of playing area
60115	DEFB 0	Store for graphic's horizontal position, in pixels, calculated from second character column on left of screen (the right half of the left decorative border)
60116	DEFB 0	High byte indicating the screen for the graphic's horizontal pixel position above For objects in the room and visible on screen, this is 0 For objects off-screen, 1 = right of the current viewport, 255 = to the left Calculated at 51222 when setting up objects
60117	DEFB 0	Flag indicating whether (any part of) graphic is visible on screen Set to 0 at the beginning of the graphic drawing routine at 56222 Set to 1 in the same routine if any part of graphic is drawn (56311) Appended as bit 0 to the graphic properties byte (60328) after drawing (or not drawing) graphic attributes at 53916
60118	DEFB 0	Byte copied from 60235 at 53954 Indicates whether room item is in a standard room or tunnel Stored as byte 9 of each room item data set at 31744
60119	DEFB 0	- (unused)
60120	DEFB 0	- (unused)
60121	DEFB 0	- (unused)
60122	DEFB 0	- (unused)
60123	DEFB 0	- (unused)
60124	DEFB 0	- (unused)
60125	DEFB 0	- (unused)
60126	DEFW 0	Screen display address position for printing spell list/pointer arrow on scroll (57139)
60128	DEFB 0	Maroc's energy - 0-255 Set to 128 (half the energy bar) at new game start (49358) Each 16 points of energy corresponds to one character of the energy bar graphic (44787)