Currently there are no graphics drivers available for the Atari platform.
However, the runtime library provides a function named _graphics, with
a mode parameter just like the BASIC GRAPHICS command. This function will
-turn on the requested graphics mode.
+switch to the requested graphics mode.
There are currently no functions available to access the graphics
memory. The access must be implemented manually.
in effect when the program starts up. Therefore the programmer has to
tell the program beforehand the memory requirements of the graphics
modes the program intends to use.
-This can be done with the __RESERVED_MEMORY__ linker config
+This can be done by using the __RESERVED_MEMORY__ linker config
variable. The number specified there describes the number of bytes to
subtract from the top of available memory as seen from the runtime
library. This memory is then used by the screen buffer.
only be seen as a rule of thumb. Since the screen buffer memory needs
to start at specific boundaries, the numbers depend on the current top
of available memory.
-These numbers were determined by a BASIC program.
+The following numbers were determined by a BASIC program.
<table>
<tabular ca="rr">