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Lynx TGI driver update by Karri Kaksonen. Adds collision detection.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@4393 b7a2c559-68d2-44c3-8de9-860c34a00d81
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uz
2009-10-26 19:28:11 +00:00
parent f24adadb9c
commit 33af076cfc
3 changed files with 38 additions and 2 deletions
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13
doc/lynx.sgml
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@@ -46,7 +46,7 @@ that shows how to create a complete bootable Lynx cart.
<sect>Memory layout<p>
cc65 generated programs with the default setup run with the I/O area and the
kernal enabled, which gives a usable memory range of &dollar;400 - &dollar;C038.
kernal enabled, which gives a usable memory range of &dollar;400 - &dollar;C037.
Special locations:
@@ -62,12 +62,17 @@ Special locations:
'?' for all keys down at the same time.
<tag/Stack/
The C runtime stack is located at &dollar;C037 and growing downwards.
The C runtime stack is located at &dollar;C037 (or &dollar;A057 if collision
detection is enabled) and growing downwards.
<tag/Heap/
The C heap is located at the end of the program and grows towards the C
runtime stack.
<tag/Screen/
The collision detection screen is at &dollar;A058 if it is enabled. The
double buffered screens are at &dollar;C038 and &dollar;E018.
</descrip><p>
@@ -145,6 +150,10 @@ To update displays you can call tgi_updatedisplay() or tgi_ioctl(4, 1) it
will wait for the next VBL interrupt and set the draw buffer to the
view buffer. The draw buffer is also changed to (drawbuffer xor 1).
You can also enable or disable collision detection by a call to
tgi_setcollisiondetection(active) or tgi_ioctl(5, active). The collision
result is located before the sprite structure by default in this driver.
<sect1>Extended memory drivers<p>
No extended memory drivers are currently available for the Lynx.