Vertical retrace

[Mike Halliday]

Alain,

Is there a way to 'wait for vertical sync'?

In many languages there is a 'wait vbl' or 'waitsync' command.

Is there such a function in PPL? - I have had a think about it, but cant seem to work out how it can be done!

Any pointers would be gratefully accepted.

M.

[kornalius]

In PocketHAL there seems to be SWAP_VSYNC flag, I don't if I have access to this internally. I will investigate and get back to you...

[kornalius]

New swap modes have been added to the GameAPI engine:

#define SWAP_DEFAULT 0
#define SWAP_VSYNC 1
#define SWAP_FULL_UPDATE 2

2 new functions in the interpreter:

g_swapmode();
g_setswapmode(mode$);

This will be part of 1.60 and 2.11.