mirror of
https://github.com/lscharen/iigs-game-engine.git
synced 2024-12-01 08:49:41 +00:00
13 lines
647 B
ArmAsm
13 lines
647 B
ArmAsm
|
; Wrapper around the SMB ROM code. This takes care of setting any memory locations
|
||
|
|
; in the SMB ROM address space that interact with the system (like controller inputs).
|
||
|
|
;
|
||
|
|
; We also shim many of the LDA/STA instruction that modify the NES I/O to be
|
||
|
|
; JSRs to small subroutines that enqueue any changes that are handled once
|
||
|
|
; control returns. The queues are important, because we try to run the game
|
||
|
|
; logic at 60 fps, but the screen will update significantly slower than that.
|
||
|
|
;
|
||
|
|
; By queuing the changes, we can "catch up" to the game logic and prioritize
|
||
|
|
; audio output at 60 fps since audio stutter is much more disruptive that slow
|
||
|
|
; FPS.
|
||
|
|
|