Aoineko at 20:10, 7 January 2024

2024-01-07T20:10:47Z

Aoineko: Created page with "Some examples: Sys_StopClickSound(); // Stop keyboard "click" sound DisableInterrupt(); // Code you don't want to be interrupted EnableInterrupt();..."

2024-01-07T20:09:47Z

Created page with "Some examples: <syntaxhighlight lang="c"> Sys_StopClickSound(); // Stop keyboard "click" sound DisableInterrupt(); // Code you don't want to be interrupted EnableInterrupt();..."

New page

Some examples:
<syntaxhighlight lang="c">
Sys_StopClickSound(); // Stop keyboard "click" sound

DisableInterrupt();
// Code you don't want to be interrupted
EnableInterrupt();

while(1)
{
Halt(); // Wait for signal (should be screen synchronization)
// Code to be synchronized at 50/60 Hz
}
</syntaxhighlight>

Example for [[Create a mapped ROM|mapped ROM]] (for a 8K mapper):
<syntaxhighlight lang="c">
u8 prevSeg = GET_BANK_SEGMENT(3); // Backup previous segment number in bank #3 (for mapper ROM)
SET_BANK_SEGMENT(3, 10); // Set segment #10 in bank #3
// Here you can access to segment #10 data at addresses A000~BFFFh
SET_BANK_SEGMENT(3, prevSeg); // Restore the previous segment number in bank #3
</syntaxhighlight>

@@ Line 3: / Line 3: @@
 Sys_StopClickSound(); // Stop keyboard "click" sound
-DisableInterrupt();
+DisableInterrupt();   // Disable interruption. ISR will not been called event is interruption signal is set
 // Code you don't want to be interrupted
-EnableInterrupt();
+EnableInterrupt();    // Restore interruption
 while(1)
@@ Line 17: / Line 17: @@
 <syntaxhighlight lang="c">
 u8 prevSeg = GET_BANK_SEGMENT(3); // Backup previous segment number in bank #3 (for mapper ROM)
-SET_BANK_SEGMENT(3, 10); // Set segment #10 in bank #3
+SET_BANK_SEGMENT(3, 10);          // Set segment #10 in bank #3
 // Here you can access to segment #10 data at addresses A000~BFFFh
-SET_BANK_SEGMENT(3, prevSeg); // Restore the previous segment number in bank #3
+SET_BANK_SEGMENT(3, prevSeg);     // Restore the previous segment number in bank #3
 </syntaxhighlight>

Modules/system/Usage - Revision history

Aoineko at 20:10, 7 January 2024

Aoineko: Created page with "Some examples: Sys_StopClickSound(); // Stop keyboard "click" sound DisableInterrupt(); // Code you don't want to be interrupted EnableInterrupt();..."