add timer code

noahw2021 · Dec 26, 2023 · ce887d0 · ce887d0
1 parent 8ec910d
commit ce887d0
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Showing 4 changed files with 6 additions and 3 deletions.
diff --git a/...proj/project.xcworkspace/xcuserdata/noahwooten.xcuserdatad/UserInterfaceState.xcuserstate b/...proj/project.xcworkspace/xcuserdata/noahwooten.xcuserdatad/UserInterfaceState.xcuserstate
diff --git a/plasm2.xcodeproj/xcuserdata/noahwooten.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist b/plasm2.xcodeproj/xcuserdata/noahwooten.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist
@@ -333,8 +333,8 @@
             filePath = "plasm2_emu/cpu/cpu_clock.c"
             startingColumnNumber = "9223372036854775807"
             endingColumnNumber = "9223372036854775807"
-            startingLineNumber = "64"
-            endingLineNumber = "64"
+            startingLineNumber = "66"
+            endingLineNumber = "66"
             landmarkName = "CpuClock()"
             landmarkType = "9">
          </BreakpointContent>

diff --git a/plasm2_emu/cpu/cpu_clock.c b/plasm2_emu/cpu/cpu_clock.c
@@ -41,8 +41,10 @@ void CpuClock(void) {
     }
 #endif
 
-    if (CpuCtx->NextInterruptNS <= CpuCtx->LastTrackedNanoSecond)
+    if (CpuCtx->NextInterruptNS <= CpuCtx->LastTrackedNanoSecond) {
         CpuCtx->NeedsFireThisTick = 1;
+        CpuCtx->NextInterruptNS += 10000;
+    }
 
     CpuCtx->SystemTicks++;
 

diff --git a/plasm2_emu/cpu/cpu_init.c b/plasm2_emu/cpu/cpu_init.c
@@ -28,6 +28,7 @@ void CpuInit(void) {
 	CpuCtx->SystemTicks = 0;
 	CpuCtx->ClocksPerSecond = BASE_CLOCK;
     CpuCtx->NextTickNanoSecond = 4096;
+    CpuCtx->NextTickNanoSecond = 10000;
 
 	for (int i = 0; i < 256; i++) {
 		if (Instructions[i] == NULL)