TickCount

toolbox/mpw_time.cpp

@@ -6,11 +6,18 @@
 #include <cpu/CpuModule.h>
 #include <cpu/fmem.h>
 
+#include <chrono>
+
+#include "stackframe.h"
+
+	// todo -- have background thread to update Ticks and Time global variables?
 
 namespace {
 
 	const long EpochAdjust = 86400 * (365 * (1970 - 1904) + 17); // 17 leap years.
 
+
+
 }
 namespace Time
 {
@@ -92,4 +99,21 @@ namespace Time
 		return 0;
 	}
 
+	uint16_t TickCount(uint16_t trap)
+	{
+		uint32_t ticks;
+
+		fprintf(stderr, "%04x TickCount()\n", trap);
+
+		//auto t = std::chrono::steady_clock::now();
+		ticks = 0;
+
+		// global Ticks
+		memoryWriteLong(ticks, 0x16A);
+		ToolReturn<4>(-1, ticks);
+
+		return 0;
+	}
+
+
 }

toolbox/mpw_time.h

@@ -13,6 +13,7 @@ namespace Time
 	uint16_t ReadDateTime(uint16_t trap);
 	uint16_t SecondsToDate(uint16_t trap);
 
+	uint16_t TickCount(uint16_t trap);
 }
 
 #endif

toolbox/toolbox.cpp

@@ -79,6 +79,11 @@ namespace ToolBox {
 				d0 = Time::SecondsToDate(trap);
 				break;
 		
+			// TickCount : LONGINT;
+			case 0xa975:
+				d0 = Time::TickCount(trap);
+				break;
+
 			// NewPtr [Sys, Clear] (logicalSize: Size): Ptr;
 			case 0xa11e:
 			case 0xa31e: