Fix timer interrupt

src/arch/8051/arch.c

@@ -2,13 +2,6 @@
 
 #include <arch/time.h>
 
-void external_0(void) __interrupt(0) {}
-// timer_0 is in time.c
-void external_1(void) __interrupt(2) {}
-void timer_1(void) __interrupt(3) {}
-void serial(void) __interrupt(4) {}
-void timer_2(void) __interrupt(5) {}
-
 void arch_init(void) {
     // Disable interrupts
     EA = 0;

src/arch/8051/time.c

@@ -7,11 +7,12 @@
 static volatile uint32_t time_overflows = 0;
 
 void timer_0(void) __interrupt(1) {
+    // Stop timer
+    TR0 = 0;
+
     time_overflows++;
 
-    // Restart timer
+    // Start timer
-    TR0 = 0;
-    TF0 = 0;
     TH0 = 0xFD;
     TL0 = 0x01;
     TR0 = 1;

src/board/system76/darp5/main.c

@@ -19,6 +19,15 @@
 #include <common/debug.h>
 #include <common/macro.h>
 
+
+void external_0(void) __interrupt(0) {}
+// timer_0 is in time.c
+void timer_0(void) __interrupt(1);
+void external_1(void) __interrupt(2) {}
+void timer_1(void) __interrupt(3) {}
+void serial(void) __interrupt(4) {}
+void timer_2(void) __interrupt(5) {}
+
 uint8_t main_cycle = 0;
 
 void init(void) {

src/board/system76/galp3-c/main.c

@@ -20,6 +20,15 @@
 #include <common/debug.h>
 #include <common/macro.h>
 
+
+void external_0(void) __interrupt(0) {}
+// timer_0 is in time.c
+void timer_0(void) __interrupt(1);
+void external_1(void) __interrupt(2) {}
+void timer_1(void) __interrupt(3) {}
+void serial(void) __interrupt(4) {}
+void timer_2(void) __interrupt(5) {}
+
 uint8_t main_cycle = 0;
 
 void init(void) {

src/board/system76/lemp9/main.c

@@ -20,6 +20,15 @@
 #include <common/debug.h>
 #include <common/macro.h>
 
+
+void external_0(void) __interrupt(0) {}
+// timer_0 is in time.c
+void timer_0(void) __interrupt(1);
+void external_1(void) __interrupt(2) {}
+void timer_1(void) __interrupt(3) {}
+void serial(void) __interrupt(4) {}
+void timer_2(void) __interrupt(5) {}
+
 uint8_t main_cycle = 0;
 
 void init(void) {