1 files changed, 0 insertions, 35 deletions
diff --git a/PIC/blink.c b/PIC/blink.c
deleted file mode 100644
index 6789b0a..0000000
--- a/PIC/blink.c
+++ /dev/null
@@ -1,35 +0,0 @@
-#include <pic16f84a.h>
-
-typedef unsigned char uint8_t;
-
-// Global volatile so sdcc cannot optimise the delay loops away.
-static volatile uint8_t _d0, _d1, _d2;
-
-// Busy-wait ~500 ms at 50 MHz.
-// 200 × 256 × 256 = 13 107 200 inner iterations.
-// Each iteration ≈ 3 uint8_t instructions × 20 ns = 60 ns.
-// Total ≈ 786 ms  (tune outer count _d0 < N to taste).
-static void delay(void) {
-    _d0 = 0;
-    do {
-        _d1 = 0;
-        do {
-            _d2 = 0;
-            do { _d2++; } while (_d2 != 0);
-        } while (++_d1 != 30);
-        _d0++;
-    } while (_d0 != 116);
-}
-
-void main(void) {
-    // port_b(0) drives activity_led at E8 on the Tang Primer 25K.
-    // port_a(0) drives led at L6.  Both ports are always outputs in this CPU.
-    while (1) {
-        PORTB = 0x01;   // activity_led (E8) on
-        PORTA = 0x01;   // led (L6) on
-        delay();
-        PORTB = 0x00;   // activity_led (E8) off
-        PORTA = 0x00;   // led (L6) off
-        delay();
-    }
-}