From f5eb532f23954085eafd82d8d6e93fdaa1de9256 Mon Sep 17 00:00:00 2001
From: 7u83 <7u83@mail.ru>
Date: Sat, 18 May 2024 14:44:16 +0200
Subject: [PATCH] Puts out a counter now

---
 flash.c | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/flash.c b/flash.c
index abcec06..4d9aafb 100644
--- a/flash.c
+++ b/flash.c
@@ -2,16 +2,21 @@
 #include <8052.h>
 
 #ifndef FLASH_PIN 
-#define FLASH_PIN _P1_0
+#define FLASH_PIN _P2_0
 #endif
 
 #ifndef IRQFREQ
 #define IRQFREQ 1000L
 #endif
 
+#ifndef T0_BITS
+#define T0_BITS 13
+#endif
+
+
 #define FOSC (SYSCLK*1000L)
 
-#define T0_1MS	(65536L-FOSC/12L/IRQFREQ)
+#define T0_1MS	((65536)-FOSC/12L/IRQFREQ)
 
 #define TCT IRQFREQ/2-1
 
@@ -19,9 +24,13 @@ unsigned char ctr_l =  TCT&0xFF;
 unsigned char ctr_h = (TCT>>8)&0xff;
 unsigned char ctr_w = (TCT>>16)&0xff;
 
+unsigned char counter = 0;
+
 void handler() __interrupt 1 
 {
 	EA=0;
+	TL0 = (T0_1MS) & 0xFF; 	// Initial timer value
+    	TH0 = T0_1MS>>8;	// Initial timer value
 	__asm
 	mov a, #0xff
 	dec _ctr_l
@@ -31,8 +40,11 @@ void handler() __interrupt 1
 	dec _ctr_w
 	cjne a,_ctr_w, 00001$
 
-	cpl  FLASH_PIN
+	; cpl  FLASH_PIN
 	__endasm;
+
+	counter ++;
+	P2 = counter ^0xff;
 	
 	ctr_l =  TCT&0xFF;
 	ctr_h = (TCT>>8)&0xff;
@@ -47,12 +59,11 @@ void handler() __interrupt 1
 
 void main()
 {
-	
 	P1=TMOD;
 
 	EA=0;
 
-	TMOD =0; 
+	TMOD =1; 
 	P1=TMOD;
 
 	TL0 = (T0_1MS) & 0xFF; 	// Initial timer value