more insight gained on how quick the pit timer moves for checking recent keypresses

kbd.c

@@ -59,8 +59,9 @@ void kbd_read_key(struct cpu_reg_state* cpu) {
 		// Key pressed
 		kbd_key = keymap[scancode & 0x7f]; // clamp to 127 as the max val(gcc is anoying)
 		kbd_state = kbd_state & !KBD_RELEASE & KBD_PRESS;
+		//printf("@");printhex(pit_timer_ticks);
+		//printf("diff:"); printhex(pit_timer_ticks - kbd_time);
 		kbd_time = pit_timer_ticks;
-		putch(kbd_key);
 	}
 }
 

stlio.c

@@ -1,9 +1,11 @@
 #include "types.h"
 #include "kbd.h"
 #include "stlio.h"
+#include "pit.h"
+
+extern char kbd_key;
+extern u8 kbd_state;
 
-extern char kbd_prev_key;
-extern int kbd_prev_active;
 static u8 COLOR_FG = Green;
 static u8 COLOR_BG = White;
 
@@ -37,23 +39,17 @@ u32 write(const char* buffer, const u32 size) {
 u32 read(char* buffer, u32 size) {
 	// Read up to size-1 characters or until a \n is written
 	// once we reacch size -1 bytes read then we change the last char to a \0
-	kbd_prev_active = false; // we only do this to discard the leftovers from 
-	u32 bytes_read = 0;
+	u32 bytes = 0;
+	while(bytes < size - 1) {
+		// was this key pressed recently?
+		if(pit_timer_ticks - kbd_time  < 200) {
+			buffer[bytes] = kbd_key;
+		}
+	}
+	buffer[size - 1] = '\0';
+	return bytes + 1;
+}
 
-	while(bytes_read < size-1) {
-		if(kbd_prev_active) {
-			bytes_read++;
-			if(kbd_prev_key == '\n') {
-				break;
-			}
-			else {
-				buffer[bytes_read] = kbd_prev_key;
-			}
-		}
-	}
-	printf("You entered: "); printf(buffer);
-	return bytes_read;
-}
 void printf(const char* fmt) {
 	// Variadic fuller version of print on seperate branch but its nowhere near stable/ready/working
 	u32 size = strlen(fmt);