From 60516831b95b8dc7434895e1effa807ba0d7120a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?b=CA=B0edoh=E2=82=82=20sw=C3=A9?= <root@bedohswe.eu.org>
Date: Sun, 25 May 2025 17:49:39 +0500
Subject: [PATCH] Some changes.

---
 boot.c | 42 ++++++++++++++++++++----------------------
 1 file changed, 20 insertions(+), 22 deletions(-)

diff --git a/boot.c b/boot.c
index d49b3ad..f2d7ec3 100644
--- a/boot.c
+++ b/boot.c
@@ -2,20 +2,22 @@
 #include <stdbool.h>
 #include "hedley.h"
 
-typedef enum : char {
+typedef unsigned char uchar;
+
+typedef enum : uchar {
 	NONE  = ' ',
 	CROSS = 'X',
 	NOT   = 'O'
 } Cell;
 
-Cell* const board = (Cell*)0x7F00;
+static Cell* const board = (Cell*)0x7F00;
 
-HEDLEY_ALWAYS_INLINE char readchar(void);
-HEDLEY_ALWAYS_INLINE bool checkwin(Cell c);
-HEDLEY_NEVER_INLINE void putchar(char);
-HEDLEY_NEVER_INLINE void printboard(void);
+static uchar readchar(void);
+static bool checkwin(Cell c);
+static void putchar(uchar);
+static void printboard(void);
 
-char numpadkeys[];
+static uchar numpadkeys[11];
 
 void _start(void) {
 	__asm__ volatile (
@@ -24,12 +26,12 @@ void _start(void) {
 	"start:\n"
 	);
 	Cell cur = CROSS;
-	for (unsigned char i = 0; i < 9; i++)
+	for (uchar i = 0; i < 9; i++)
 		board[i] = NONE;
 	while (1) {
 		printboard();
-		char k = readchar();
-		char o;
+		uchar k = readchar();
+		uchar o;
 		if      (k > 0x46)
 			o = 0x47;
 		else if (k < 0x13)
@@ -38,7 +40,7 @@ void _start(void) {
 			o = (0x1E - 4);
 		else
 			o = (0x2C - 8);
-		size_t c = numpadkeys[k - o];
+		uchar c = numpadkeys[k - o];
 		if (board[c] != NONE)
 			continue;
 		board[c] = cur;
@@ -53,11 +55,10 @@ void _start(void) {
 	HEDLEY_UNREACHABLE();
 }
 // numpadkeys[x - 0x47]
-char numpadkeys[] = {0, 1, 2, false, 3, 4, 5, false, 6, 7, 8};
+static uchar numpadkeys[11] = {0, 1, 2, false, 3, 4, 5, false, 6, 7, 8};
 
 
-HEDLEY_NEVER_INLINE
-void printboard(void) {
+static void printboard(void) {
 	__asm__ volatile (
 		"movb $0x02, %%ah;"
 		"movb $0x00, %%bh;"
@@ -67,8 +68,8 @@ void printboard(void) {
 		:
 		:"%ah","%bh","%dx"
 	);
-	for (char i = 0; i < 3; i++) {
-		for (char j = 0; j < 3; j++) {
+	for (uchar i = 0; i < 3; i++) {
+		for (uchar j = 0; j < 3; j++) {
 			putchar(board[i * 3 + j]);
 		}
 		putchar('\n');
@@ -76,8 +77,7 @@ void printboard(void) {
 	}
 }
 
-HEDLEY_ALWAYS_INLINE
-bool checkwin(Cell c) {
+static bool checkwin(Cell c) {
 	for (size_t i = 0; i <= 2; i++)
 		if (((board[i] == c) && (board[i + 3] == c) && (board[i + 6] == c)) &&
 		   ((board[3*i] == c) && (board[3*i + 1] == c) && (board[3*i + 2] == c)))
@@ -94,8 +94,7 @@ bool checkwin(Cell c) {
  * 678
  */
 
-HEDLEY_ALWAYS_INLINE
-char readchar(void) {
+static uchar readchar(void) {
 	char out;
 __asm__ volatile (
 	"movb $0x00, %%ah;"
@@ -108,8 +107,7 @@ __asm__ volatile (
 	return out;
 }
 
-HEDLEY_NEVER_INLINE
-void putchar(char out) {
+static void putchar(uchar out) {
 __asm__ volatile (
 	"movb $0x0e, %%ah;"
 	"movb %0, %%al;"