--- /dev/null
+#ifndef __BIOSCALL_H__
+#define __BIOSCALL_H__
+
+#include "realmode.h"
+
+/* waitkeybord */
+__asm__(
+ "waitkeybord: \n\t"
+ "in $0x64, %al \n\t"
+ "and $0x02, %al \n\t"
+ "jnz waitkeybord \n\t"
+ "ret \n\t"
+);
+
+void io_A20GATE()
+{
+
+ __asm__(
+ "movb $0xff, %al \n\t"
+ "outb %al, $0x21 \n\t"
+ "nop \n\t"
+ "outb %al, $0xa1 \n\t"
+
+ "cli \n\t"
+ );
+
+ __asm__(
+ "call waitkeybord \n\t"
+ "movb $0xd1, %al \n\t"
+ "outb %al, $0x64 \n\t"
+ "call waitkeybord \n\t"
+ "movb $0xdf, %al \n\t"
+ "outb %al, $0x60 \n\t"
+ "call waitkeybord \n\t"
+ );
+}
+
+void io_vga()
+{
+ __asm__(
+ "movb $0x00, %ah \n\t"
+ "movb $0x13, %al \n\t"
+ "int $0x10 \n\t" /* BIOS�ƤӽФ� */
+ );
+}
+
+/* void test() */
+/* { */
+/* __asm__( */
+/* "movw $0x820, %ax \n\t" */
+/* "movw %ax, %es \n\t" */
+/* "movw $0x00, %bx \n\t" /\* (ES * 16 + BX)�Υ��ɥ쥹���ɤ߹��� [0x8200����] *\/ */
+
+/* "movb $0x00, %ch \n\t" /\* ������0 *\/ */
+/* "movb $0x00, %dh \n\t" /\* �إå�0 *\/ */
+/* "movb $0x01, %cl \n\t" /\* ������2 *\/ */
+
+/* "movw $0x00, %si \n\t" /\* ���Բ�� *\/ */
+
+/* "io_load_retry: \n\t" */
+
+/* "movb $0x02, %ah \n\t" /\* �ǥ������ɤ߹��� *\/ */
+/* "movb $0x01, %al \n\t" /\* 1���������� *\/ */
+/* "movb $0x00, %dl \n\t" /\* �ɥ饤����0 *\/ */
+/* "int $0x13 \n\t" /\* �ǥ�����BIOS�ƤӽФ� *\/ */
+
+/* "jnc io_load_fin \n\t" /\* �����ʤ�success�� *\/ */
+/* "add $0x01, %si \n\t" /\* ���Ԥ���� *\/ */
+/* "cmp $0x05, %si \n\t" */
+/* "jae io_load_fin \n\t" /\* 5�ޤ��ϣ�����礭�����error *\/ */
+
+/* "movb $0x00, %ah \n\t" */
+/* "movb $0x00, %dl \n\t" */
+/* "int $0x13 \n\t" /\* �ɥ饤�֤ν�� *\/ */
+/* "jmp io_load_retry \n\t" /\* ��ĩ�� *\/ */
+/* ); */
+
+/* __asm__("io_load_fin:"); */
+/* } */
+
+void io_debug(/* s1* _Str */)
+{
+ //__asm__(".org 0x100");
+
+ // s1 str[3][64] = {"Welcome to PINoC!!\r\n", "loading...\r\n", "starting PINoC...\r\n"};
+ /* s1 str[1][22] = {"Welcome to PINoC!!\r\n"}; */
+
+ /* ʸ�����ɽ�� */
+ /* __asm__( */
+ /* "movb $0x0e, %%ah \n\t" */
+
+ /* "putloop: \n\t" */
+ /* "movb (%0), %%al \n\t" */
+ /* "add $1, %0 \n\t" */
+ /* "cmpb $0, %%al \n\t" */
+ /* "je io_debug_fin \n\t" */
+ /* "int $0x10 \n\t" */
+ /* "jmp putloop \n\t" */
+ /* "io_debug_fin: \n\t" */
+ /* : : "r" (str[0]) : "%al", "%ah" */
+ /* ); */
+
+ // �ǥХå���üʸ��
+ __asm__(
+ "movb $0x0e, %ah \n\t"
+ "movb $2 , %al \n\t"
+ "int $0x10 \n\t"
+ );
+
+}
+
+void io_PROTECTMODE()
+{
+ __asm__(
+ "movl %cr0, %eax \n\t"
+ "orl $0x01, %eax \n\t"
+ "movl %eax, %cr0 \n\t"
+ "jmp io_protect_pflash \n\t"
+ "io_protect_pflash: \n\t"
+ );
+}
+
+#include "protectmode.h"
+
+void io_hlt()
+{
+ __asm__("hlt \n\t");
+}
+
+void io_write(s1* vram, si xsize, si ysize, si xSrc, si ySrc, si color)
+{
+
+ si si_dst = 320 * ySrc;
+ si_dst += xSrc;
+
+ si si_i, si_ii;
+
+ FOR(si_i, ysize)
+ {
+ FOR(si_ii, xsize)
+ {
+ vram[(si_dst + si_ii)] = color;
+ }
+ si_dst += 320;
+ }
+}
+
+s1 io_load()
+{
+
+ s1 flag = 1; /* �ɤ߹��ߤ�����ʤ�0 ���Ԥʤ�1������ */
+
+ __asm__(
+ "movw $0x820, %%ax \n\t"
+ "movw %%ax, %%es \n\t"
+ "movw $0x00, %%bx \n\t" /* (ES * 16 + BX)�Υ��ɥ쥹���ɤ߹��� [0x8200����] */
+
+ "movb $0x00, %%ch \n\t" /* ������0 */
+ "movb $0x00, %%dh \n\t" /* �إå�0 */
+ "movb $0x01, %%cl \n\t" /* ������2 */
+
+ "movw $0x00, %%si \n\t" /* ���Բ�� */
+
+ "io_load_retry: \n\t"
+
+ "movb $0x02, %%ah \n\t" /* �ǥ������ɤ߹��� */
+ "movb $0x01, %%al \n\t" /* 1���������� */
+ "movb $0x00, %%dl \n\t" /* �ɥ饤����0 */
+ "int $0x13 \n\t" /* �ǥ�����BIOS�ƤӽФ� */
+
+ "jnc io_load_success \n\t" /* �����ʤ�success�� */
+ "add $0x01, %%si \n\t" /* ���Ԥ���� */
+ "cmp $0x05, %%si \n\t"
+ "jae io_load_error \n\t" /* 5�ޤ��ϣ�����礭�����error */
+
+ "movb $0x00, %%ah \n\t"
+ "movb $0x00, %%dl \n\t"
+ "int $0x13 \n\t" /* �ɥ饤�֤ν�� */
+ "jmp io_load_retry \n\t" /* ��ĩ�� */
+ : : : "%bx", "%ch", "%dh", "%cl", "%si"
+ );
+
+ /* return ̿���1�Ĥ����ʤ��餷�� */
+
+ __asm__(
+ "io_load_error: \n\t" /* ���� */
+ "movb $0x01, %0 \n\t"
+ "jmp io_load_fin \n\t"
+
+ "io_load_success: \n\t" /* ���� */
+ "movb 0x00, %0 \n\t"
+
+ "io_load_fin: \n\t"
+ : "=r" (flag) : "0" (flag)
+ );
+
+ return flag;
+}
+
+#endif
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