diff --git a/src/base/base.h b/src/base/base.h
index cd9346a..c728a94 100644
--- a/src/base/base.h
+++ b/src/base/base.h
@@ -11,6 +11,7 @@ extern "C" {
 #include "types.h"
 #include "unitype.h"
 #include "init.h"
+#include "kprint/kprint.h"
 
 #if __cplusplus
 }
diff --git a/src/base/kprint/README.md b/src/base/kprint/README.md
new file mode 100644
index 0000000..e375f83
--- /dev/null
+++ b/src/base/kprint/README.md
@@ -0,0 +1,2 @@
+## kprint
+I don't really like printf function, so i made safer and more convinient replacement.
\ No newline at end of file
diff --git a/src/base/kprint/data_fmt.txt b/src/base/kprint/data_fmt.txt
new file mode 100644
index 0000000..31f434f
--- /dev/null
+++ b/src/base/kprint/data_fmt.txt
@@ -0,0 +1,13 @@
+[data types]
+int                                     0x2000  00100000 00000000
+uint    + withPostfix + uppercase       0x2001  00100000 00000001
+hex     + withPrefix  + uppercase       0x2002  00100000 00000010
+bin     + withPrefix                    0x2003  00100000 00000011
+float   + withPostfix + uppercase       0x3000  00110000 00000000
+char                                    0x3001  00110000 00000001
+string                                  0x3002  00110000 00000010
+???                                     0x3003  00110000 00000011
+
+[optional flags]
+withPrefix = withPostfix                0x0004  00000000 00000100
+upperase                                0x0008  00000000 00001000
\ No newline at end of file
diff --git a/src/base/kprint/kprint.c b/src/base/kprint/kprint.c
new file mode 100644
index 0000000..ade114d
--- /dev/null
+++ b/src/base/kprint/kprint.c
@@ -0,0 +1,22 @@
+#include "../base.h"
+
+
+
+Maybe __ksprint(uint8 n, uint16 sizes[32], ...){
+    for(uint8 i=0; i<n; i++)
+
+}
+
+Maybe __kfprint(FILE* fd, uint8 n, uint16 sizes[32], ...){
+    try(__ksprint(n, sizes, ...), str,;);
+    if(fputs(str.value.VoidPtr, fd)==EOF)
+        safethrow("can't write string to file",;);
+    free(str.value.VoidPtr);
+}
+
+void __kprint(uint8 n, uint16 sizes[32], ...){
+    va_list args;
+    va_start(args, sizes);
+
+    va_end(args);
+}
\ No newline at end of file
diff --git a/src/base/kprint/kprint.h b/src/base/kprint/kprint.h
new file mode 100644
index 0000000..7924ed5
--- /dev/null
+++ b/src/base/kprint/kprint.h
@@ -0,0 +1,51 @@
+#pragma once
+
+#if __cplusplus
+extern "C" {
+#endif
+
+#include "../errors.h"
+#include "kprint_colors.h"
+#include "kprint_format.h"
+
+#define __count_va_args(\
+    a0, a1, a2, a3, a4, a5, a6, a7,\
+    a8, a9, a10,a11,a12,a13,a14,a15,\
+    a16,a17,a18,a19,a20,a21,a22,a23,\
+    a24,a25,a26,a27,a28,a29,a30,a31,\
+    a32) a32
+#define count_va_args(ARGS...) __count_va_args(\
+    ARGS,\
+    32,31,30,29,28,27,26,25,\
+    24,23,22,21,20,19,18,17,\
+    16,15,14,13,12,11,10,9,\
+    8, 7, 6, 5, 4, 3, 2, 1, 0)
+
+#define get_va_args_sizes(\
+    a0, a1, a2, a3, a4, a5, a6, a7,\
+    a8, a9, a10,a11,a12,a13,a14,a15,\
+    a16,a17,a18,a19,a20,a21,a22,a23,\
+    a24,a25,a26,a27,a28,a29,a30,a31)\ 
+    (uint16[]{\
+        sizeof(a0), sizeof(a1), sizeof(a2), sizeof(a3), sizeof(a4), sizeof(a5), sizeof(a6), sizeof(a7),\
+        sizeof(a8), sizeof(a9), sizeof(a10),sizeof(a11),sizeof(a12),sizeof(a13),sizeof(a14),sizeof(a15),\
+        sizeof(a16),sizeof(a17),sizeof(a18),sizeof(a19),sizeof(a20),sizeof(a21),sizeof(a22),sizeof(a23),\
+        sizeof(a24),sizeof(a25),sizeof(a26),sizeof(a27),sizeof(a28),sizeof(a29),sizeof(a30),sizeof(a31)\
+    })
+#define get_va_args_sizes(ARGS...) get_va_args_sizes(ARGS,\
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,\
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
+
+
+Maybe __ksprint(uint8 n, uint16 sizes[32], ...);
+#define ksprint(ARGS...) __ksprint(count_va_args(ARGS), get_va_args_sizes(ARGS), ARGS)
+
+Maybe __kfprint(FILE* fd, uint8 n, uint16 sizes[32], ...);
+#define kfprint(FD, ARGS...) __kfprint(FD, count_va_args(ARGS), get_va_args_sizes(ARGS), ARGS)
+
+void __kprint(uint8 n, uint16 sizes[32], ...);
+#define kprint(ARGS...) __kprint(count_va_args(ARGS), get_va_args_sizes(ARGS), ARGS)
+
+#if __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/src/base/kprint/kprint_colors.h b/src/base/kprint/kprint_colors.h
new file mode 100644
index 0000000..e325311
--- /dev/null
+++ b/src/base/kprint/kprint_colors.h
@@ -0,0 +1,55 @@
+#pragma once
+
+#if __cplusplus
+extern "C" {
+#endif
+
+typedef enum kprint_fgColor{
+    //              01000000 0000000
+    //               ^  ^^^^
+    //               |  color num
+    // fgColorChanged flag   
+
+    kprint_fgBlack      = 0x80000000, // optional
+    kprint_fgDarkRed    = 0x81000000, // optional
+    kprint_fgDarkGreen  = 0x82000000, // optional
+    kprint_fgDarkYellow = 0x83000000, // optional
+    kprint_fgDarkBlue   = 0x84000000, // optional
+    kprint_fgDarkMagneta= 0x85000000, // optional
+    kprint_fgDarkCyan   = 0x86000000, // optional
+    kprint_fgGray       = 0x87000000, // optional
+    kprint_fgDarkGray   = 0x88000000, // optional
+    kprint_fgRed        = 0x89000000, // optional
+    kprint_fgGreen      = 0x8a000000, // optional
+    kprint_fgYellow     = 0x8b000000, // optional
+    kprint_fgBlue       = 0x8c000000, // optional
+    kprint_fgMagneta    = 0x8d000000, // optional
+    kprint_fgCyan       = 0x8e000000, // optional
+    kprint_fgWhite      = 0x8f000000  // optional
+} kprint_fgColor;
+
+typedef enum kprint_bgColor{
+    //              01000000 0000000
+    //               ^       ^^^^
+    // bgColorChanged flag   color num
+    kprint_bgBlack      = 0x40000000, // optional
+    kprint_bgDarkRed    = 0x40100000, // optional
+    kprint_bgDarkGreen  = 0x40200000, // optional
+    kprint_bgDarkYellow = 0x40300000, // optional
+    kprint_bgDarkBlue   = 0x40400000, // optional
+    kprint_bgDarkMagneta= 0x40500000, // optional
+    kprint_bgDarkCyan   = 0x40600000, // optional
+    kprint_bgGray       = 0x40700000, // optional
+    kprint_bgDarkGray   = 0x40800000, // optional
+    kprint_bgRed        = 0x40900000, // optional
+    kprint_bgGreen      = 0x40a00000, // optional
+    kprint_bgYellow     = 0x40b00000, // optional
+    kprint_bgBlue       = 0x40c00000, // optional
+    kprint_bgMagneta    = 0x40d00000, // optional
+    kprint_bgCyan       = 0x40e00000, // optional
+    kprint_bgWhite      = 0x40f00000  // optional
+} kprint_bgColor;
+
+#if __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/src/base/kprint/kprint_format.h b/src/base/kprint/kprint_format.h
new file mode 100644
index 0000000..084547e
--- /dev/null
+++ b/src/base/kprint/kprint_format.h
@@ -0,0 +1,70 @@
+#pragma once
+
+#if __cplusplus
+extern "C" {
+#endif
+
+#include "../unitype.h"
+
+typedef enum kprint_dataFormat{
+    //              00100000 00000000
+    //                ^            ^^
+    //   dataFmtSet flag          type
+    kprint_fmtInt       = 0x20000000, // default
+    
+    //              00100000 00000001
+    kprint_fmtUInt      = 0x20010000, // mandatory for uint
+    
+    //              00100000 00000010
+    kprint_fmtHex       = 0x20020000, // optional
+
+    //              00100000 00000011
+    kprint_fmtBin       = 0x20030000, // optional
+
+    //              00110000 00000000
+    //                ^^           ^^
+    // dataFmtSet flag┘|          type
+    //              notInteger flag
+    kprint_fmtFloat     = 0x30000000, // mandatory for float
+    
+    //              00110000 00000001
+    kprint_fmtChar      = 0x30010000, // optional for char
+    
+    //              00110000 00000010
+    kprint_fmtString    = 0x30020000, // mandatory for char[], char* and string
+    
+    //              00110000 00000011
+    //kprint_fmt?       = 0x30030000, // unused
+
+    //              00000000 00000100
+    //                            ^
+    //                 prefix/postfix flag
+    kprint_fmtWithPrefix=0x00040000,    // optional for hex or binary
+    kprint_fmtWithPostfix=kprint_fmtWithPrefix, // optional for uint or float
+
+    //              00000000 00001000
+    //                           ^
+    //                      uppercase flag // optional for hex, uint or float
+    kprint_fmtUppercase=0x00080000
+} kprint_dataFmt;
+
+
+uint16 kprint_isFmtSet = 0x2000;
+
+
+typedef struct {
+    unsigned char fgColorChanged : 1;
+    unsigned char bgColorChanged : 1;
+    unsigned char dataFmtSet : 1;
+    unsigned char notInteger : 1;
+    unsigned char fgColor : 4;
+    unsigned char bgColor : 4;
+    unsigned char uppercase : 1;
+    unsigned char withPrefix : 1;
+    unsigned char dataFmt : 2;
+    kerepTypeId typeId;
+} kprint_format;
+
+#if __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/src/base/std.h b/src/base/std.h
index 1a69b10..be41eec 100644
--- a/src/base/std.h
+++ b/src/base/std.h
@@ -8,6 +8,7 @@ extern "C" {
 #include <stdlib.h>
 #include <stdint.h>
 #include <stdbool.h>
+#include <stdarg.h>
 #include <locale.h>
 #include <time.h>
 #include <setjmp.h>