diff --git a/.gitignore b/.gitignore
index 1e608a0..51d0a0c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 *.code-workspace
 *.efi
-image/
\ No newline at end of file
+image/
+*.fas
+*.prep
\ No newline at end of file
diff --git a/kernel/boot/bootx64.asm b/kernel/boot/bootx64.asm
index b482a80..702919c 100644
--- a/kernel/boot/bootx64.asm
+++ b/kernel/boot/bootx64.asm
@@ -19,24 +19,50 @@ include '../const.inc'
 purge DQ ; because of some struct DQ in const.inc
 include 'uefi64.inc'
 
-; rbx - efi table
+; hmm proc64.inc uses TCHAR. to define string literals (?)
+struc TCHAR [val] {
+        common match any, val \{ . du val \}
+        match , val \{ . du ? \}
+}
+sizeof.TCHAR = 2
+
 ; rcx - color = fore | back
-proc set_text_color; uses rax
-        mov     rax, rcx
-        mov     rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
-        fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetAttribute], rcx, rax
+proc efi_set_text_color
+        mov     rax, [efi_table]
+        mov     rax, [rax+EFI_SYSTEM_TABLE.ConOut]
+        mov     rdx, rcx ; arg2 - color
+        mov     rcx, rax ; arg1 - this
+        fstcall [rax+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetAttribute]
         ret
 endp
 
-; rbx - efi table
-; rcx - string
-proc print_string; uses rax
-        mov     rax, rcx
-        mov     rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
-        fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, rax
+; rcx - null-terminated string
+proc efi_puts
+        mov     rax, [efi_table]
+        mov     rax, [rax+EFI_SYSTEM_TABLE.ConOut]
+        mov     rdx, rcx ; arg2 - string
+        mov     rcx, rax ; arg1 - this
+        fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString]
         ret
 endp
 
+; rcx - char
+proc efi_putc
+locals
+        cstr dq  0
+endl
+        mov     rax, [efi_table]
+        mov     rax, [rax+EFI_SYSTEM_TABLE.ConOut]
+        mov     byte [cstr], cl
+        lea     rdx, [cstr]
+        mov     rcx, rax
+        fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString]
+        ret
+endp
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
 proc main _efi_handle, _efi_table
         mov     [efi_handle], rcx
         mov     [efi_table], rdx
@@ -47,11 +73,15 @@ proc main _efi_handle, _efi_table
         test    eax, eax
         jnz     $ ; loop if fail to init text
 
-        fstcall set_text_color, EFI_BLUE or EFI_BACKGROUND_GREEN
-        fstcall print_string, msg_hello_k64_loader
+        fstcall efi_set_text_color, EFI_BLUE or EFI_BACKGROUND_GREEN
+        fstcall efi_puts, msg_hello_k64_loader
+        fstcall efi_puts, <'hi there', 13, 10> ;; didnt work unless declared TCHAR
 
-        fstcall set_text_color, EFI_LIGHTRED
-        fstcall print_string, msg_2
+        fstcall efi_set_text_color, EFI_LIGHTRED
+        fstcall efi_puts, msg_2
+
+        fstcall efi_set_text_color, EFI_CYAN
+        fstcall efi_putc, 0+'a' ;; 0+ is to cast it to number to put in register it itself, not the address of string literal 'a' but function expects char in rcx
 
         ;; TODO: print some dec, hex. => impl simple printf. fdo.inc