From 8bd72097d5ec3bd0c413d5689ec2bdc5e5437d6e Mon Sep 17 00:00:00 2001
From: maelstrom <maelstrom@noreply.git.maelstrom.dev>
Date: Wed, 24 Jul 2024 22:27:55 +0300
Subject: [PATCH] broken print_uint

---
 main.asm       |   4 ++--
 main.bin       | Bin 683 -> 721 bytes
 print_util.asm |  27 +++++++++++++++++++++++++++
 ret_util.asm   |   3 +++
 4 files changed, 32 insertions(+), 2 deletions(-)
 create mode 100644 ret_util.asm

diff --git a/main.asm b/main.asm
index bbbfc03..4897e56 100644
--- a/main.asm
+++ b/main.asm
@@ -5,8 +5,8 @@
 section KERNEL follows=BOOTSECTOR vstart=1000h
 
 main:
-    mov bx, HELLO_WORLD
-    call println
+    mov bx, 24734
+    call print_uint
     
 jmp $ ; Halt
     
diff --git a/main.bin b/main.bin
index fe4ae114ded8add81650b9ce28f78f5193a857a9..7530319b183793a36179919373394c17839a9e81 100644
GIT binary patch
delta 72
zcmZ3@dXaSlBNNNKgcnmLvocLJPw2d{d%r;QYsQ^i47(T@zJF{!WY8(z{DYzN^^1W2
aiH8}$z#}y$CtpXQJijO>MNz@Zg#iFL1{<#c

delta 34
qcmcb}x|($ZBNNLkfftICS(&B^dZgy$<m)Ju=NILqC@NUFFaQ9*Zwgod

diff --git a/print_util.asm b/print_util.asm
index 2f002db..42a37ab 100644
--- a/print_util.asm
+++ b/print_util.asm
@@ -120,6 +120,33 @@ print_bin:
     popa
     ret
     
+print_uint:
+    pusha
+    
+    mov ax, bx ; Move number into ax
+    
+    mov bx, _print_dec_buff+5  ; Place in the buffer
+    
+    .loop:
+        sub bx, 1
+        mov cx, 10
+        mov dx, 0   ; IMPORTANT: Division will not work unless the remainder register is set to 0 beforehand
+        div cx      ; Divide ax by cx (10), -> ax, rem -> dx
+        
+        add dx, 0x30 ; Add ascii '0'
+        mov [bx], dx ; Place that value into the buffer
+        
+        cmp ax, 0   ; Continue looping as long as the quotient is not 0
+        jnz .loop
+        
+    ; Print the contents of the buffer
+    ; String is already in bx
+    call print
+        
+    popa
+    ret
+
+_print_dec_buff: resb 6
 
 %macro print_ch 1
        push ax
diff --git a/ret_util.asm b/ret_util.asm
new file mode 100644
index 0000000..ad2fe5e
--- /dev/null
+++ b/ret_util.asm
@@ -0,0 +1,3 @@
+%macro pushargs
+    
+%endmacro
\ No newline at end of file