Reorganise the repo a bit.

make.sh

@@ -1,14 +1,9 @@
 #!/bin/bash
 
-if [ ! -d "build" ];
+cd source/
-then
+nasm boot.asm -f bin -O0 -o ../boot.bin
-    mkdir build
+nasm system.asm -f bin -O0 -o ../system.bin
-fi
 
-cd src/
+cd ..
-nasm boot.asm -f bin -O0 -o ../build/boot.bin
-nasm system.asm -f bin -O0 -o ../build/system.bin
-
-cd ../build/
 cat boot.bin system.bin > EttinOS.img
 rm boot.bin system.bin

source/boot.asm

@@ -1,5 +1,5 @@
 [ORG 0x7c00]
-jmp 0:start
+jmp short start
 nop
 
 ;Disk description table
@@ -30,6 +30,7 @@ mov ds, ax
 
 ;Load the system
 ;Set the source
+mov dl, 0x0
 mov dh, 0x0
 mov ch, 0x0
 mov cl, 0x2

source/readln.inc

@@ -12,7 +12,7 @@ rep stosb
 sub di, [.length]
 
 ;Initialise the cursor pointer
-mov bl, 0x0
+mov bl, 0x1
 
 ;Initialise the last input line pointer
 mov ah, 0x3
@@ -38,9 +38,7 @@ cmp al, 0x8
 je .backspace
 
 ;Check for input end
-mov cl, bl
+cmp bl, [.length]
-inc cl
-cmp cl, [.length]
 je .loop
 
 ;Check for space
@@ -137,13 +135,12 @@ jmp .loop
 .return:
 
 ;Go to the end of the input
-mov bh, 0
+mov bh, 0x0
 sub di, bx
 add di, [.length]
 
 .findtrailing:
 ;Check for a trailing space
-dec di
 cmp byte [di], 0x20
 je .deltrailing
 jmp .done
@@ -152,7 +149,7 @@ jmp .done
 ;Delete a trailing space
 mov al, 0x0
 stosb
-dec di
+sub di, 0x2
 jmp .findtrailing
 
 .done: