Added California & Colarado laws, copied & modifed from https://github.com/c3d/db48x/blob/stable/LEGAL-NOTICE.md

README.md

@@ -55,3 +55,12 @@ docs on writing BASIC code. In order to create new<br/>
 files, place them in the /data/ directory, note the file<br/>
 names are limited to 11 characters due to FAT12 limitations<br/>
 (8 for the name and 3 for the extension).
+
+# Legal information
+As a consequence of recent legislative activity in [California][https://leginfo.legislature.ca.gov/faces/billTextClient.xhtml?bill_id=202520260AB1043] and [Colororado][https://leg.colorado.gov/bill_files/111670/download]:
+
+* California residents may no longer use CrawOS after Jan 1st, 2027.
+* Colorado residents may no longer use CrawOS after Jan 1st, 2028.
+
+CrawOS is probably an operating system under these laws. However, it
+does not, cannot and will not implement age verification.

source/kernel/features/keyboard.asm

@@ -20,8 +20,8 @@ os_read_input:
 keyboard_display_input:
 	pusha
 	mov di, ax
-	mov ax, bx ; Lazy TODO
+	mov ax, bx
-	mov cx, [prompt_length]
+	mov bx,20 
 
 	.loop:
 		jmp .check_key_pressed
@@ -40,11 +40,11 @@ keyboard_display_input:
 		cmp al, 1Bh
 		je .esc_key
 
-		cmp cx, 0
+		dec bx
-		jb .check_key_pressed
+
+		cmp bx, 0
+		jae .print_current_input ; Echo the user input back
 
-		call .print_current_input
-		dec cx
 		jmp .check_key_pressed
 
 	.esc_key:
@@ -57,8 +57,9 @@ keyboard_display_input:
 		ret ; Return to the parent function (whatever that may be)
 
 	.backspace:
-		jmp .move_cursor_back			; then .move_cursor_back
+		cmp bx, 20						; Cannot backspace if the cursor is at the start
-		jmp .loop				; Else .loop
+		jb .move_cursor_back			; then .move_cursor_back
+		jmp .loop						; Else .loop
 
 	.move_cursor_back:
 		mov ah, 0Eh
@@ -70,16 +71,15 @@ keyboard_display_input:
 		mov al, 08h
 		int 10h
 
+		inc bx
 		dec di
 		jmp .loop
 
 	.print_current_input: ; Echo back that character and return the key inputing
 		stosb
-
 		mov ah, 0Eh
 		int 10h
-
+		jmp .check_key_pressed
-		ret
 
 keyboard_get_cursor_pos: ;TODO
 	ret