Added input ability to BASIC

data/hello.bas

@@ -1,4 +1,5 @@
-FOR A = 1 TO 10
+PRINT "What's your name?"
-PRINT A
+INPUT $1
-NEXT A
+PRINT "Hello " ;
+PRINT $1
 END

source/kernel/features/basic.asm

@@ -1951,7 +1951,7 @@ do_input:
 .number_var:
 	mov ax, .tmpstring			; Get input from the user
 	mov bx, 6
-	call string_input
+	call keyboard_display_input
 
 	mov ax, .tmpstring
 	call string_length
@@ -1981,7 +1981,7 @@ do_input:
 	add ax, string_vars
 
 	mov bx, 128
-	call string_input
+	call keyboard_display_input
 
 	call os_print_newline
 

source/kernel/features/cli.asm

@@ -6,11 +6,12 @@ os_start_cli:
 	mov si, prompt
 	call os_print_string
 
-	mov ax, 20
+	mov bx, 20
 
-	mov di, user_input
+	mov ax, user_input
 
-	call os_display_input
+	call keyboard_display_input
+	jmp os_read_cli
 
 
 ; ------------------------------------------------

source/kernel/features/keyboard.asm

@@ -13,13 +13,18 @@ os_read_input:
 		ret
 
 ; -------------------------------------------
+; IN:
+; AX = output address
+; BX = max length
 
-os_display_input:
+keyboard_display_input:
 	pusha
+	mov di, ax
+	mov ax, bx ; Lazy TODO
 	mov cx, [prompt_length]
 
 	.loop:
-		call .check_key_pressed
+		jmp .check_key_pressed
 
 		jmp .loop
 
@@ -49,7 +54,7 @@ os_display_input:
 		mov al, 0
 		stosb
 		popa
-		call os_read_cli
+		ret ; Return to the parent function (whatever that may be)
 
 	.backspace:
 		call .move_cursor_back			; then .move_cursor_back
@@ -66,9 +71,9 @@ os_display_input:
 		int 10h
 
 		dec di
-		jmp os_display_input
+		jmp keyboard_display_input
 
-	.print_current_input:
+	.print_current_input: ; Echo back that character and return the key inputing
 		stosb
 
 		mov ah, 0Eh