wait for user input

README.md

@@ -21,3 +21,6 @@ https://en.wikipedia.org/wiki/BIOS_color_attributes
 ###Second stage bootloader booting from usb
 https://stackoverflow.com/questions/36044706/enable-the-boot-loader-to-load-the-second-sector-of-a-usb
 
+###Tutorial on second stage / read interrupt BUT only for floppy :(
+For disk see above
+https://blog.ghaiklor.com/how-to-implement-a-second-stage-boot-loader-80e75ae4270c

boot.asm

@@ -2,7 +2,7 @@
 [org 0x7c00]
 
                    ; Use the boot drive number passed to us by BIOS in register DL
-start:
+welcome:
     xor ax,ax      ; We want a segment of 0 for DS for this question
     mov ds,ax      ;     Set AX to appropriate segment value for your situation
     mov es,ax      ; In this case we'll default to ES=DS
@@ -13,6 +13,14 @@ start:
 
     cld            ; Set the direction flag to be positive direction
 
+start:
+	 mov ah, 0x00
+        int 0x16
+        cmp al, "0"
+        je load_it_all
+        jmp over
+
+load_it_all:
     mov si, wolf_wel_msg
     call wolf_print
 
@@ -66,6 +74,11 @@ start:
         exit:
         ret
 
+
+
+over:
+        jmp start
+
 ; Moved the data before the boot signature but after the code
 wolf_wel_msg db 'Welcome to this publication...',0x0D,0x0A,0
 wolf_kernel_load db 'Loading program',0x0D,0x0A,0

program.asm

@@ -1,9 +1,15 @@
 [org 0x1000]
 
+
 jmp start
 data:
-   msg db 'program XPUB',0
+   msg db ' POETIC SOFTWARE',0
+
 start:
+    mov dl,7h
+    mov ah,2
+    int 21h
+
    MOV AH, 06h    ; Scroll up function
    XOR AL, AL     ; Clear entire screen
    XOR CX, CX     ; Upper left corner CH=row, CL=column