From 143f34d941f32e0808fc9344d4c4126ff530d64a Mon Sep 17 00:00:00 2001
From: Andrew <saintruler@gmail.com>
Date: Thu, 22 Oct 2020 21:03:24 +0400
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---
 sem2/lab3/vdraw2.asm | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 sem2/lab3/vdraw2.asm

(limited to 'sem2/lab3/vdraw2.asm')

diff --git a/sem2/lab3/vdraw2.asm b/sem2/lab3/vdraw2.asm
new file mode 100644
index 0000000..4223179
--- /dev/null
+++ b/sem2/lab3/vdraw2.asm
@@ -0,0 +1,68 @@
+.model small
+.stack 100h
+.data
+
+screenArr dw 1920 dup (0)
+
+.code
+
+clearScreen PROC NEAR
+
+    mov cx,3840
+    mov bx, offset screenArr
+
+    saveScreen:
+        mov dx, es:[si]
+        mov word ptr [bx], dx
+        inc si
+        inc bx
+    loop saveScreen
+
+    mov cx, 3840
+    mov si, 0
+
+    fillScreen:
+        mov al,0
+        mov es:[si], ax
+        add si, 2
+    loop fillScreen
+
+    ret
+
+clearScreen ENDP
+
+start:
+.486
+mov ax,@DATA
+mov ds,ax
+
+mov ax,0b800h
+mov es,ax ;в es начало видеопамяти
+mov si,0 ;смещение относительно начала видеопамяти
+mov ah,7h ;атрибуты выводимых символов
+
+CALL clearScreen
+
+input:
+    MOV dx,1900h
+    INT 10h
+
+    MOV ah,07h
+    INT 21h
+
+mov bx, offset screenArr
+mov si, 0
+mov cx, 3840
+
+restoreScreen:
+    mov dx, word ptr [bx]
+    mov es:[si], dx
+    inc bx
+    inc si
+loop restoreScreen
+
+exit:
+    mov ax,4C00h
+    int 21h
+
+END start
\ No newline at end of file
-- 
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