From: John Tsiombikas <nuclear@member.fsf.org>
Date: Tue, 21 Jun 2022 21:27:52 +0000 (+0300)
Subject: back to single-buffer to save space. modern machines are fast enough to
X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=bootcard;a=commitdiff_plain;h=c887100262b10fe9814eee05aaeba763202afe9c

back to single-buffer to save space. modern machines are fast enough to
draw everything in vblank
---

diff --git a/bootcard.asm b/bootcard.asm
index ed23d79..ddf50cd 100644
--- a/bootcard.asm
+++ b/bootcard.asm
@@ -52,24 +52,19 @@ start:	xor ax, ax
 
 	mov ax, 13h
 	int 10h
-	push 1000h
+	push 0a000h
 	pop es
 
+	setcur 10, 0
+	mov si, str1
+	call textout
+	setcur 12, 1
+	mov si, str2
+	call textout
+
 	sti
 
 mainloop:
-	call drawbg
-
-	push ds
-	push es
-	push es
-	pop ds
-	push 0a000h
-	pop es
-	xor di, di
-	xor si, si
-	mov cx, 32000
-
 	mov dx, 3dah
 .invb:	in al, dx
 	and al, 8
@@ -78,16 +73,7 @@ mainloop:
 	and al, 8
 	jz .novb
 
-	rep movsw
-	pop es
-	pop ds
-
-	setcur 10, 0
-	mov si, str1
-	call textout
-	setcur 12, 1
-	mov si, str2
-	call textout
+	call drawbg
 
 	jmp mainloop