From 9dcd6fc9168a03b146ee980fda407879e527cfb7 Mon Sep 17 00:00:00 2001
From: FreeByrd <nelsonbyrd248@gmail.com>
Date: Wed, 1 Jul 2020 12:58:32 -0400
Subject: [PATCH] added two octaves and a way to switch between them

---
 README.md |   2 ++
 pcano.asm |  40 +++++++++++++++++++++++++++++++++++++++-
 pcano.img | Bin 512 -> 512 bytes
 3 files changed, 41 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 0e05666..cb500d2 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,8 @@ USAGE:
 
 Use the keys a, s, d, f, j, k, l, and ; to play notes. 
 
+Use the keys q, w, and e to change between three different octaves.
+
 the Star Wars theme is a, j, f, d, s, ;, j, f, d, s, ;, j, f, d, f, s.
 
 ASSEMBLING:
diff --git a/pcano.asm b/pcano.asm
index 7e6412c..771a83a 100644
--- a/pcano.asm
+++ b/pcano.asm
@@ -10,6 +10,12 @@ int 10h
 
 input:              ; takes user input
 	in al, 60h
+	cmp al, 18
+	je lower
+	cmp al, 16
+	je upper
+	cmp al, 17
+	je middle
 	cmp al, 30
 	je seta
 	cmp al, 31
@@ -28,6 +34,18 @@ input:              ; takes user input
 	je setcolon
 	jmp stopnote	
 
+lower:
+	mov cl, 1 
+	jmp input
+
+middle:
+	mov cl, 0
+	jmp input
+
+upper:
+	mov cl, 2
+	jmp input
+
 seta:
 	mov bx, 4560 
 	jmp playnote
@@ -59,10 +77,30 @@ setl:
 setcolon:
 	mov bx, 2280
 	jmp playnote
+
+octlow:
+	xor dl, dl
+	mov ax, bx
+	mov bx, 2
+	div bx
+	mov bx, ax
+	jmp portnote	
+
+octhigh:
+	mov ax, 2
+	mul bx
+	mov bx, ax
+	jmp portnote
+	
 	
 playnote:
 	mov al, 182 ; playing sounds n stuff
 	out 43h, al	
+	cmp cl, 2
+	je octhigh
+	cmp cl, 1
+	je octlow
+portnote:
 	mov ax, bx
 	out 42h, al
 	mov al, ah
@@ -71,7 +109,7 @@ playnote:
 	or al, 00000011b
 	out 61h, al
 
-	in al, 60   ; makes it so the note stops when the key is released
+	in al, 60h   ; makes it so the note stops when the key is released
 	mov dl, al
 waitforrelease:
 	in al, 60h
diff --git a/pcano.img b/pcano.img
index 92230c0017fb640b57539dde33b75dd5a06fbff1..fc35c1c394682cb259f103756e9870ad550e3433 100644
GIT binary patch
delta 183
zcmV;o07(CU1b_sP7Jm|SDm)N$E<6!*COjT=Dm))_D?A`{EIc7}Ej%Q2E<7c4FFYo6
zFgz!8G3#=%0qe}M0PD!H0_()P&=Ko7yWbD%G`k}X>o2=l4eKhq;|uF0yO#><AiHk~
z>l?f12<sLw(uvr+0s!~(iNos`xB>w8<B7xT4zRZ7LxA}LbSdtD`2lp?iP+{sh~VZz
l<Y5d0=3(Suh{EJxIM8(h>-gkhB>d)K=~e%+kw5_gRjS7SRO|o%

delta 100
zcmV-q0Gt1S1b_sP7EK;>9y}j(A3Pv*AUq*-Av`2>B0ME@BRnQ_Bs?c{CF@4J&=Kn+
zyWbD%9=jtB>lwRP4eJ!U;|uE#yO#><3cGI!>jk^$2<rf_w&p{Tn;-(~j<LZ#0g=!=
G0#&NX<tI%5