From d84bab78e1601f83ae7ba393f7b9b37c6497e6f7 Mon Sep 17 00:00:00 2001
From: Yourtion <yourtion@gmail.com>
Date: Fri, 13 May 2016 10:32:51 +0800
Subject: [PATCH] =?UTF-8?q?=E8=9C=82=E9=B8=A3=E5=99=A8=E5=8F=91=E5=A3=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 24_day/console.c  | 12 ++++++++++++
 25_day/Makefile   | 18 +++++++++++++++++-
 25_day/a_nask.nas |  7 +++++++
 25_day/beepdown.c | 24 ++++++++++++++++++++++++
 25_day/beepup.c   | 22 ++++++++++++++++++++++
 5 files changed, 82 insertions(+), 1 deletion(-)
 create mode 100644 25_day/beepdown.c
 create mode 100644 25_day/beepup.c

diff --git a/24_day/console.c b/24_day/console.c
index ab3f80a..ceb2fc4 100644
--- a/24_day/console.c
+++ b/24_day/console.c
@@ -429,6 +429,18 @@ int *hrb_api(int edi, int esi, int ebp, int esp, int ebx, int edx, int ecx, int
 		timer_settime((struct TIMER *) ebx, eax);
 	} else if (edx == 19) {
 		timer_free((struct TIMER *) ebx);
+	} else if (edx == 20) {
+		if (eax == 0) {
+			i = io_in8(0x61);
+			io_out8(0x61, i & 0x0d);
+		} else {
+			i = 1193180000 / eax;
+			io_out8(0x43, 0xb6);
+			io_out8(0x42, i & 0xff);
+			io_out8(0x42, i >> 8);
+			i = io_in8(0x61);
+			io_out8(0x61, (i | 0x03) & 0x0f);
+		}
 	}
 	return 0;
 }
diff --git a/25_day/Makefile b/25_day/Makefile
index 4e81e55..c77e73f 100644
--- a/25_day/Makefile
+++ b/25_day/Makefile
@@ -155,10 +155,24 @@ noodle.bim : noodle.obj a_nask.obj Makefile
 noodle.hrb : noodle.bim Makefile
 	$(BIM2HRB) noodle.bim noodle.hrb 40k
 
+beepdown.bim : beepdown.obj a_nask.obj Makefile
+	$(OBJ2BIM) @$(RULEFILE) out:beepdown.bim stack:1k map:beepdown.map \
+		beepdown.obj a_nask.obj
+
+beepdown.hrb : beepdown.bim Makefile
+	$(BIM2HRB) beepdown.bim beepdown.hrb 40k
+
+beepup.bim : beepup.obj a_nask.obj Makefile
+	$(OBJ2BIM) @$(RULEFILE) out:beepup.bim stack:1k map:beepup.map \
+		beepup.obj a_nask.obj
+
+beepup.hrb : beepup.bim Makefile
+	$(BIM2HRB) beepup.bim beepup.hrb 40k
+
 haribote.img : ipl10.bin haribote.sys Makefile \
 		hello.hrb hello2.hrb a.hrb hello3.hrb hello4.hrb hello5.hrb \
 		winhelo.hrb winhelo2.hrb winhelo3.hrb star1.hrb stars.hrb stars2.hrb \
-		lines.hrb walk.hrb noodle.hrb
+		lines.hrb walk.hrb noodle.hrb beepdown.hrb beepup.hrb
 	$(EDIMG)   imgin:../z_tools/fdimg0at.tek \
 		wbinimg src:ipl10.bin len:512 from:0 to:0 \
 		copy from:haribote.sys to:@: \
@@ -179,6 +193,8 @@ haribote.img : ipl10.bin haribote.sys Makefile \
 		copy from:lines.hrb to:@: \
 		copy from:walk.hrb to:@: \
 		copy from:noodle.hrb to:@: \
+		copy from:beepdown.hrb to:@: \
+		copy from:beepup.hrb to:@: \
 		imgout:haribote.img
 
 # 其他指令
diff --git a/25_day/a_nask.nas b/25_day/a_nask.nas
index 56fe642..9e63654 100644
--- a/25_day/a_nask.nas
+++ b/25_day/a_nask.nas
@@ -21,6 +21,7 @@
 		GLOBAL	_api_inittimer
 		GLOBAL	_api_settimer
 		GLOBAL	_api_freetimer
+		GLOBAL	_api_beep
 
 [SECTION .text]
 
@@ -221,3 +222,9 @@ _api_freetimer:		; void api_freetimer(int timer);
 		INT		0x40
 		POP		EBX
 		RET
+
+_api_beep:			; void api_beep(int tone);
+		MOV		EDX,20
+		MOV		EAX,[ESP+4]			; tone
+		INT		0x40
+		RET
diff --git a/25_day/beepdown.c b/25_day/beepdown.c
new file mode 100644
index 0000000..db1aa59
--- /dev/null
+++ b/25_day/beepdown.c
@@ -0,0 +1,24 @@
+void api_end(void);
+int api_getkey(int mode);
+int api_alloctimer(void);
+void api_inittimer(int timer, int data);
+void api_settimer(int timer, int time);
+void api_beep(int tone);
+
+void HariMain(void)
+{
+	int i, timer;
+	timer = api_alloctimer();
+	api_inittimer(timer, 128);
+	for (i = 20000000; i >= 20000; i -= i / 100) {
+		/* 20KHz～20Hz，即人类可以听到的声音范围*/
+		/* i以1%的速度递减*/
+		api_beep(i);
+		api_settimer(timer, 1); /* 0.01秒*/
+		if (api_getkey(1) != 128) {
+			break;
+		}
+	}
+	api_beep(0);
+	api_end();
+}
diff --git a/25_day/beepup.c b/25_day/beepup.c
new file mode 100644
index 0000000..d14ccb6
--- /dev/null
+++ b/25_day/beepup.c
@@ -0,0 +1,22 @@
+void api_end(void);
+int api_getkey(int mode);
+int api_alloctimer(void);
+void api_inittimer(int timer, int data);
+void api_settimer(int timer, int time);
+void api_beep(int tone);
+
+void HariMain(void)
+{
+	int i, timer;
+	timer = api_alloctimer();
+	api_inittimer(timer, 128);
+	for (i = 20000; i <= 20000000; i += i / 100) {
+		api_beep(i);
+		api_settimer(timer, 1); /* 0.01秒*/
+		if (api_getkey(1) != 128) {
+			break;
+		}
+	}
+	api_beep(0);
+	api_end();
+}