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authorJens Arnold <amiconn@rockbox.org>2004-12-01 00:33:18 +0000
committerJens Arnold <amiconn@rockbox.org>2004-12-01 00:33:18 +0000
commit303b4abfc5b6e7f1fd85876a2c644a4661d9dd02 (patch)
treede3df45eca3b504a5975526fb3a09ff187566a8f /firmware
parentbbc593128066d258002bb0a17a09c8dd33c07c46 (diff)
downloadrockbox-303b4abfc5b6e7f1fd85876a2c644a4661d9dd02.tar.gz
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rockbox-303b4abfc5b6e7f1fd85876a2c644a4661d9dd02.zip
Button driver overhaul: (1) Unified the button driver functions as much as possible (2) Proper #defines for FM recorder button ADC channels (3) Got rid of old port B #defines only valid for recorder (4) button filtering for all models (5) RoLo with ON after panic should now work for FM/V2
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5472 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware')
-rw-r--r--firmware/drivers/button.c449
-rw-r--r--firmware/export/adc.h4
-rw-r--r--firmware/export/sh7034.h15
-rw-r--r--firmware/system.c10
4 files changed, 173 insertions, 305 deletions
diff --git a/firmware/drivers/button.c b/firmware/drivers/button.c
index 7e7eb97cf9..a368976d6e 100644
--- a/firmware/drivers/button.c
+++ b/firmware/drivers/button.c
@@ -16,8 +16,9 @@
* KIND, either express or implied.
*
****************************************************************************/
+
/*
- * Archos Jukebox Recorder button functions
+ * Rockbox button functions
*/
#include <stdlib.h>
@@ -36,9 +37,9 @@
struct event_queue button_queue;
static int lastbtn; /* Last valid button status */
-#if (CONFIG_KEYPAD == RECORDER_PAD) || (CONFIG_KEYPAD == ONDIO_PAD) || (CONFIG_KEYPAD == IRIVER_H100_PAD)
static int last_read; /* Last button status, for debouncing/filtering */
-static bool flipped; /* bottons can be flipped to match the LCD flip */
+#ifdef HAVE_LCD_BITMAP
+static bool flipped; /* buttons can be flipped to match the LCD flip */
#endif
/* how often we check to see if a button is pressed */
@@ -74,9 +75,9 @@ static void button_tick(void)
if(btn)
{
queue_post(&button_queue, btn, NULL);
- }
+ }
#endif
-
+
/* only poll every X ticks */
if ( ++tick >= POLL_FREQUENCY )
{
@@ -120,8 +121,8 @@ static void button_tick(void)
which doesn't shut down easily with the OFF
key */
#ifdef HAVE_SW_POWEROFF
- if(btn == BUTTON_OFF && !charger_inserted() &&
- repeat_count > POWEROFF_COUNT)
+ if (btn == BUTTON_OFF && !charger_inserted() &&
+ repeat_count > POWEROFF_COUNT)
queue_post(&button_queue, SYS_POWEROFF, NULL);
#endif
}
@@ -140,7 +141,7 @@ static void button_tick(void)
}
if ( post )
{
- if(repeat)
+ if (repeat)
queue_post(&button_queue, BUTTON_REPEAT | btn, NULL);
else
queue_post(&button_queue, btn, NULL);
@@ -166,7 +167,8 @@ int button_get(bool block)
{
struct event ev;
- if ( block || !queue_empty(&button_queue) ) {
+ if ( block || !queue_empty(&button_queue) )
+ {
queue_wait(&button_queue, &ev);
return ev.id;
}
@@ -180,23 +182,40 @@ int button_get_w_tmo(int ticks)
return (ev.id != SYS_TIMEOUT)? ev.id: BUTTON_NONE;
}
-#if CONFIG_KEYPAD == IRIVER_H100_PAD
-void button_init()
+void button_init(void)
{
-#ifndef SIMULATOR
+ /* hardware inits */
+#if CONFIG_KEYPAD == IRIVER_H100_PAD
/* Set GPIO37 as general purpose input */
GPIO1_FUNCTION |= 0x00000020;
GPIO1_ENABLE &= ~0x00000020;
-#endif
+#elif CONFIG_KEYPAD == RECORDER_PAD
+ /* Set PB4 and PB8 as input pins */
+ PBCR1 &= 0xfffc; /* PB8MD = 00 */
+ PBCR2 &= 0xfcff; /* PB4MD = 00 */
+ PBIOR &= ~0x0110; /* Inputs */
+#elif CONFIG_KEYPAD == PLAYER_PAD
+ /* set PA5 and PA11 as input pins */
+ PACR1 &= 0xff3f; /* PA11MD = 00 */
+ PACR2 &= 0xfbff; /* PA5MD = 0 */
+ PAIOR &= ~0x0820; /* Inputs */
+#elif CONFIG_KEYPAD == ONDIO_PAD
+ /* nothing to initialize here */
+#endif /* CONFIG_KEYPAD */
+
queue_init(&button_queue);
lastbtn = 0;
tick_add_task(button_tick);
reset_poweroff_timer();
+
+#ifdef HAVE_LCD_BITMAP
flipped = false;
+#endif
}
+#ifdef HAVE_LCD_BITMAP /* only bitmap displays can be flipped */
/*
- * helper function to swap UP/DOWN, LEFT/RIGHT
+ * helper function to swap UP/DOWN, LEFT/RIGHT (and F1/F3 for Recorder)
*/
static int button_flip(int button)
{
@@ -204,7 +223,11 @@ static int button_flip(int button)
newbutton = button &
~(BUTTON_UP | BUTTON_DOWN
- | BUTTON_LEFT | BUTTON_RIGHT);
+ | BUTTON_LEFT | BUTTON_RIGHT
+#if CONFIG_KEYPAD == RECORDER_PAD
+ | BUTTON_F1 | BUTTON_F3
+#endif
+ );
if (button & BUTTON_UP)
newbutton |= BUTTON_DOWN;
@@ -214,6 +237,12 @@ static int button_flip(int button)
newbutton |= BUTTON_RIGHT;
if (button & BUTTON_RIGHT)
newbutton |= BUTTON_LEFT;
+#if CONFIG_KEYPAD == RECORDER_PAD
+ if (button & BUTTON_F1)
+ newbutton |= BUTTON_F3;
+ if (button & BUTTON_F3)
+ newbutton |= BUTTON_F1;
+#endif
return newbutton;
}
@@ -233,6 +262,75 @@ void button_set_flip(bool flip)
set_irq_level(oldlevel);
}
}
+#endif /* HAVE_LCD_BITMAP */
+
+/*
+ Archos hardware button hookup
+ =============================
+
+ Recorder / Recorder FM/V2
+ -------------------------
+ F1, F2, F3, UP: connected to AN4 through a resistor network
+ DOWN, PLAY, LEFT, RIGHT: likewise connected to AN5
+
+ The voltage on AN4/ AN5 depends on which keys (or key combo) is pressed
+ FM/V2 has PLAY and RIGHT switched compared to plain recorder
+
+ ON: PB8, low active (plain recorder) / AN3, low active (fm/v2)
+ OFF: PB4, low active (plain recorder) / AN2, high active (fm/v2)
+
+ Player
+ ------
+ LEFT: AN0
+ MENU: AN1
+ RIGHT: AN2
+ PLAY: AN3
+
+ STOP: PA11
+ ON: PA5
+
+ All buttons are low active
+
+ Ondio
+ -----
+ LEFT, RIGHT, UP, DOWN: connected to AN4 through a resistor network
+
+ The voltage on AN4 depends on which keys (or key combo) is pressed
+
+ OPTION: AN2, high active (assigned as MENU)
+ ON/OFF: AN3, low active (assigned as OFF)
+
+*/
+
+#if CONFIG_KEYPAD == RECORDER_PAD
+
+#ifdef HAVE_FMADC
+/* FM Recorder super-special levels */
+#define LEVEL1 150
+#define LEVEL2 385
+#define LEVEL3 545
+#define LEVEL4 700
+#define ROW2_BUTTON1 BUTTON_PLAY
+#define ROW2_BUTTON3 BUTTON_RIGHT
+
+#else
+/* plain bog standard Recorder levels */
+#define LEVEL1 250
+#define LEVEL2 500
+#define LEVEL3 700
+#define LEVEL4 900
+#define ROW2_BUTTON1 BUTTON_RIGHT
+#define ROW2_BUTTON3 BUTTON_PLAY
+#endif /* HAVE_FMADC */
+
+#elif CONFIG_KEYPAD == ONDIO_PAD
+/* Ondio levels */
+#define LEVEL1 165
+#define LEVEL2 415
+#define LEVEL3 585
+#define LEVEL4 755
+
+#endif /* CONFIG_KEYPAD */
/*
* Get button pressed from hardware
@@ -244,175 +342,57 @@ static int button_read(void)
int data;
+#if CONFIG_KEYPAD == IRIVER_H100_PAD
+
data = adc_scan(0);
- if(data < 0x80)
- if(data < 0x30)
- if(data < 0x18)
+ if (data < 0x80)
+ if (data < 0x30)
+ if (data < 0x18)
btn = BUTTON_SELECT;
else
btn = BUTTON_UP;
else
- if(data < 0x50)
+ if (data < 0x50)
btn = BUTTON_LEFT;
else
btn = BUTTON_DOWN;
else
- if(data < 0xb0)
- if(data < 0xa0)
+ if (data < 0xb0)
+ if (data < 0xa0)
btn = BUTTON_RIGHT;
else
btn = BUTTON_OFF;
else
- if(data < 0xd0)
+ if (data < 0xd0)
btn = BUTTON_MODE;
else
- if(data < 0xf0)
+ if (data < 0xf0)
btn = BUTTON_REC;
data = GPIO1_READ;
if ((data & 0x20) == 0)
btn |= BUTTON_ON;
-
- if (btn && flipped)
- btn = button_flip(btn); /* swap upside down */
-
- /* Filter the button status. It is only accepted if we get the same
- status twice in a row. */
- if(btn != last_read)
- retval = lastbtn;
- else
- retval = btn;
- last_read = btn;
-
- return retval;
-}
-
-bool button_hold(void)
-{
- return (GPIO1_READ & 0x00000002)?true:false;
-}
-
#elif CONFIG_KEYPAD == RECORDER_PAD
-/* AJBR buttons are connected to the CPU as follows:
- *
- * ON and OFF are connected to separate port B input pins.
- *
- * F1, F2, F3, and UP are connected to the AN4 analog input, each through
- * a separate voltage divider. The voltage on AN4 depends on which button
- * (or none, or a combination) is pressed.
- *
- * DOWN, PLAY, LEFT, and RIGHT are likewise connected to AN5. */
-
-/* Button analog voltage levels */
#ifdef HAVE_FMADC
-/* FM Recorder super-special levels */
-#define LEVEL1 150
-#define LEVEL2 385
-#define LEVEL3 545
-#define LEVEL4 700
-#else
-/* plain bog standard Recorder levels */
-#define LEVEL1 250
-#define LEVEL2 500
-#define LEVEL3 700
-#define LEVEL4 900
-#endif
-
-/*
- *Initialize buttons
- */
-void button_init()
-{
-#ifndef SIMULATOR
- /* Set PB4 and PB8 as input pins */
- PBCR1 &= 0xfffc; /* PB8MD = 00 */
- PBCR2 &= 0xfcff; /* PB4MD = 00 */
- PBIOR &= ~(PBDR_BTN_ON|PBDR_BTN_OFF); /* Inputs */
-#endif
- queue_init(&button_queue);
- lastbtn = 0;
- tick_add_task(button_tick);
- reset_poweroff_timer();
- flipped = false;
-}
-
-
-/*
- * helper function to swap UP/DOWN, LEFT/RIGHT, F1/F3
- */
-static int button_flip(int button)
-{
- int newbutton;
-
- newbutton = button &
- ~(BUTTON_UP | BUTTON_DOWN
- | BUTTON_LEFT | BUTTON_RIGHT
- | BUTTON_F1 | BUTTON_F3);
-
- if (button & BUTTON_UP)
- newbutton |= BUTTON_DOWN;
- if (button & BUTTON_DOWN)
- newbutton |= BUTTON_UP;
- if (button & BUTTON_LEFT)
- newbutton |= BUTTON_RIGHT;
- if (button & BUTTON_RIGHT)
- newbutton |= BUTTON_LEFT;
- if (button & BUTTON_F1)
- newbutton |= BUTTON_F3;
- if (button & BUTTON_F3)
- newbutton |= BUTTON_F1;
-
- return newbutton;
-}
-
-
-/*
- * set the flip attribute
- * better only call this when the queue is empty
- */
-void button_set_flip(bool flip)
-{
- if (flip != flipped) /* not the current setting */
- {
- /* avoid race condition with the button_tick() */
- int oldlevel = set_irq_level(HIGHEST_IRQ_LEVEL);
- lastbtn = button_flip(lastbtn);
- flipped = flip;
- set_irq_level(oldlevel);
- }
-}
-
-/*
- * Get button pressed from hardware
- */
-static int button_read(void)
-{
- int btn = BUTTON_NONE;
- int retval;
-
- int data;
-
-#ifdef HAVE_FMADC
- /* TODO: use proper defines here, and not the numerics in the
- function argument */
- if ( adc_read(3) < 512 )
+ if ( adc_read(ADC_BUTTON_ON) < 512 )
btn |= BUTTON_ON;
- if ( adc_read(2) > 512 )
+ if ( adc_read(ADC_BUTTON_OFF) > 512 )
btn |= BUTTON_OFF;
#else
- /* Check port B pins for ON and OFF */
+ /* check port B pins for ON and OFF */
data = PBDR;
- if ((data & PBDR_BTN_ON) == 0)
+ if ((data & 0x0100) == 0)
btn |= BUTTON_ON;
- else if ((data & PBDR_BTN_OFF) == 0)
+ if ((data & 0x0010) == 0)
btn |= BUTTON_OFF;
#endif
- /* Check F1-3 and UP */
+ /* check F1..F3 and UP */
data = adc_read(ADC_BUTTON_ROW1);
+
if (data >= LEVEL4)
btn |= BUTTON_F3;
else if (data >= LEVEL3)
@@ -427,181 +407,68 @@ static int button_read(void)
checks when UP is pressed. */
if(!(btn & BUTTON_UP))
{
- /* Check DOWN, PLAY, LEFT, RIGHT */
+ /* check DOWN, PLAY, LEFT, RIGHT */
data = adc_read(ADC_BUTTON_ROW2);
+
if (data >= LEVEL4)
btn |= BUTTON_DOWN;
- else if (data >= LEVEL3) {
-#ifdef HAVE_FMADC
- btn |= BUTTON_RIGHT;
-#else
- btn |= BUTTON_PLAY;
-#endif
- }
+ else if (data >= LEVEL3)
+ btn |= ROW2_BUTTON3;
else if (data >= LEVEL2)
btn |= BUTTON_LEFT;
- else if (data >= LEVEL1) {
-#ifdef HAVE_FMADC
- btn |= BUTTON_PLAY;
-#else
- btn |= BUTTON_RIGHT;
-#endif
- }
+ else if (data >= LEVEL1)
+ btn |= ROW2_BUTTON1;
}
- if (btn && flipped)
- btn = button_flip(btn); /* swap upside down */
-
- /* Filter the button status. It is only accepted if we get the same
- status twice in a row. */
- if(btn != last_read)
- retval = lastbtn;
- else
- retval = btn;
- last_read = btn;
-
- return retval;
-}
-
#elif CONFIG_KEYPAD == PLAYER_PAD
-/* The player has two buttons on port pins:
-
- STOP: PA11
- ON: PA5
-
- The rest are on analog inputs:
-
- LEFT: AN0
- MENU: AN1
- RIGHT: AN2
- PLAY: AN3
-*/
-
-void button_init(void)
-{
-#ifndef SIMULATOR
- /* set PA5 and PA11 as input */
- PACR1 &= 0xff3f; /* PA11MD = 00 */
- PACR2 &= 0xfbff; /* PA5MD = 0 */
- PAIOR &= ~0x820;
-#endif
- queue_init(&button_queue);
- lastbtn = 0;
- tick_add_task(button_tick);
-
- reset_poweroff_timer();
-}
-
-static int button_read(void)
-{
- int porta = PADR;
- int btn = BUTTON_NONE;
-
/* buttons are active low */
- if(adc_read(0) < 0x180)
+ if (adc_read(0) < 0x180)
btn |= BUTTON_LEFT;
- if(adc_read(1) < 0x180)
+ if (adc_read(1) < 0x180)
btn |= BUTTON_MENU;
if(adc_read(2) < 0x180)
btn |= BUTTON_RIGHT;
if(adc_read(3) < 0x180)
btn |= BUTTON_PLAY;
- if ( !(porta & 0x20) )
+ /* check port A pins for ON and STOP */
+ data = PADR;
+ if ( !(data & 0x0020) )
btn |= BUTTON_ON;
- if ( !(porta & 0x800) )
+ if ( !(data & 0x0800) )
btn |= BUTTON_STOP;
- return btn;
-}
-
#elif CONFIG_KEYPAD == ONDIO_PAD
-/*
- * helper function to swap UP/DOWN, LEFT/RIGHT
- */
-static int button_flip(int button)
-{
- int newbutton;
-
- newbutton = button &
- ~(BUTTON_UP | BUTTON_DOWN
- | BUTTON_LEFT | BUTTON_RIGHT);
-
- if (button & BUTTON_UP)
- newbutton |= BUTTON_DOWN;
- if (button & BUTTON_DOWN)
- newbutton |= BUTTON_UP;
- if (button & BUTTON_LEFT)
- newbutton |= BUTTON_RIGHT;
- if (button & BUTTON_RIGHT)
- newbutton |= BUTTON_LEFT;
-
- return newbutton;
-}
-
-
-/*
- * set the flip attribute
- * better only call this when the queue is empty
- */
-void button_set_flip(bool flip)
-{
- if (flip != flipped) /* not the current setting */
- {
- /* avoid race condition with the button_tick() */
- int oldlevel = set_irq_level(HIGHEST_IRQ_LEVEL);
- lastbtn = button_flip(lastbtn);
- flipped = flip;
- set_irq_level(oldlevel);
- }
-}
-
-
-/* The Ondio its 6 buttons on analog inputs:
- OPTION: AN2 (used as MENU for now)
- ON/OFF: AN3
- LEFT/RIGHT/UP/DOWN: AN4
- We map them like the player keys for now, although this is far from optimal.
-*/
-void button_init(void)
-{
- queue_init(&button_queue);
- lastbtn = 0;
- tick_add_task(button_tick);
-
- reset_poweroff_timer();
-}
-
-static int button_read(void)
-{
- int btn = BUTTON_NONE;
- int retval;
-
- int data = adc_read(ADC_BUTTON_ROW1);
-
if(adc_read(ADC_BUTTON_OPTION) > 0x200) /* active high */
btn |= BUTTON_MENU;
if(adc_read(ADC_BUTTON_ONOFF) < 0x120) /* active low */
btn |= BUTTON_OFF;
- /* Check the 4 direction keys, hard-coded analog limits for now */
- if (data >= 0x2EF)
+ /* Check the 4 direction keys */
+ data = adc_read(ADC_BUTTON_ROW1);
+
+ if (data >= LEVEL4)
btn |= BUTTON_LEFT;
- else if (data >= 0x246)
+ else if (data >= LEVEL3)
btn |= BUTTON_RIGHT;
- else if (data >= 0x19D)
+ else if (data >= LEVEL2)
btn |= BUTTON_UP;
- else if (data >= 0x0A1)
+ else if (data >= LEVEL1)
btn |= BUTTON_DOWN;
+#endif /* CONFIG_KEYPAD */
+
+
+#ifdef HAVE_LCD_BITMAP
if (btn && flipped)
btn = button_flip(btn); /* swap upside down */
+#endif
/* Filter the button status. It is only accepted if we get the same
status twice in a row. */
- if(btn != last_read)
+ if (btn != last_read)
retval = lastbtn;
else
retval = btn;
@@ -610,6 +477,11 @@ static int button_read(void)
return retval;
}
+#if CONFIG_KEYPAD == IRIVER_H100_PAD
+bool button_hold(void)
+{
+ return (GPIO1_READ & 0x00000002)?true:false;
+}
#endif
int button_status(void)
@@ -621,3 +493,4 @@ void button_clear_queue(void)
{
queue_clear(&button_queue);
}
+
diff --git a/firmware/export/adc.h b/firmware/export/adc.h
index 044391b536..e2c87fa385 100644
--- a/firmware/export/adc.h
+++ b/firmware/export/adc.h
@@ -41,8 +41,6 @@
#define ADC_BUTTON_ROW1 4 /* Used for scanning the keys, different
voltages for different keys */
#define ADC_UNREG_POWER 7 /* Battery voltage */
-/* FixMe: this doesn't exist, just to make the compiler happy */
-#define ADC_EXT_POWER 5 /* The external power voltage, V=X*0.0148 */
#else
/* normal JBR channel assignment */
@@ -51,6 +49,8 @@
#ifdef HAVE_FMADC
#define ADC_CHARGE_REGULATOR 0 /* Uh, we read the battery voltage? */
#define ADC_USB_POWER 1 /* USB, reads 0x000 when USB is inserted */
+#define ADC_BUTTON_OFF 2 /* the off button, high value if pressed */
+#define ADC_BUTTON_ON 3 /* the on button, low value if pressed */
#else
#define ADC_CHARGE_REGULATOR 1 /* Regulator reference voltage, should read
about 0x1c0 when charging, else 0x3FF */
diff --git a/firmware/export/sh7034.h b/firmware/export/sh7034.h
index 90cbb5a0a4..c15ee2a88f 100644
--- a/firmware/export/sh7034.h
+++ b/firmware/export/sh7034.h
@@ -140,7 +140,7 @@
#define RSTCSR_ADDR 0x05FFFFBB
#define SBYCR_ADDR 0x05FFFFBC
-
+
#define PADR_ADDR 0x05FFFFC0
#define PBDR_ADDR 0x05FFFFC2
#define PAIOR_ADDR 0x05FFFFC4
@@ -150,7 +150,7 @@
#define PBCR1_ADDR 0x05FFFFCC
#define PBCR2_ADDR 0x05FFFFCE
#define PCDR_ADDR 0x05FFFFD0
-
+
#define CASCR_ADDR 0x05FFFFEE
/* byte halves of the ports */
@@ -164,15 +164,6 @@
#define PBIORL_ADDR 0x05FFFFC7
-/* Port B data register bits */
-#define PBDR_LCD_SDA 0x0001 /* LCD serial data */
-#define PBDR_LCD_SCK 0x0002 /* LCD serial clock */
-#define PBDR_LCD_DC 0x0004 /* LCD data (1) / command (0) */
-#define PBDR_LCD_CS1 0x0008 /* LCD chip select 1 (active low) */
-#define PBDR_BTN_OFF 0x0010 /* Off button (active low) */
-#define PBDR_LED_RED 0x0040 /* Red LED */
-#define PBDR_BTN_ON 0x0100 /* On button (active low) */
-
/* A/D control/status register bits */
#define ADCSR_CH 0x07 /* Channel/group select */
#define ADCSR_CKS 0x08 /* Clock select */
@@ -195,7 +186,7 @@
#define SMR1 (*((volatile unsigned char*)SMR1_ADDR))
#define BRR1 (*((volatile unsigned char*)BRR1_ADDR))
#define SCR1 (*((volatile unsigned char*)SCR1_ADDR))
-#define TDR1 (*((volatile unsigned char*)TDR1_ADDR))
+#define TDR1 (*((volatile unsigned char*)TDR1_ADDR))
#define SSR1 (*((volatile unsigned char*)SSR1_ADDR))
#define RDR1 (*((volatile unsigned char*)RDR1_ADDR))
diff --git a/firmware/system.c b/firmware/system.c
index 0628eb64cb..726d7fd6cc 100644
--- a/firmware/system.c
+++ b/firmware/system.c
@@ -534,11 +534,15 @@ void UIE (unsigned int pc) /* Unexpected Interrupt or Exception */
for (i = 0; i < 240000; ++i);
/* try to restart firmware if ON is pressed */
-#ifdef HAVE_LCD_CHARCELLS
- if (!(PADR & 0x20))
+#if CONFIG_KEYPAD == PLAYER_PAD
+ if (!(PADR & 0x0020))
rolo_load("/archos.mod");
+#elif CONFIG_KEYPAD == RECORDER_PAD
+#ifdef HAVE_FMADC
+ if (!(PCDR & 0x0008))
#else
- if (!(PBDR & PBDR_BTN_ON))
+ if (!(PBDR & 0x0100))
+#endif
rolo_load("/ajbrec.ajz");
#endif
}