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📄 gac_algorithm.asm

📁 使用CYAN单片机的ECOG1开发板连接SIM300C的GSM模块开发的短信收发程序.供UART和AT指令编程者参考
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; generated by Norcroft eCOG C Compiler V1.10 $BuildRevision$
; special options:  -g
;
	MODULE GAC_Algorithm___GAC_Algorithm
	.CODE
	.LARGE
	; TARGET_MAX_STACK_OVERRUN = 8
;/******************************************************************************
;MODE:		AML--#GPS+accelerator+compass
;MCU:		Cyan eCOG1k
;COMPILER:	CyanIDE v1.41
;FILE NAME:	GAC_Algorithm C source code files
;******************************************************************************/
;
;#define GAC_Algorithm_code
;
;/******************************************************************************
;Project level include files.
;******************************************************************************/
;#include "GAC_Algorithm.h"
;#include "cyan_base_driver.h"
;#include "gps.h"
;#include "accelerator.h"
;#include "compass.h"
;
;
;/******************************************************************************
;Declaration of static functions.
;******************************************************************************/
;void GAC_Algorithm_initialization(void);
;double integral_formula(double data_n_1_1,double data_n,double data_n_1_2);
;void distance_integral_formula(void);
;void LSE_get_start_value(double *In);
;void LSE_get_earth_distance(void);
;
;void matrix( void *ma, void *mb, void *mc );
;
;void Get_ACC_average(void);
;void Get_COM_average(void);
;
;void Calculate_roll_pitch( ACC_type *acc );
;void ACC_data_change( ACC_type *acc );
;void Get_ACC_Earth_loc( ACC_type *acc, double *comp );
;
;void GPS_data_STR_to_RADIAN(char *GPS_lat_str,char *GPS_lon_str);
;void GPS_data_change( GPS_DATA *gps, XYZ_type *buf );
;
;void Acc_data_route( ACC_type *acc, double *comp );
;double ACC_data_HEX_to_FLOAT(int ACC_Sdata);
;
;void ACC_COM_reading(void);
;void GPS_reading(void);
;void ACC_COM_insert_reading(void);
;
;/******************************************************************************
;GAC_Algorithm_initialization
;	include all var...
;******************************************************************************/
;void GAC_Algorithm_initialization(void)
;
$GAC_Algorithm_initialization:
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?52.1:
	st	XH,@(-2,Y)
	st	X,@(-1,Y)
Lstab?0c:
;{
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?53.1:
;	r_p_data_buf.roll = 0;
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?54.1:
	ld	AL,#$r_p_data_buf
	st	Y,@H'fffe
	st	AL,@H'ffe1	; %r0
	ld	Y,@H'ffe1	; %r0
	ld	X,#?lit0001
	ld	AH,@(3,X)
	st	AH,@(3,Y)
	ld	AH,@(2,X)
	st	AH,@(2,Y)
	ld	AH,@(1,X)
	st	AH,@(1,Y)
	ld	AH,@(0,X)
	st	AH,@(0,Y)
	ld	Y,@H'fffe
	ld	AH,#0
	st	AH,@H'fffe
;	r_p_data_buf.pitch = 0;
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?55.1:
	ld	AH,#$r_p_data_buf
	add	AH,#4
	st	AH,@H'ffe5	; %r2
	st	Y,@H'fffe
	ld	Y,@H'ffe5	; %r2
	ld	X,#?lit0001
	ld	AH,@(3,X)
	st	AH,@(3,Y)
	ld	AH,@(2,X)
	st	AH,@(2,Y)
	ld	AH,@(1,X)
	st	AH,@(1,Y)
	ld	AH,@(0,X)
	st	AH,@(0,Y)
	ld	Y,@H'fffe
	ld	AH,#0
	st	AH,@H'fffe
;	GS_write_pointer = 0;
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?56.1:
	ld	AL,#0
	st	AL,@$GS_write_pointer
;	GS_read_pointer = 0;
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?57.1:
	st	AL,@$GS_read_pointer
;
;	An_1.x = 0;
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?59.1:
	ld	AH,#$An_1
	st	AH,@H'ffe5	; %r2
	st	Y,@H'fffe
	ld	Y,@H'ffe5	; %r2
	ld	X,#?lit0001
	ld	AH,@(3,X)
	st	AH,@(3,Y)
	ld	AH,@(2,X)
	st	AH,@(2,Y)
	ld	AH,@(1,X)
	st	AH,@(1,Y)
	ld	AH,@(0,X)
	st	AH,@(0,Y)
	ld	Y,@H'fffe
	ld	AH,#0
	st	AH,@H'fffe
;	An_1.y = 0;
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?60.1:
	ld	AH,#$An_1
	add	AH,#4
	st	AH,@H'ffe5	; %r2
	st	Y,@H'fffe
	ld	Y,@H'ffe5	; %r2
	ld	X,#?lit0001
	ld	AH,@(3,X)
	st	AH,@(3,Y)
	ld	AH,@(2,X)
	st	AH,@(2,Y)
	ld	AH,@(1,X)
	st	AH,@(1,Y)
	ld	AH,@(0,X)
	st	AH,@(0,Y)
	ld	Y,@H'fffe
	ld	AH,#0
	st	AH,@H'fffe
;//	An_1.z = 0;
;	Vn_1.x = 0;
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?62.1:
	ld	AH,#$Vn_1
	st	AH,@H'ffe5	; %r2
	st	Y,@H'fffe
	ld	Y,@H'ffe5	; %r2
	ld	X,#?lit0001
	ld	AH,@(3,X)
	st	AH,@(3,Y)
	ld	AH,@(2,X)
	st	AH,@(2,Y)
	ld	AH,@(1,X)
	st	AH,@(1,Y)
	ld	AH,@(0,X)
	st	AH,@(0,Y)
	ld	Y,@H'fffe
	ld	AH,#0
	st	AH,@H'fffe
;	Vn_1.y = 0;
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?63.1:
	ld	AL,#$Vn_1
	add	AL,#4
	st	Y,@H'fffe
	st	AL,@H'ffe1	; %r0
	ld	Y,@H'ffe1	; %r0
	ld	X,#?lit0001
	ld	AH,@(3,X)
	st	AH,@(3,Y)
	ld	AH,@(2,X)
	st	AH,@(2,Y)
	ld	AH,@(1,X)
	st	AH,@(1,Y)
	ld	AH,@(0,X)
	st	AH,@(0,Y)
	ld	Y,@H'fffe
	ld	AH,#0
	st	AH,@H'fffe
;//	Vn_1.z = 0;
;	Sn_1.x = 0;
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?65.1:
	ld	AH,#$Sn_1
	st	AH,@H'ffe5	; %r2
	st	Y,@H'fffe
	ld	Y,@H'ffe5	; %r2
	ld	X,#?lit0001
	ld	AH,@(3,X)
	st	AH,@(3,Y)
	ld	AH,@(2,X)
	st	AH,@(2,Y)
	ld	AH,@(1,X)
	st	AH,@(1,Y)
	ld	AH,@(0,X)
	st	AH,@(0,Y)
	ld	Y,@H'fffe
	ld	AH,#0
	st	AH,@H'fffe
;	Sn_1.y = 0;
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?66.1:
	ld	AL,#$Sn_1
	add	AL,#4
	st	Y,@H'fffe
	st	AL,@H'ffe1	; %r0
	ld	Y,@H'ffe1	; %r0
	ld	X,#?lit0001
	ld	AH,@(3,X)
	st	AH,@(3,Y)
	ld	AH,@(2,X)
	st	AH,@(2,Y)
	ld	AH,@(1,X)
	st	AH,@(1,Y)
	ld	AH,@(0,X)
	st	AH,@(0,Y)
	ld	Y,@H'fffe
	ld	AH,#0
	st	AH,@H'fffe
;	//Sn_1.z = 0;
;	
;	X_distance_accumulator = 0;
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?69.1:
	st	Y,@H'fffe
	ld	Y,#$X_distance_accumulator
	ld	X,#?lit0001
	ld	AH,@(3,X)
	st	AH,@(3,Y)
	ld	AH,@(2,X)
	st	AH,@(2,Y)
	ld	AH,@(1,X)
	st	AH,@(1,Y)
	ld	AH,@(0,X)
	st	AH,@(0,Y)
	ld	Y,@H'fffe
	ld	AH,#0
	st	AH,@H'fffe
;
;	Y_distance_accumulator = 0;
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?71.1:
	st	Y,@H'fffe
	ld	Y,#$Y_distance_accumulator
	ld	X,#?lit0001
	ld	AH,@(3,X)
	st	AH,@(3,Y)
	ld	AH,@(2,X)
	st	AH,@(2,Y)
	ld	AH,@(1,X)
	st	AH,@(1,Y)
	ld	AH,@(0,X)
	st	AH,@(0,Y)
	ld	Y,@H'fffe
	ld	AH,#0
	st	AH,@H'fffe
;
;	AS_write_pointer = 0;
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?73.1:
	ld	AL,#0
	st	AL,@$AS_write_pointer
;	AS_read_pointer = 0; 
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?74.1:
	st	AL,@$AS_read_pointer
;	
;	//gps_o.z = 0;
;	
;	ACC_delay_write_pointer = 0;
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?78.1:
	st	AL,@$ACC_delay_write_pointer
;	ACC_delay_read_pointer = 0;
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?79.1:
	st	AL,@$ACC_delay_read_pointer
;
;	
;	ACC_COM_average_read_pointer = 0;
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?82.1:
	st	AL,@$ACC_COM_average_read_pointer
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?84.1:
	ld	XH,@(-2,Y)
	bra	@(-1,Y)
Lstab?1c:
;
;
;}
;
;/******************************************************************************
;Integral formula : 
;	Vxy[n] = Vxy[n-1] + 1/2 * (Axy[n-1] + Axy[n]) * Ts 
;	Ts = 40ms = 0.04s, n corresponding data buffer.
;	1/2 * Ts = 0.02s.
;******************************************************************************/
;	#define _1_2TS		0.02			// 1/2 *TS = 0.02;
;double integral_formula(double data_n_1_1,double data_n,double data_n_1_2)
;
$integral_formula:
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?93.1:
	st	AL,@(-2,Y)
	st	AH,@(-1,Y)
	st	XH,@(-4,Y)
	st	X,@(-3,Y)
	st	AL,@(-5,Y)	; %r16 (__struct_result)
Lstab?2c:
;{
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?94.1:
;	//float temp;
;	//temp = data_n_1_1 + (float)_1_2TS * (data_n + data_n_1_2);
;	return(data_n_1_1 + (double)_1_2TS * (data_n + data_n_1_2));
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?97.1:
	add	Y,#-26
Lstab?3a:
	mov	AL,Y
	add	AL,#33
	st	AL,@H'ffe1	; %r0
	ld	X,@H'ffe1	; %r0
	ld	AH,@(3,X)
	st	AH,@(3,Y)
	ld	AH,@(2,X)
	st	AH,@(2,Y)
	ld	AH,@(1,X)
	st	AH,@(1,Y)
	ld	AH,@(0,X)
	st	AH,@(0,Y)
	mov	AL,Y
	add	AL,#29
	st	AL,@H'ffe1	; %r0
	ld	X,@H'ffe1	; %r0
	ld	AH,@(3,X)
	st	AH,@(-1,Y)
	ld	AH,@(2,X)
	st	AH,@(-2,Y)
	ld	AH,@(1,X)
	st	AH,@(-3,Y)
	ld	AH,@(0,X)
	st	AH,@(-4,Y)
	mov	AL,Y
	add	AL,#12
	ld	AH,@(-4,Y)
	add	Y,#-3
Lstab?4a:
	bsr	$__dadd
	mov	AH,Y
	add	AH,#15
	st	AH,@H'ffe5	; %r2
	ld	X,@H'ffe5	; %r2
	ld	AH,@(3,X)
	st	AH,@(10,Y)
	ld	AH,@(2,X)
	st	AH,@(9,Y)
	ld	AH,@(1,X)
	st	AH,@(8,Y)
	ld	AH,@(0,X)
	st	AH,@(7,Y)
	ld	X,#?lit0002
	ld	AH,@(3,X)
	st	AH,@(6,Y)
	ld	AH,@(2,X)
	st	AH,@(5,Y)
	ld	AH,@(1,X)
	st	AH,@(4,Y)
	ld	AH,@(0,X)
	st	AH,@(3,Y)
	mov	AL,Y
	add	AL,#19
	ld	AH,@(3,Y)
	add	Y,#4
Lstab?5a:
	bsr	$__dmul
	mov	AL,Y
	add	AL,#15
	st	AL,@H'ffe1	; %r0
	ld	X,@H'ffe1	; %r0
	ld	AH,@(3,X)
	st	AH,@(10,Y)
	ld	AH,@(2,X)
	st	AH,@(9,Y)
	ld	AH,@(1,X)
	st	AH,@(8,Y)
	ld	AH,@(0,X)
	st	AH,@(7,Y)
	mov	AL,Y
	add	AL,#24
	st	AL,@H'ffe1	; %r0
	ld	X,@H'ffe1	; %r0
	ld	AH,@(3,X)
	st	AH,@(6,Y)
	ld	AH,@(2,X)
	st	AH,@(5,Y)
	ld	AH,@(1,X)
	st	AH,@(4,Y)
	ld	AH,@(0,X)
	st	AH,@(3,Y)
	ld	AL,@(20,Y)	; %r16 (__struct_result)
	ld	AH,@(3,Y)
	add	Y,#4
Lstab?6a:
	bsr	$__dadd
	add	Y,#21
	ld	XH,@(-4,Y)
	bra	@(-3,Y)
Lstab?7c:
;
;}
;
;/******************************************************************************
;Request X_axis distance formula : 
;	S[n] = S[n-1] + 1/2 * (V[n-1] + V[n]) * Ts 
;	Ts = 20ms = 0.02s, n corresponding data buffer.
;	1/2 * Ts = 0.01s.
;	S0 = 0
;******************************************************************************/
;void distance_integral_formula(void)
;
$distance_integral_formula:
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?107.1:
	st	XH,@(-2,Y)
	st	X,@(-1,Y)
Lstab?8c:
;{
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?108.1:
Lstab?9c:
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?109.1:
	ld	X,#?lit0001
	ld	AH,@(3,X)
	st	AH,@(-3,Y)	; Vrn+3
	ld	AH,@(2,X)
	st	AH,@(-4,Y)	; Vrn+2
	ld	AH,@(1,X)
	st	AH,@(-5,Y)	; Vrn+1
	ld	AH,@(0,X)
	st	AH,@(-6,Y)	; Vrn
;	double Vrn = 0;
;	
;	
;	if(MOVE_flag)
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?112.1:
	add	Y,#-6
Lstab?10a:
	ld	AL,@$Algorithm_flag
	beq	?L4F3
;	{
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?113.1:
;		Vn.x = integral_formula(Vn_1.x,ACC_data_buf.x,An_1.x);
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?114.1:
	ld	AL,#$An_1
	st	AL,@H'ffe1	; %r0
	ld	X,@H'ffe1	; %r0
	ld	AH,@(3,X)
	st	AH,@(-1,Y)
	ld	AH,@(2,X)
	st	AH,@(-2,Y)
	ld	AH,@(1,X)
	st	AH,@(-3,Y)
	ld	AH,@(0,X)
	st	AH,@(-4,Y)
	ld	AL,#$ACC_data_buf
	st	AL,@H'ffe1	; %r0
	ld	X,@H'ffe1	; %r0
	ld	AH,@(3,X)
	st	AH,@(-5,Y)
	ld	AH,@(2,X)
	st	AH,@(-6,Y)
	ld	AH,@(1,X)
	st	AH,@(-7,Y)
	ld	AH,@(0,X)
	st	AH,@(-8,Y)
	add	Y,#-12
Lstab?11a:
	ld	AH,#$Vn_1
	st	AH,@H'ffe5	; %r2
	ld	X,@H'ffe5	; %r2
	ld	AH,@(3,X)
	st	AH,@(3,Y)
	ld	AH,@(2,X)
	st	AH,@(2,Y)
	ld	AH,@(1,X)
	st	AH,@(1,Y)
	ld	AH,@(0,X)
	st	AH,@(0,Y)
	ld	AL,#$Vn
	ld	AH,@(0,Y)
	add	Y,#1
Lstab?12a:
	bsr	$integral_formula
;		Vn.y = integral_formula(Vn_1.y,ACC_data_buf.y,An_1.y);
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?115.1:
	ld	AL,#$An_1
	add	AL,#4
	st	AL,@H'ffe1	; %r0
	ld	X,@H'ffe1	; %r0
	ld	AH,@(3,X)
	st	AH,@(10,Y)
	ld	AH,@(2,X)
	st	AH,@(9,Y)
	ld	AH,@(1,X)
	st	AH,@(8,Y)
	ld	AH,@(0,X)
	st	AH,@(7,Y)
	ld	AL,#$ACC_data_buf
	add	AL,#4
	st	AL,@H'ffe1	; %r0
	ld	X,@H'ffe1	; %r0
	ld	AH,@(3,X)
	st	AH,@(6,Y)
	ld	AH,@(2,X)
	st	AH,@(5,Y)
	ld	AH,@(1,X)
	st	AH,@(4,Y)
	ld	AH,@(0,X)
	st	AH,@(3,Y)
	ld	AH,#$Vn_1
	add	AH,#4
	st	AH,@H'ffe5	; %r2
	ld	X,@H'ffe5	; %r2
	ld	AH,@(3,X)
	st	AH,@(2,Y)
	ld	AH,@(2,X)
	st	AH,@(1,Y)
	ld	AH,@(1,X)
	st	AH,@(0,Y)
	ld	AH,@(0,X)
	st	AH,@(-1,Y)
	ld	AL,#$Vn
	add	AL,#4
	ld	AH,@(-1,Y)
	bsr	$integral_formula
	add	Y,#11
Lstab?13a:
	bra	?L8F3
?L4F3:
;	}
;	else
;	{
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?118.1:
;		Vn = Vn_1;
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?119.1:
	st	Y,@H'fffe
	ld	Y,#$Vn
	ld	X,#$Vn_1
	ld	AL,#8
	bc
	ld	Y,@H'fffe
	st	AL,@H'fffe
?L8F3:
;		//Vn.x = 0;
;		//Vn.y = 0;
;	}
;	
;	Vrn = sqrt(Vn.x * Vn.x + Vn.y * Vn.y);
^GAC_Algorithm___GAC_Algorithm.'D:\GPS\software\GPS_A_C\GAC_Algorithm.c'.?124.1:
	add	Y,#-24
Lstab?14a:
	ld	AH,#$Vn
	add	AH,#4
	st	AH,@H'ffe5	; %r2
	ld	X,@H'ffe5	; %r2
	ld	AH,@(3,X)
	st	AH,@(3,Y)
	ld	AH,@(2,X)
	st	AH,@(2,Y)
	ld	AH,@(1,X)
	st	AH,@(1,Y)
	ld	AH,@(0,X)
	st	AH,@(0,Y)
	ld	AL,#$Vn
	add	AL,#4
	st	AL,@H'ffe1	; %r0
	ld	X,@H'ffe1	; %r0
	ld	AH,@(3,X)
	st	AH,@(-1,Y)
	ld	AH,@(2,X)
	st	AH,@(-2,Y)
	ld	AH,@(1,X)
	st	AH,@(-3,Y)
	ld	AH,@(0,X)
	st	AH,@(-4,Y)
	mov	AL,Y
	add	AL,#16
	ld	AH,@(-4,Y)
	add	Y,#-3
Lstab?15a:
	bsr	$__dmul
	mov	AL,Y
	add	AL,#19
	st	AL,@H'ffe1	; %r0
	ld	X,@H'ffe1	; %r0
	ld	AH,@(3,X)
	st	AH,@(10,Y)
	ld	AH,@(2,X)
	st	AH,@(9,Y)
	ld	AH,@(1,X)
	st	AH,@(8,Y)
	ld	AH,@(0,X)
	st	AH,@(7,Y)
	ld	AH,#$Vn
	st	AH,@H'ffe5	; %r2
	ld	X,@H'ffe5	; %r2
	ld	AH,@(3,X)
	st	AH,@(2,Y)
	ld	AH,@(2,X)
	st	AH,@(1,Y)
	ld	AH,@(1,X)
	st	AH,@(0,Y)
	ld	AH,@(0,X)
	st	AH,@(-1,Y)
	ld	AL,#$Vn
	st	AL,@H'ffe1	; %r0
	ld	X,@H'ffe1	; %r0
	ld	AH,@(3,X)
	st	AH,@(-2,Y)
	ld	AH,@(2,X)
	st	AH,@(-3,Y)
	ld	AH,@(1,X)
	st	AH,@(-4,Y)
	ld	AH,@(0,X)
	st	AH,@(-5,Y)
	mov	AL,Y
	add	AL,#15
	ld	AH,@(-5,Y)
	add	Y,#-4
Lstab?16a:
	bsr	$__dmul
	mov	AH,Y
	add	AH,#19
	st	AH,@H'ffe5	; %r2
	ld	X,@H'ffe5	; %r2
	ld	AH,@(3,X)
	st	AH,@(10,Y)
	ld	AH,@(2,X)
	st	AH,@(9,Y)
	ld	AH,@(1,X)
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