ПОЯСНИТЕЛЬНАЯ ЗАПИСКА к курсовому проектированию по дисциплине «ЭВМ и периферийные устройства» на тему «Процессор универсальной. Процессор универсальной эвм

• Название: Процессор универсальной эвм
• Анкор: ПОЯСНИТЕЛЬНАЯ ЗАПИСКА к курсовому проектированию по дисциплине «ЭВМ и периферийные устройства» на тему «Процессор универсальной
• Дата: 20.04.2022
• Размер: 2.21 Mb.
• Имя файла: 18VV1_Repin_PZ.docx
• Тип: Документы; #487486
• страница: 12 из 14

C0 = PR15=
Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 203 2 2 7 17 0 0 0 0 7 0 1 0 0 0 0

Адрес следующей микрокоманды :2 TAKT= 44

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2004 R10 = 0 R11 = 0 R12 = 0 R13 =

101

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 0 RK = 53162

RDI = 1020 RDO = 1121 MAR = 11622 BI = 1020 ZI = 0 DBC = 1020

YBC = 1020 CT = 0 DBU = 2 CMK = 3 RA = 2 ST0 =

0

ST1 = 123 ST2 = 741 ST3 = 203 PSW = 3 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 0 F15 = 0 TST = 0 PR15=

0

PR0 = 1 PQ15= 0 PQ0 = 1

Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 2 1500 1 7 1 7 0 0 0 4 0 1 0 0 2 0

Адрес следующей микрокоманды :1500 TAKT= 45

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2004 R10 = 0 R11 = 0 R12 = 0 R13 =

101

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 0 RK = 53162

RDI = 1020 RDO = 1121 MAR = 2004 BI = 1020 ZI = 0 DBC = 1020

YBC = 2004 CT = 0 DBU = 1500 CMK = 1501 RA = 1500 ST0 =

3

ST1 = 0 ST2 = 123 ST3 = 741 PSW = 3 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 0 F15 = 0 TST = 1 PR15=

0

PR0 = 1 PQ15= 0 PQ0 = 1

Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 1500 0 1 7 12 0 7 0 0 7 0 1 2 0 0 0

Адрес следующей микрокоманды :3 TAKT= 46

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2004 R10 = 0 R11 = 0 R12 = 0 R13 =

101

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 0 RK = 53162

RDI = 1020 RDO = 1121 MAR = 2004 BI = 1020 ZI = 0 DBC =

0

YBC = 0 CT = 0 DBU = 0 CMK = 4 RA = 0 ST0 =

0

ST1 = 123 ST2 = 741 ST3 = 3 PSW = 3 FLG = 0 C0 =

0


37

C16	=	0		OVR =	0		Z	=	1	F15 =	0	TST =		1		PR15=
PR0	=	1		PQ15=	0		PQ0	=	1
Addr	M1		M2 M3		M4	M5	M6	M7	M8	M9 M10	M11 M12 M13		M14		M15
3	0		0 0		16	0	0	0	0	7 0	1 7 0		0		0
Адрес следующей микрокоманды :4 TAKT= 47

0
R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2004 R10 = 0 R11 = 0 R12 = 0 R13 =

101

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 0 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 1020

YBC = 1020 CT = 0 DBU = 0 CMK = 5 RA = 0 ST0 =

0

ST1 = 123 ST2 = 741 ST3 = 3 PSW = 3 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 0 F15 = 0 TST = 1 PR15=

0

PR0 = 1 PQ15= 0 PQ0 = 1

Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 4 2 0 0 16 7 7 0 0 5 0 3 2 0 0 0

Адрес следующей микрокоманды :5 TAKT= 48

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2006 R10 = 0 R11 = 0 R12 = 0 R13 =

101

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 0 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC =

2

YBC = 2006 CT = 0 DBU = 2 CMK = 6 RA = 2 ST0 =

0

ST1 = 123 ST2 = 741 ST3 = 3 PSW = 3 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 0 F15 = 0 TST = 1 PR15=

1

PR0 = 0 PQ15= 1 PQ0 = 0
Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 5 200 2 10 3 0 0 0 0 0 0 0 0 0 0 0

Адрес следующей микрокоманды :6 TAKT= 49

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2006 R10 = 0 R11 = 0 R12 = 0 R13 =

101

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 0 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 2024

YBC = 0 CT = 0 DBU = 200 CMK = 7 RA = 200 ST0 =

0

ST1 = 123 ST2 = 741 ST3 = 3 PSW = 3 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 1 F15 = 0 TST = 0 PR15=

0

PR0 = 1 PQ15= 0 PQ0 = 1

38

Addr	M1	M2 M3	M4	M5 M6	M7	M8	M9 M10	M11 M12 M13	M14	M15
6	2	2 11	3	0 0	0	0	7 0	0 0 0	0	0
Адрес следующей микрокоманды :7 TAKT= 50

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2006 R10 = 0 R11 = 0 R12 = 0 R13 =

101

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 2024 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 2024

YBC = 2024 CT = 0 DBU = 2 CMK = 10 RA = 2 ST0 =

0

ST1 = 123 ST2 = 741 ST3 = 3 PSW = 3 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 0 F15 = 0 TST = 0 PR15=

0

PR0 = 1 PQ15= 0 PQ0 = 1

Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 7 251 2 12 3 0 0 0 0 7 0 0 0 0 0 0

Адрес следующей микрокоманды :10 TAKT= 51

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2006 R10 = 0 R11 = 0 R12 = 0 R13 =

101

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 2024 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 2024

YBC = 2024 CT = 0 DBU = 251 CMK = 11 RA = 251 ST0 =

0

ST1 = 123 ST2 = 741 ST3 = 3 PSW = 3 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 0 F15 = 0 TST = 0 PR15=

0

PR0 = 1 PQ15= 0 PQ0 = 1

Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 10 250 2 13 3 0 0 0 0 7 0 0 0 0 0 0

Адрес следующей микрокоманды :250 TAKT= 52

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2006 R10 = 0 R11 = 0 R12 = 0 R13 =

101

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 2024 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 2024

YBC = 2024 CT = 0 DBU = 250 CMK = 251 RA = 250 ST0 =

0

ST1 = 123 ST2 = 741 ST3 = 3 PSW = 3 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 0 F15 = 0 TST = 1 PR15=

0

PR0 = 1 PQ15= 0 PQ0 = 1

Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 250 151 1 7 1 0 0 0 0 0 0 0 0 0 0 0

39

Адрес следующей микрокоманды :151 TAKT= 53

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2006 R10 = 0 R11 = 0 R12 = 0 R13 =

101

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 2024 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 2024

YBC = 2024 CT = 0 DBU = 151 CMK = 152 RA = 151 ST0 = 251

ST1 = 0 ST2 = 123 ST3 = 741 PSW = 3 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 0 F15 = 0 TST = 1 PR15=

0

PR0 = 1 PQ15= 0 PQ0 = 1

Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 151 0 0 0 16 0 13 0 0 7 0 3 0 0 0 0

Адрес следующей микрокоманды :152 TAKT= 54

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2006 R10 = 0 R11 = 0 R12 = 0 R13 =

2024

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 2024 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 2024

YBC = 2024 CT = 0 DBU = 0 CMK = 153 RA = 0 ST0 = 251

ST1 = 0 ST2 = 123 ST3 = 741 PSW = 3 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 0 F15 = 0 TST = 1 PR15=

1

PR0 = 0 PQ15= 1 PQ0 = 0
Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 152 200 0 0 16 0 0 0 0 7 4 1 2 1 0 0

Адрес следующей микрокоманды :153 TAKT= 55

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2006 R10 = 0 R11 = 0 R12 = 0 R13 =

2024

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 2024 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 200

YBC = 0 CT = 0 DBU = 200 CMK = 154 RA = 200 ST0 = 251

ST1 = 0 ST2 = 123 ST3 = 741 PSW = 4 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 1 F15 = 0 TST = 1 PR15=

0

PR0 = 1 PQ15= 0 PQ0 = 1

Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 153 156 0 2 3 0 0 0 0 0 0 0 0 0 0 0

Адрес следующей микрокоманды :156 TAKT= 56

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

40

R6 = 1676 R7 = 2006 R10 = 0 R11 = 0 R12 = 0 R13 = 2024

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 2024 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 2024

YBC = 2024 CT = 0 DBU = 156 CMK = 157 RA = 156 ST0 = 251

ST1 = 0 ST2 = 123 ST3 = 741 PSW = 4 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 0 F15 = 0 TST = 1 PR15=

0

PR0 = 1 PQ15= 0 PQ0 = 1

Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 156 377 0 0 16 13 13 0 0 5 4 7 2 0 0 0

Адрес следующей микрокоманды :157 TAKT= 57

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2006 R10 = 0 R11 = 0 R12 = 0 R13 =

50

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 2024 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 377

YBC = 24 CT = 0 DBU = 377 CMK = 160 RA = 377 ST0 = 251

ST1 = 0 ST2 = 123 ST3 = 741 PSW = 4 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 0 F15 = 0 TST = 0 PR15=

0

PR0 = 0 PQ15= 0 PQ0 = 0
Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 157 1770 0 0 2 0 0 0 0 0 0 0 0 0 0 0

Адрес следующей микрокоманды :1774 TAKT= 58

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2006 R10 = 0 R11 = 0 R12 = 0 R13 =

50

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 2024 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 2024

YBC = 2024 CT = 0 DBU = 1404 CMK = 1775 RA = 1404 ST0 = 251

ST1 = 0 ST2 = 123 ST3 = 741 PSW = 4 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 0 F15 = 0 TST = 0 PR15=

0

PR0 = 1 PQ15= 0 PQ0 = 1

Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 1774 161 0 0 17 0 0 0 0 0 0 0 0 0 0 0

R2 =	1502	R3 =	0	R4 =	0	R5 =
R10 =	0	R11 =	0	R12 =	0	R13 =

Адрес следующей микрокоманды :161 TAKT= 59

R0 = 0 R1 = 1304

0

R6 = 1676 R7 = 2006

50

41

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 2024 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 2024

YBC = 2024 CT = 0 DBU = 161 CMK = 162 RA = 161 ST0 = 251

ST1 = 0 ST2 = 123 ST3 = 741 PSW = 4 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 0 F15 = 0 TST = 0 PR15=

0

PR0 = 1 PQ15= 0 PQ0 = 1

Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 161 0 0 0 16 17 0 0 0 4 0 1 0 3 0 0

Адрес следующей микрокоманды :162 TAKT= 60

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2006 R10 = 0 R11 = 0 R12 = 0 R13 =

50

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 2024 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 2024

YBC = 0 CT = 0 DBU = 0 CMK = 163 RA = 0 ST0 = 251

ST1 = 0 ST2 = 123 ST3 = 741 PSW = 0 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 1 F15 = 0 TST = 0 PR15=

0

PR0 = 1 PQ15= 0 PQ0 = 1

Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 162 165 0 1 3 0 0 0 0 4 0 0 0 0 0 0

Адрес следующей микрокоманды :163 TAKT= 61

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2006 R10 = 0 R11 = 0 R12 = 0 R13 =

50

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 0 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 2024

YBC = 0 CT = 0 DBU = 165 CMK = 164 RA = 165 ST0 = 251

ST1 = 0 ST2 = 123 ST3 = 741 PSW = 0 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 1 F15 = 0 TST = 0 PR15=

0

PR0 = 1 PQ15= 0 PQ0 = 1

Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 163 160 0 3 3 0 0 0 0 4 0 0 0 0 0 0

Адрес следующей микрокоманды :164 TAKT= 62

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2006 R10 = 0 R11 = 0 R12 = 0 R13 =

50

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 0 RK = 2024

42

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 2024

YBC = 0 CT = 0 DBU = 160 CMK = 165 RA = 160 ST0 = 251

ST1 = 0 ST2 = 123 ST3 = 741 PSW = 0 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 1 F15 = 0 TST = 0 PR15=

0

PR0 = 1 PQ15= 0 PQ0 = 1

Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 164 160 1 7 17 13 7 0 0 1 0 3 0 0 0 0

Адрес следующей микрокоманды :160 TAKT= 63

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2056 R10 = 0 R11 = 0 R12 = 0 R13 =

50

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 0 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 2024

YBC = 2056 CT = 0 DBU = 160 CMK = 161 RA = 160 ST0 = 251

ST1 = 0 ST2 = 123 ST3 = 741 PSW = 0 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 0 F15 = 0 TST = 1 PR15=

1

PR0 = 0 PQ15= 1 PQ0 = 0
Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 160 0 1 7 12 0 0 0 0 0 0 0 0 0 0 0

Адрес следующей микрокоманды :251 TAKT= 64

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2056 R10 = 0 R11 = 0 R12 = 0 R13 =

50

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 0 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 2024

YBC = 0 CT = 0 DBU = 0 CMK = 252 RA = 0 ST0 =

0

ST1 = 123 ST2 = 741 ST3 = 251 PSW = 0 FLG = 0 C0 =

0

C16 = 0 OVR = 0 Z = 1 F15 = 0 TST = 1 PR15=

0

PR0 = 1 PQ15= 0 PQ0 = 1

Addr M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 251 2 2 7 17 0 0 0 0 7 0 1 0 0 0 0

Адрес следующей микрокоманды :2 TAKT= 65

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2056 R10 = 0 R11 = 0 R12 = 0 R13 =

50

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 0 RK = 2024

RDI = 2024 RDO = 1121 MAR = 2004 BI = 2024 ZI = 0 DBC = 2024


43

0

YBC ST1

= =

2024 123

CT ST2

= =

0 741

DBU ST3

= =

2 251

CMK PSW

= =

3 0

RA FLG

= =

2 0

ST0 C0

= =

0

C16 = 0 OVR = 0

Z

=

0

F15

=

0

TST

=

0

PR15=

PR0 = 1 PQ15= 0

PQ0

=

1

Addr

M1

M2 M3

M4

M5

M6

M7

M8

M9 M10

M11 M12 M13

M14

M15

2

1500

1 7

1

7

0

0

0

4 0

1 0 0

2

0

0

Адрес следующей микрокоманды :1500 TAKT= 66

R0 = 0 R1 = 1304 R2 = 1502 R3 = 0 R4 = 0 R5 =

0

R6 = 1676 R7 = 2056 R10 = 0 R11 = 0 R12 = 0 R13 =

50

R14 = 1121 R15 = 3 R16 = 0 R17 = 0 RQ = 0 RK = 2024

YBC

=

2056

CT

=

0

DBU

=

1500

CMK

=

1501

RA

=

1500

ST0

=

ST1

=

0

ST2

=

123

ST3

=

741

PSW

=

0

FLG

=

0

C0

=

C16

=

0

OVR

=

0

Z

=

0

F15

=

0

TST

=

1

PR15

RDI = 2024 RDO = 1121 MAR = 2056 BI = 2024 ZI = 0 DBC = 2024
3
0

44