4571 datasheet(73/126 Pages) RENESAS

73 / 126 page

Rev.1.02

May 25, 2007

Page 73 of 124

REJ03B0179-0102

4571 Group

MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)

BML p,a

(Branch and Mark Long to address a in page p)

Instruc-

tion

code

Number of

words

Number of

cycles

Flag CY

Skip condition

0 p4 p3 p2 p1 p0 2 0

p 16

1p6 p5 a6 a5 a4 a3 a2 a1 a0 2 2a a 16 Grouping:

Subroutine call operation

Description: Call the subroutine : Calls the subroutine at address a in

page p.

Note:

M34571G4 : p = 0 to 31

M34571G6 : p = 0 to 47

M34571GD : p = 0 to 127

Be careful not to over the stack because the maximum

level of subroutine nesting is 8.

Opera-

tion:

(SP)

← (SP) + 1

(SK(SP))

← (PC)

(PCH)

← p

(PCL)

← a6−a0

BMLA p

(Branch and Mark Long to address (D)+(A) in page p)

Instruc-

tion

code

Number of

words

Number of

cycles

Flag CY

Skip condition

011

00 2 03 0 16

1p6 p5 p4 00 p3 p2 p1 p0 2 2p p 16 Grouping:

Subroutine call operation

Description: Call the subroutine : Calls the subroutine at address (DR2

DR1 DR0 A3 A2 A1 A0)2 specified by registers D and A in

page p.

Note:

M34571G4 : p = 0 to 31

M34571G6 : p = 0 to 47

M34571GD : p = 0 to 127

Be careful not to over the stack because the maximum

level of subroutine nesting is 8.

Opera-

tion:

(SP)

← (SP) + 1

(SK(SP))

← (PC)

(PCH)

← p

(PCL)

← (DR2−DR0, A3−A0)

CLD

(CLear port D)

Instruc-

tion

code

Number of

words

Number of

cycles

Flag CY

Skip condition

001

01 2 01 1 16

Opera-

tion:

(D)

← (1)

Grouping:

Input/Output operation

Description: Sets (1) to port D.

CMA

(CoMplement of Accumulator)

Instruc-

tion

code

Number of

words

Number of

cycles

Flag CY

Skip condition

001

00 2 01 C 16

Opera-

tion:

(A)

←(A)

Grouping:

Arithmetic operation

Description: Stores the one’s complement for register A’s contents in

4571 Datasheet(PDF) 73 Page - Renesas Technology Corp

4571 Datasheet(HTML) 73 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL