Move, Blow, and Bunch

CALL W16MOV (SOURCE,N1,TARGET,N2,N3)

Moves 16-bit words in packed form.

Input parameters:

SOURCE

source array

N1

starting 16-bit word in source

TARGET

target array

N2

starting 16-bit word in target

N3

no. of 16-bit words to move

CALL BLO8W (SOURCE,N1,TARGET,N2,N3)

Blows (unpacks) 8-bit words into machine words.

Input parameters:

SOURCE

array containing 8-bit words in packed form

N1

first 8-bit word in source to blow

TARGET

target array for unpacked 8-bit words

N2

TARGET(N2) will contain first unpacked word

N3

no. of 8-bit words to unpack

CALL BUN8W (SOURCE,N1,TARGET,N2,N3)

Bunches (packs) 8-bit words (right adjusted, zero filled) into a continuous bit string.

Input parameters:

SOURCE

array containing 8-bit words in unpacked form

N1

first 8-bit word in source to packed

TARGET

target array for packed 8-bit words

N2

first 8-bit word in target to pack into

N3

no. of 8-bit words to pack

CALL BLO16W (SOURCE,N1,TARGET,N2,N3)

Blows (unpacks) 16-bit words into machine words.

Input parameters:

SOURCE

array containing 16-bit words in packed form

N1

first 16-bit word in source to blow

TARGET

target array for unpacked 16-bit words

N2

TARGET(N2) will contain first unpacked word

N3

no. of 16-bit words to unpack

CALL BUN16W (SOURCE,N1,TARGET,N2,N3)

Bunches (packs) 16-bit words (right adjusted, zero filled) into a continuous-bit string.

Input parameters:

SOURCE

array containing 16-bit words in unpacked form

N1

first 16-bit word in source to packed

TARGET

target array for packed 16-bit words

N2

first 16-bit word in target to pack into

N3

no. of 16-bit words to pack

CALL BLO32W (SOURCE,N1,TARGET,N2,N3)

Blows (unpacks) 32-bit words into machine words. Important remark: Counts partly in 16-bit words.

Input parameters:

SOURCE

array containing 32-bit words in packed form

N1

first 32-bit word in source to blow

TARGET

target array for unpacked 32-bit words

N2

TARGET(N2) will contain first unpacked word

N3

no. of 32-bit words to unpack

CALL BUN32W (SOURCE,N1,TARGET,N2,N3)

Bunches (packs) 32-bit words (right adjusted, zero filled) into a continuous-bit string. Important remark: Counts partly in 16-bit words.

Input parameters:

SOURCE

array containing 32-bit words in unpacked form

N1

first 32-bit word in source to packed

TARGET

target array for packed 32-bit words

N2

first 32-bit word in target to pack into

N3

no. of 32-bit words to pack

IWD16IVAL=IWD16 (A,N)

Function returns the 16-bit word no. N of string A. The first 16-bit word coincides with the start of A.