Motorola M68CPU32BUG Manuel d'utilisateur télécharger pdf (Page 66)

SYSTEM CALLS

M68CPU32BUG/D REV 1 5-16

.OUTLN Output String Using Pointers .OUTLN

.OUTSTR .OUTSTR

5.2.12 Output String Using Pointers

SYSCALL .OUTLN

TRAP CODE: $0022

SYSCALL .OUTSTR

TRAP CODE: $0021

.OUTSTR outputs a string of characters to the default output port. .OUTLN outputs a string of

characters followed by a <CR><LF> sequence.

Entry Conditions:

SP ==> Address of first character <long>

+4 Address of last character + 1 <long>

Exit Conditions:

SP ==> Top of stack

EXAMPLE

If A0 = start of string and A1 = end of string+1

MOVEM.L A0/A1,-(A7)

Load pointers to string and print it

SYSCALL .OUTSTR

SYSTEM CALLS

M68CPU32BUG/D REV 1 5-17

.PCRLF Print Carriage Return and Line Feed .PCRLF

5.2.13 Print Carriage Return and Line Feed

SYSCALL .PCRLF

TRAP CODE: $0026

.PCRLF sends a carriage return and a line feed to the default output port.

Entry Conditions:

No arguments or stack allocation required.

Exit Conditions:

None

EXAMPLE

SYSCALL .PCRLF Output a carriage return and line feed

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Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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Motorola M68CPU32BUG Manuel d'utilisateur Page 66