Cx51 User's Guide

MODAB2 Compiler Directive

Abbreviation	None.
Arguments	None.
Default	NOMODAB2
µVision	Options — Target — Use multiple DPTR registers.
Description	The MODAB2 directive instructs the compiler to produce code for the additional hardware components (specifically, the additional data pointers) available in the Analog Devices B2 and compatible derivatives. Using additional data pointers improves the performance of the memcpy, memmove, memcmp, strcpy, and strcmp library routines.
See Also	NOMODAB2
Example	C51 SAMPLE.C MODAB2 #pragma modab2