Maxim-integrated MAXQ7667 Manual do Utilizador descarregar pdf (Página 327)

19-13 _________________________________________________________________________________________________________

MAXQ7667 User’s Guide

MOVE dst, src Move Data

Description:

Moves data from a specified source (src) to a specified destination (dst). A list of defined source, destination spec-

ifiers is given in the table below. Also, since src can be either 8-bit (byte) or 16-bit (word) data, the rules governing

data transfer are also explained below in the encoding section.

Status Flags: S, Z (if dst is Acc or AP or APC)

C, E (if dst is PSF)

Operation: dst ← src

Encoding: 15 0

Table 19-2. Source Specifier Codes

fddd

dddd

ssss

src

src BIT ENCODI NG

(f ssssssss)

WI DT H

(16 or 8)

DESCRIPTION

#k 0 kkkk kkkk 8 k kk kkkkk = Im med iate (Literal) D ata

MN[n] 1 nnnn 0NNN 8/16

nnnn Selects One of Firs t 16 Registers in Module N N N;

where NNN = 0 to 5. Access to Second 16 U sing PFX [n].

AP 1 0000 1000 8 Accumulator Pointer

APC 1 0001 1000 8 Accumulator Pointer Control

PSF 1 0100 1000 8 Proces sor Status Flag Register

IC 1 0101 1000 8 Inter rupt and Control Register

IMR 1 0110 1000 8 Inter rupt Mask Regis ter

SC 1 1000 1000 8 System Control Register

IIR 1 1011 1000 8 Inter rupt Identification Register

CKC N 1 1110 1000 8 C lock Control Register

WDCN 1 1111 1000 8 Watchdog Control Regis ter

A[n] 1 nnnn 1001 8/16 nnnn Selects One of 16 Accumulators

Acc 1 0000 1010 8/16 Active Accumulator = A[AP ]. Up date AP per APC

A[AP] 1 0001 1010 8/16 Active Accumulator = A[AP ]. No change to AP

IP 1 0000 1100 16 Instruction Pointer

@SP- - 1 0000 1101 16 16-Bit Word @SP, Post-Decrement SP

SP 1 0001 1101 16 Stack Pointer

IV 1 0010 1101 16 Inter rupt Vector

LC[n] 1 011n 1101 16 n Selects 1 of 2 Loop Counter Registers

@SPI-- 1 1000 1101 16 16-bit wor d @SP, Post-Decrement SP, INS = 0

@BP[OFFS] 1 0000 1110 8/16 Data Me mory @BP[OFFS]

@BP[OFFS++] 1 0001 1110 8/16 Data memory @BP[OFFS]; Post-Increment OFFS

@BP[OFFS- - ] 1 0010 1110 8/16 Data Me mory @BP[OFFS]; Post-Decrement OFFS

OFFS 1 0011 1110 8 Frame Pointer O ffset from Base Pointer (BP)

D P C 1 0100 1110 16 D ata Pointer Control Register

GR 1 0101 1110 16 General Register

GRL 1 0110 1110 8 Low Byte of GR Regis ter

BP 1 0111 1110 16 Frame Pointer Base Pointer (BP )

GRS 1 1000 1110 16 Byte-Swapped GR Register

GRH 1 1001 1110 8 H igh Byte of GR Regis ter

GRXL 1 1010 1110 16 S i gn Ex tended Low Byte of GR Register

FP 1 1011 1110 16 Frame Pointer (BP [OFFS] )

@DP[n] 1 0n00 1111 8/16 Data Me mory @DP [n ]

@DP[n]++ 1 0n01 1111 8/16 Data Memory @DP [n ], Post-Increment DP [n ]

@DP[n] - - 1 0n10 1111 8/16 D ata Memory @DP [n ], Post-Decrement D P [n]

D P [n] 1 0n11 1111 16 n Selects 1 of 2 Data Pointers

1 2 ... 322 323 324 325 326 327 328 329 330 331 332 ... 346 347

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