ftp.barnyard.co.uk/2015.02.ftp.barnyard.co.uk.tar/ftp.barnyard.co.uk/cpm/walnut-creek-CDROM/BEEHIVE/UTILITYS/UNERA3.ARC/Z80.LIB

Text File | 1991-08-11 | 13KB | 562 lines

;;
;;    Z80.LIB INCLUDES Z80 INSTRUCTIONS SET-UP FOR THIS
;;    MACHINE PLEASE READ OVER THESE INSTRUCTIONS AND
;;    INSTRUCTIONS FOUND IN Z80EXT.LIB BEFORE PROGRAMING
;;
;;******************************************************************
;;***                                ***
;;***    INSTRUCTION SET LISTING AS FOUND IN LIBRARY        ***
;;***                                ***
;;******************************************************************
;;
;;    LDX    R,D        *    LDY    R,D
;;    STX    R,D        *    STY    R,D
;;    MVIX    N,D        *    MVIY    N,D
;;    LDAI            *    LDAR
;;    STAI            *    STAR
;;    LXIX    NNNN        *    LXIY    NNNN
;;    LDED    NNNN        *    LBCD    NNNN
;;    LSPD    NNNN        *    LIXD    NNNN
;;    LIYD    NNNN        *    SBCD    NNNN
;;    SDED    NNNN        *    SSPD    NNNN
;;    SIXD    NNNN        *    SIYD    NNNN
;;    SPIX            *    SPIY
;;    PUSHIX            *    PUSHIY
;;    POPIX            *    POPIY
;;    EXAF            *    EXX
;;    XTIX            *    XTIY
;;    LDI            *    LDIR
;;    LDD            *    LDDR
;;    CCI            *    CCIR
;;    CCD            *    CCDR
;;    ADDX    D        *    ADDY    D
;;    ADCX    D        *    ADCY    D
;;    SUBX    D        *    SUBY    D
;;    SBCX    D        *    SBCY    D
;;    ANDX    D        *    ANDY    D
;;    XORX    D        *    XORY    D
;;    ORX    D        *    ORY    D
;;    CMPX    D        *    CMPY    D
;;    INRX    D        *    INRY    D
;;    DCRX    D        *    DCRY    D
;;    NEG            *    IM0
;;    IM1            *    IM2
;;    DADC    RP        *    DSBC    RP
;;    DADX    RP        *    DADY    RP
;;    INXIX            *    INXIY
;;    DCXIX            *    DCXIY
;;    BIT    N,R        *    SETB    N,R
;;    RES    N,R        *    BITX    N,D
;;    BITY    N,D        *    SETX    N,D
;;    SETY    N,D        *    RESX    N,D
;;    RESY    N,D        *    JR    N
;;    JMPR    N        *    JRC    N
;;    JRNC    N        *    JRZ    N
;;    JRNZ    N        *
;;    DJNZ    N        *    PCIX
;;    PCIY            *    RETI
;;    RETN            *    RETEI
;;    INP    R        *    OUTP    R
;;    INI            *    INIR
;;    IND            *    INDR
;;    OUTI            *    OUTIR
;;    OUTD            *    OUTDR
;;    RLCR    R        *    RLCX    D
;;    RLCY    D        *    RALR    R
;;    RALX    D        *    RALY    D
;;    RRCR    R        *    RRCX    D
;;    RRCY    D        *    RARR    R
;;    RARX    D        *    RARY    D
;;    SLAR    R        *    SLAX    D
;;    SLAY    D        *    SRAR    R
;;    SRAX    D        *    SRAY    D
;;    SRLR    R        *    SRLX    D
;;    SRLY    D        *    RLD
;;    RRD
;;
;;******************************************************************
;;
;;    @CHK MACRO USED FOR CHECKING 8 BIT DISPLACMENTS
;;
@CHK    MACRO    ?DD    ;; USED FOR CHECKING RANGE OF 8-BIT DISP.S
    IF (?DD GT 07FH) AND (?DD LT 0FF80H)
 'DISPLACEMENT RANGE ERROR - Z80 LIB'
    ENDIF
    ENDM
@CHECK    MACRO    ?N
    ?DD    SET ?N-$-2
    IF (?DD GT 07FH) AND (?DD LT 0FF80H)
'RANGE ERROR - Z80 LIB'
    ?DD    SET    0FEH
    ENDIF
    ENDM
;;
;;
LDX    MACRO    ?R,?D        ;;LOAD REG R FROM MEMORY AT (IX+D)
    @CHK    ?D
    DB    0DDH,?R*8+46H,?D
    ENDM
LDY    MACRO    ?R,?D        ;;LOAD REG R FROM MEMORY AT (IY+D)
    @CHK    ?D
    DB    0FDH,?R*8+46H,?D
    ENDM
STX    MACRO    ?R,?D        ;;STORE REG R AT MEMORY (IX+D)
    @CHK    ?D
    DB    0DDH,70H+?R,?D
    ENDM
STY    MACRO    ?R,?D        ;;STORE REG R AT MEMORY (IY+D)
    @CHK    ?D
    DB    0FDH,70H+?R,?D
    ENDM
MVIX    MACRO    ?N,?D        ;;MOV #N (8 BITS) INTO MEMORY AT (IX+D)
    @CHK    ?D
    DB    0DDH,36H,?D,?N
    ENDM
MVIY    MACRO    ?N,?D        ;;MOV #N (8 BITS) INTO MEMORY AT (IY+D)
    @CHK    ?D
    DB    0FDH,36H,?D,?N
    ENDM
LDAI    MACRO            ;;LOAD ACC WITH REG I (INTERRUPT VECTOR)
    DB    0EDH,57H
    ENDM
LDAR    MACRO            ;;LOAD ACC WITH THE REFRESH REG
    DB    0EDH,5FH
    ENDM
STAI    MACRO            ;;STORE ACC INTO REG I
    DB    0EDH,47H
    ENDM
STAR    MACRO            ;;STORE ACC INTO THE REFRESH REG
    DB    0EDH,4FH
    ENDM
LXIX    MACRO    ?NNNN        ;;LOAD IMMEDIATE (LDI) IX WITH #NNNN (16 BITS)
    DB    0DDH,21H
    DW    ?NNNN
    ENDM
LXIY    MACRO    ?NNNN        ;;LDI REG PAIR IY WITH #NNNN (16 BITS)
    DB    0FDH,21H
    DW    ?NNNN
    ENDM
LDED    MACRO    ?NNNN        ;;LOAD DE WITH CONTENTS OF MEMORY AT NNNN
    DB    0EDH,5BH    ;;  (E)=((NN)(NN))
    DW    ?NNNN        ;;  (D)=((NN)(NN+1))
    ENDM
LBCD    MACRO    ?NNNN        ;;LOAD BC WITH CONTENTS OF MEMORY AT NNNN
    DB    0EDH,4BH
    DW    ?NNNN
    ENDM
LSPD    MACRO    ?NNNN        ;;LOAD STACK POINTER WITH CONTENTS OF MEMORY
    DB    0EDH,07BH    ;;  AT NNNN
    DW    ?NNNN
    ENDM
LIXD    MACRO    ?NNNN        ;;LOAD IX WITH CONTENTS OF MEMORY AT NNNN
    DB    0DDH,2AH
    DW    ?NNNN
    ENDM
LIYD    MACRO    ?NNNN        ;;LOAD IY WITH CONTENTS OF MEMORY AT NNNN
    DB    0FDH,2AH
    DW    ?NNNN
    ENDM
SBCD    MACRO    ?NNNN        ;;STORE BC IN MEMORY LOCATION NNNN
    DB    0EDH,43H    ;;  ((NN)(NN))=(C)
    DW    ?NNNN        ;;  ((NN)(NN+1))=(B)
    ENDM
SDED    MACRO    ?NNNN        ;;STORE DE IN MEMORY LOC NNNN
    DB    0EDH,53H
    DW    ?NNNN
    ENDM
SSPD    MACRO    ?NNNN        ;;STORE STACK POINTER IN MEMORY LOC NNNN
    DB    0EDH,73H
    DW    ?NNNN
    ENDM
SIXD    MACRO    ?NNNN        ;;STORE IX IN MEMORY LOC NNNN
    DB    0DDH,22H
    DW    ?NNNN
    ENDM
SIYD    MACRO    ?NNNN        ;;STORE IY IN MEMORY LOC NNNN
    DB    0FDH,22H
    DW    ?NNNN
    ENDM
SPIX    MACRO            ;;MOV IX INTO STACK POINTER (SP)
    DB    0DDH,0F9H
    ENDM
SPIY    MACRO            ;;MOV IY INTO STACK POINTER (SP)
    DB    0FDH,0F9H
    ENDM
PUSHIX    MACRO            ;;PUSH IX ONTO STACK
    DB    0DDH,0E5H
    ENDM
PUSHIY    MACRO            ;;PUSH IY ONTO STACK
    DB    0FDH,0E5H
    ENDM
POPIX    MACRO            ;;POP IX OFF STACK
    DB    0DDH,0E1H
    ENDM
POPIY    MACRO            ;;POP IY OFF STACK
    DB    0FDH,0E1H
    ENDM
EXAF    MACRO            ;;EXCHANGE AF AND AF' REGS
    DB    08H
    ENDM
EXX    MACRO            ;;EXCHANGE BC AND BC'
    DB    0D9H        ;;         DE AND DE'
                ;;      HL AND HL'
    ENDM
XTIX    MACRO            ;;EXCHANGE TOP OF STACK WITH IX
    DB    0DDH,0E3H
    ENDM
XTIY    MACRO            ;;EXCHANGE TOP OF STACK WITH IY
    DB    0FDH,0E3H
    ENDM

LDI    MACRO            ;;LOAD MEMORY AT (H,L) TO MEMORY AT (D,E)
    DB    0EDH,0A0H    ;;  INC D,E   INC H,L  DEC B,C
    ENDM
LDIR    MACRO            ;;AS ABOVE REPEAT UNTIL B=0
    DB    0EDH,0B0H
    ENDM
LDD    MACRO            ;;LOAD MEMORY AT (H,L) TO MEMORY AT (D,E)
    DB    0EDH,0A8H    ;;  DEC H,L  DEC D,E  DEC B,C
    ENDM
LDDR    MACRO            ;;AS ABOVE REPEAT UNTIL B=0
    DB    0EDH,0B8H
    ENDM
CCI    MACRO            ;;COMPARE ACC WITH MEMORY AT (H,L)
    DB    0EDH,0A1H    ;;  INC H,L  DEC B,C  (P/V=0 IF B=0)
                ;;  (ACC=(H,L) IF Z=0)
    ENDM
CCIR    MACRO            ;;AS ABOVE REPEAT UNTIL (B,C) = 0 OR
                ;;    (A) = (H,L)
    DB    0EDH,0B1H
    ENDM
CCD    MACRO            ;;COMPARE ACC WITH MEMORY AT (H,L)
    DB    0EDH,0A9H    ;;  DEC H,L  DEC B,C
    ENDM
CCDR    MACRO            ;;AS ABOVE REPEAT UNTIL (BC) = 0 OR
                ;;    (A) = (H,L)
    DB    0EDH,0B9H
    ENDM
ADDX    MACRO    ?D        ;;ACC=ACC+CONTENTS OF MEMORY AT (IX+D)
    @CHK    ?D        ;;  ACC=ACC+((IX+D))
    DB    0DDH,86H,?D
    ENDM
ADDY    MACRO    ?D        ;;ACC=ACC+((IY+D))
    @CHK    ?D
    DB    0FDH,86H,?D
    ENDM
ADCX    MACRO    ?D        ;;ACC=ACC+((IX+D))+CARRY
    @CHK    ?D
    DB    0DDH,8EH,?D
    ENDM
ADCY    MACRO    ?D        ;;ACC=ACC+((IY+D))+CARRY
    @CHK    ?D
    DB    0FDH,8EH,?D
    ENDM
SUBX    MACRO    ?D        ;;ACC=ACC-((IX+D))
    @CHK    ?D
    DB    0DDH,96H,?D
    ENDM
SUBY    MACRO    ?D        ;;ACC=ACC-((IY+D))
    @CHK    ?D
    DB    0FDH,96H,?D
    ENDM
SBCX    MACRO    ?D        ;;ACC=ACC-((IX+D))-BORROW
    @CHK    ?D
    DB    0DDH,9EH,?D
    ENDM
SBCY    MACRO    ?D        ;;ACC=ACC-((IY+D))-BORROW
    @CHK    ?D
    DB    0FDH,9EH,?D
    ENDM
ANDX    MACRO    ?D        ;;AND ACC WITH CONTENTS OF MEMORY (IX+D)
    @CHK    ?D
    DB    0DDH,0A6H,?D
    ENDM
ANDY    MACRO    ?D        ;;AND ACC WITH CONTENTS OF MEMORY (IY+D)
    @CHK    ?D
    DB    0FDH,0A6H,?D
    ENDM
XORX    MACRO    ?D        ;;EXCLUSIVE OR THE ACC WITH CONTEMTS OF
    @CHK    ?D        ;;  MEMORY AT (IX+D)
    DB    0DDH,0AEH,?D
    ENDM
XORY    MACRO    ?D        ;;XOR ACC WITH CONTENTS OF MEMORY (IY+D)
    @CHK    ?D
    DB    0FDH,0AEH,?D
    ENDM
ORX    MACRO    ?D        ;;OR THE ACC WITH CONTENTS OF MEMORY (IX+D)
    @CHK    ?D
    DB    0DDH,0B6H,?D
    ENDM
ORY    MACRO    ?D        ;;OR ACC WITH CONTENTS OF MEMORY (IY+D)
    @CHK    ?D
    DB    0FDH,0B6H,?D
    ENDM
CMPX    MACRO    ?D        ;;COMPARE THE ACC WITH CONTENTS OF MEMORY
    @CHK    ?D        ;;  AT LOC (IX+D)
    DB    0DDH,0BEH,?D
    ENDM
CMPY    MACRO    ?D        ;;CMP ACC WITH CONTENTS OF MEMORY (IY+D)
    @CHK    ?D
    DB    0FDH,0BEH,?D
    ENDM
INRX    MACRO    ?D        ;;INC MEMORY CONTENTS AT (IX+D)
    @CHK    ?D
    DB    0DDH,34H,?D
    ENDM
INRY    MACRO    ?D        ;;INC MEMORY CONTENTS AT (IY+D)
    @CHK    ?D
    DB    0FDH,34H,?D
    ENDM
DCRX    MACRO    ?D        ;;DEC MEMORY CONTENTS AT (IX+D)
    @CHK    ?D
    DB    0DDH,035H,?D
    ENDM
DCRY    MACRO    ?D        ;;DEC MEMORY CONTENTS AT (IY+D)
    @CHK    ?D
    DB    0FDH,35H,?D
    ENDM
NEG    MACRO            ;;NEGATE ACC (2'S COMPLEMENT)
    DB    0EDH,44H
    ENDM
IM0    MACRO            ;;SET INTERRUPT MODE #0
    DB    0EDH,46H
    ENDM
IM1    MACRO            ;;SET INTERRUPT MODE #1 (RESTART 0038H)
    DB    0EDH,56H
    ENDM
IM2    MACRO            ;;SET INTERRUPT MODE #2
    DB    0EDH,5EH    ;;   RESTART AT LOC (INT REG I)(DEV SUPPLIED)
    ENDM
BC    EQU    0
DE    EQU    2
HL    EQU    4
IX    EQU    4
IY    EQU    4
DADC    MACRO    ?R        ;;DOUBLE ADD (H,L)=(H,L)+(RP)+CARRY
    DB    0EDH,?R*8+4AH
    ENDM
DSBC    MACRO    ?R        ;;DOUBLE SUB (H,L)=(H,L)-(RP)-CARRY
    DB    0EDH,?R*8+42H
    ENDM
DADX    MACRO    ?R        ;;DOUBLE ADD (IX)=(IX)+(RP)
    DB    0DDH,?R*8+09H
    ENDM
DADY    MACRO    ?R        ;;DOUBLE ADD (IY)=(IY)+(RP)
    DB    0FDH,?R*8+09H
    ENDM
INXIX    MACRO            ;;INC (IX)
    DB    0DDH,23H
    ENDM
INXIY    MACRO            ;;INC (IY)
    DB    0FDH,23H
    ENDM
DCXIX    MACRO            ;;DEC (IX)
    DB    0DDH,2BH
    ENDM
DCXIY    MACRO            ;;DEC (IY)
    DB    0FDH,2BH
    ENDM
BIT    MACRO    ?N,?R        ;;TEST BIT N IN REG R
    DB    0CBH,?N*8+?R+40H
    ENDM
SETB    MACRO    ?N,?R        ;;SET BIT N IN REG R
    DB    0CBH,?N*8+?R+0C0H
    ENDM
RES    MACRO    ?N,?R        ;;RESET BIT N IN REG R
    DB    0CBH,?N*8+?R+80H
    ENDM
BITX    MACRO    ?N,?D        ;;TEST BIT N IN MEMORY LOC (IX+D)
    @CHK    ?D
    DB    0DDH,0CBH,?D,?N*8+46H
    ENDM
BITY    MACRO    ?N,?D        ;;TEST BIT N IN MEMORY LOC (IY+D)
    @CHK    ?D
    DB    0FDH,0CBH,?D,?N*8+46H
    ENDM
SETX    MACRO    ?N,?D        ;;SET BIT N IN MEMORY LOC (IX+D)
    @CHK    ?D
    DB    0DDH,0CBH,?D,?N*8+0C6H
    ENDM
SETY    MACRO    ?N,?D        ;;SET BIT N IN MEMORY LOC (IY+D)
    @CHK    ?D
    DB    0FDH,0CBH,?D,?N*8+0C6H
    ENDM
RESX    MACRO    ?N,?D        ;;RESET BIT N IN MEMORY LOC (IX+D)
    @CHK    ?D
    DB    0DDH,0CBH,?D,?N*8+86H
    ENDM
RESY    MACRO    ?N,?D        ;;RESET BIT N IN MEMORY LOC (IY+D)
    @CHK    ?D
    DB    0FDH,0CBH,?D,?N*8+86H
    ENDM
JR    MACRO    ?N        ;;JUMP RELATIVE
    @CHECK  ?N
    DB    18H,?DD
    ENDM
JMPR    MACRO    ?N        ;;JUMP RELATIVE AS ABOVE
    @CHECK     ?N
    DB     18H,?DD
    ENDM
JRC    MACRO    ?N        ;;JUMP RELATIVE ON CARRY
    @CHECK    ?N
    DB    38H,?DD
    ENDM
JRNC    MACRO    ?N        ;;JUMP RELATIVE ON NOT CARRY
    @CHECK    ?N
    DB    30H,?DD
    ENDM
JRZ    MACRO    ?N        ;;JUMP RELATIVE ON ZERO
    @CHECK    ?N
    DB    28H,?DD
    ENDM
JRNZ    MACRO    ?N        ;;JUMP RELATIVE ON NOT ZERO
    @CHECK    ?N
    DB    20H,?DD
    ENDM
DJNZ    MACRO    ?N        ;;DEC B AND JUMP RELATIVE ON B NOT ZERO
    @CHECK    ?N
    DB    10H,?DD
    ENDM
PCIX    MACRO            ;;MOV IX INTO PROGRAM COUNTER
    DB    0DDH,0E9H
    ENDM
PCIY    MACRO            ;;MOV IY INTO PROGRAM COUNTER
    DB    0FDH,0E9H
    ENDM
RETI    MACRO            ;;RETURN FROM INTERRUPT (EI NOT ENABLED)
    DB    0EDH,4DH
    ENDM
RETN    MACRO            ;;RETURN FROM NON-MASKABLE INTERRUPT
    DB    0EDH,45H
    ENDM
RETEI    MACRO            ;;RETURN FROM INTERRUPT (EI ENABLED)
    DB    EI,0EDH,4DH
    ENDM
INP    MACRO    ?R        ;;GO TO INPUT PORT (SPECIFIED BY REG C)
    DB    0EDH,?R*8+40H    ;;    AND LOAD INTO REG R
    ENDM
OUTP    MACRO    ?R        ;;OUTPUT TO PORT (SPECIFIED BY REG C)
    DB    0EDH,?R*8+41H    ;;    FROM REG R
    ENDM
INI    MACRO            ;;LOAD MEMORY (H,L) WITH INPUT PORT
    DB    0EDH,0A2H    ;;    (SPECIFIED BY REG C)  INC H,L  DEC B
    ENDM
INIR    MACRO            ;;AS ABOVE REPEAT UNTIL B=0
    DB    0EDH,0B2H
    ENDM
IND    MACRO            ;;LOAD MEMORY (H,L) WITH INPUT PORT
    DB    0EDH,0AAH    ;;    (SPECIFIED BY REG C)   DEC H,L  DEC B
    ENDM
INDR    MACRO            ;;AS ABOVE REPEAT UNTIL B=0
    DB    0EDH,0BAH
    ENDM
OUTI    MACRO            ;;OUTPUT TO PORT (SPECIFIED BY REG C)
    DB    0EDH,0A3H    ;;    FROM MEMORY (H,L)  INC H,L  DEC B
    ENDM
OUTIR    MACRO            ;;AS ABOVE REPEAT UNTIL B=0
    DB    0EDH,0B3H
    ENDM
OUTD    MACRO            ;;OUTPUT TO PORT (SPECIFIED BY REG C)
    DB    0EDH,0ABH    ;;    FROM MEMORY (H,L)  DEC H,L  DEC B
    ENDM
OUTDR    MACRO            ;;AS ABOVE REPEAT UNTIL B=0
    DB    0EDH,0BBH
    ENDM
RLCR    MACRO    ?R        ;;ROTATE LEFT CIRCULAR REG R
    DB    0CBH, 00H + ?R
    ENDM
RLCX    MACRO    ?D        ;;ROTATE LEFT CIRCULAR CONTENTS OF MEMORY
                ;;    AT (IX+D)
    @CHK    ?D
    DB    0DDH, 0CBH, ?D, 06H
    ENDM
RLCY    MACRO    ?D        ;;ROTATE LEFT CIRCULAR CONTENTS OF MEMORY
                ;;    AT (IY+D)
    @CHK    ?D
    DB    0FDH, 0CBH, ?D, 06H
    ENDM
RALR    MACRO    ?R        ;;ROTATE ARITHMETIC LEFT REG R
    DB    0CBH, 10H+?R
    ENDM
RALX    MACRO    ?D        ;;ROTATE ARITHMETIC LEFT CONTENTS OF MEMORY
                ;;    AT (IX+D)
    @CHK    ?D
    DB    0DDH, 0CBH, ?D, 16H
    ENDM
RALY    MACRO    ?D        ;;ROTATE ARITHMETIC LEFT CONTENTS OF MEMORY
                ;;    AT (IY+D)
    @CHK    ?D
    DB    0FDH, 0CBH, ?D, 16H
    ENDM
RRCR    MACRO    ?R        ;;ROTATE RIGHT CIRCULAR REG R
    DB    0CBH, 08H + ?R
    ENDM
RRCX    MACRO    ?D        ;;ROTATE RIGHT CIRCULAR CONTENTS OF MEMORY
                ;;    AT (IX+D)
    @CHK    ?D
    DB    0DDH, 0CBH, ?D, 0EH
    ENDM
RRCY    MACRO    ?D        ;;ROTATE RIGHT CIRCULAR CONTENTS OF MEMORY
                ;;    AT (IY+D)
    @CHK    ?D
    DB    0FDH, 0CBH, ?D, 0EH
    ENDM
RARR    MACRO    ?R        ;;ROTATE ARITHMETIC RIGHT REG R
    DB    0CBH, 18H + ?R
    ENDM
RARX    MACRO    ?D        ;;ROTATE ARITHMETIC RIGHT CONTENTS OF MEMORY
                ;;    AT (IX+D)
    @CHK    ?D
    DB    0DDH, 0CBH, ?D, 1EH
    ENDM
RARY    MACRO    ?D        ;;ROTATE ARITHMETIC RIGHT CONTENTS OF MEMORY
                ;;    AT (IY+D)
    @CHK    ?D
    DB    0FDH, 0CBH, ?D, 1EH
    ENDM
SLAR    MACRO    ?R        ;;SHIFT LEFT ARITHMETIC REG R
    DB    0CBH, 20H + ?R
    ENDM
SLAX    MACRO    ?D        ;;SHIFT LEFT ARITHMETIC CONTENTS OF MEMORY
                ;;    AT(IX+D)
    @CHK    ?D
    DB    0DDH, 0CBH, ?D, 26H
    ENDM
SLAY    MACRO    ?D        ;;SHIFT LEFT ARITHMETIC CONTENTS OF MEMORY
                ;;    AT (IY+D)
    @CHK    ?D
    DB    0FDH, 0CBH, ?D, 26H
    ENDM
SRAR    MACRO    ?R        ;;SHIFT RIGHT ARITHMETIC REG R
    DB    0CBH, 28H+?R
    ENDM
SRAX    MACRO    ?D        ;;SHIFT RIGHT ARITHMETIC CONTENTS OF MEMORY
                ;;    AT (IX+D)
    @CHK    ?D
    DB    0DDH, 0CBH, ?D, 2EH
    ENDM
SRAY    MACRO    ?D        ;;SHIFT RIGHT ARITHMETIC CONTENTS OF MEMORY
                ;;    AT (IY+D)
    @CHK    ?D
    DB    0FDH, 0CBH, ?D, 2EH
    ENDM
SRLR    MACRO    ?R        ;;SHIFT RIGHT LOGICALLY REG R
    DB    0CBH, 38H + ?R
    ENDM
SRLX    MACRO    ?D        ;;SHIFT RIGHT LOGICALLY CONTENTS OF MEMORY
                ;;    AT (IX+D)
    @CHK    ?D
    DB    0DDH, 0CBH, ?D, 3EH
    ENDM
SRLY    MACRO    ?D        ;;SHIFT RIGHT LOGICALLY CONTENTS OF MEMORY
                ;;    AT (IY+D)
    @CHK    ?D
    DB    0FDH, 0CBH, ?D, 3EH
    ENDM
RLD    MACRO            ;;ROTATE NIBBLE LEFT & RIGHT BETWEEN ACC
    DB    0EDH, 6FH    ;;  AND CONTENTS AT (H,L)
    ENDM
RRD    MACRO            ;;ROTATE NIBBLE RIGHT & LEFT BETWEEN ACC
    DB    0EDH, 67H    ;;  AND CONTENTS AT (H,L)
    ENDM