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10,7/kdpdpy/kmcmac.mac
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.TITLE KMCMAC - KMC11-B MACRO DEFINITIONS PREFIX FILE
.IDENT /V2.0/
;
; COPYRIGHT (C) 1978
; DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.
;
; THIS SOFTWARE IS FURNISHED UNDER A LICENSE FOR USE ONLY ON A
; SINGLE COMPUTER SYSTEM AND MAY BE COPIED ONLY WITH THE
; INCLUSION OF THE ABOVE COPYRIGHT NOTICE. THIS SOFTWARE, OR
; ANY OTHER COPIES THEREOF, MAY NOT BE PROVIDED OR OTHERWISE
; MADE AVAILABLE TO ANY OTHER PERSON EXCEPT FOR USE ON SUCH
; SYSTEM AND TO ONE WHO AGREES TO THESE LICENSE TERMS. TITLE
; TO AND OWNERSHIP OF THE SOFTWARE SHALL AT ALL TIMES REMAIN
; IN DEC.
;
; THE INFORMATION IN THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT
; NOTICE AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL
; EQUIPMENT CORPORATION.
;
; DEC ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF
; ITS SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DEC.
;
; DATE: 14-FEB-78
;
; VERSION: 2 KMC11-B
;
; DISTRIBUTED SYSTEMS SOFTWARE ENGINEERING
;
; LAST MODIFICATION:
; 8-MAR-78 FIX TYPO'S AND 4K CALL
; .NLIST
.SBTTL MICROPROCESSOR REGISTER DEFINITIONS
;
; INBUS* ASSIGNMENTS
;
INCON= 0!120000 ;IN CONTROL CSR
MAIN= 20!120000 ;MAINTAINANCE REGISTER
OCON= 40!120000 ;OUT CONTROL CSR
LINENM= 60!120000 ;LINE NUMBER
PORT1= 100!120000 ;CSR 4
PORT2= 120!120000 ;CSR 5
PORT3= 140!120000 ;CSR 6
PORT4= 160!120000 ;CSR 7
NPR= 200!120000 ;NPR CONTROL REGISTER
UBBR= 220!120000 ;MISC CONTROL REGISTER
PCLOW= 240!120000 ;PC LATCH REGISTER LOW BYTE
PCHGH= 260!120000 ;PC LATCH REGISTER HIGH 4 BITS
MARL= 300!120000 ;MAR LATCH REGISTER LOW BYTE
MARH= 320!120000 ;MAR LATCH REGISTER HIGH 5 BITS
BSEL0= 0!120000 ;BSEL0
BSEL1= 20!120000 ;BSEL1
BSEL2= 40!120000 ;BSEL2
BSEL3= 60!120000 ;BSEL3
BSEL4= 100!120000 ;BSEL4
BSEL5= 120!120000 ;BSEL5
BSEL6= 140!120000 ;BSEL6
BSEL7= 160!120000 ;BSEL7
; INBUS ASSIGNMENTS
INDAT1= 0!20000 ;INPUT DATA LOW BYTE
INDAT2= 20!20000 ;INPUT DATA HIGH BYTE
IODAT1= 40!20000 ;OUTPUT DATA LOW BYTE
IODAT2= 60!20000 ;OUTPUT DATA HIGH BYTE
IIBA1= 100!20000 ;INPUT BA LOW BYTE
IIBA2= 120!20000 ;INPUT BA HIGH BYTE
IOBA1= 140!20000 ;OUTPUT BA LOW BYTE
IOBA2= 160!20000 ;OUTPUT BA HIGH BYTE
XREG0= 200!20000 ;EXTERNAL DEVICE REGISTER 0
XREG1= 220!20000 ;EXTERNAL DEVICE REGISTER 1
XREG2= 240!20000 ;EXTERNAL DEVICE REGISTER 2
XREG3= 260!20000 ;EXTERNAL DEVICE REGISTER 3
XREG4= 300!20000 ;EXTERNAL DEVICE REGISTER 4
XREG5= 320!20000 ;EXTERNAL DEVICE REGISTER 5
XREG6= 340!20000 ;EXTERNAL DEVICE REGISTER 6
XREG7= 360!20000 ;EXTERNAL DEVICE REGISTER 7
; OUTBUS* ASSIGNMENTS
OINCON= 0!1000 ;IN CONTROL CSR
OMAIN= 1!1000 ;MAINTAINTANCE REGISTER
OOCON= 2!1000 ;OUT CONTROL CSR
OLINEN= 3!1000 ;LINE NUMBER
OPORT1= 4!1000 ;CSR 4
OPORT2= 5!1000 ;CSR 5
OPORT3= 6!1000 ;CSR 6
OPORT4= 7!1000 ;CSR 7
ONPR= 10!1000 ;NPR CONTROL
OBR= 11!1000 ;MISC CONTROL
OPCLOW= 12!1000 ;PC LATCH LOW BYTE
OPCHGH= 13!1000 ;PC LATCH HIGH
OMARL= 14!1000 ;MAR LATCH LOW
OMARH= 15!1000 ;MAR LATCH HIGH
OBSEL0= 0!1000 ;BSEL0
OBSEL1= 1!1000 ;BSEL1
OBSEL2= 2!1000 ;BSEL2
OBSEL3= 3!1000 ;BSEL3
OBSEL4= 4!1000 ;BSEL4
OBSEL5= 5!1000 ;BSEL5
OBSEL6= 6!1000 ;BSEL6
OBSEL7= 7!1000 ;BSEL7
; OUTBUS ASSIGNMENTS
OIDAT1= 0!2000 ;INPUT DATA LOW BYTE
OIDAT2= 1!2000 ;INPUT DATA HIGH BYTE
OUTDA1= 2!2000 ;OUTPUT DATA LOW BYTE
OUTDA2= 3!2000 ;OUTPUT DATA HIGH BYTE
IBA1= 4!2000 ;INPUT BA LOW BYTE
IBA2= 5!2000 ;INPUT BA HIGH BYTE
OBA1= 6!2000 ;OUTPUT BA LOW BYTE
OBA2= 7!2000 ;OUTPUT BA HIGH BYTE
OXREG0= 10!2000 ;EXTERNAL DEVICE REGISTER 0
OXREG1= 11!2000 ;EXTERNAL DEVICE REGISTER 1
OXREG2= 12!2000 ;EXTERNAL DEVICE REGISTER 2
OXREG3= 13!2000 ;EXTERNAL DEVICE REGISTER 3
OXREG4= 14!2000 ;EXTERNAL DEVICE REGISTER 4
OXREG5= 15!2000 ;EXTERNAL DEVICE REGISTER 5
OXREG6= 16!2000 ;EXTERNAL DEVICE REGISTER 6
OXREG7= 17!2000 ;EXTERNAL DEVICE REGISTER 7
; ALU FUNCTIONS
ADD= 0 ;ADD A+B
ADDC= 20 ;ADD WITH CARRY -> A+B+C
SUBC= 40 ;SUBTRACT WITH CARRY -> A-B-C
INCA= 60!BR ;INCREMENT A -> A+1 (DEFAULT SOURCE IS BRG)
APLUSC= 100!BR ;A PLUS CARRY -> A+C
TWOA= 120!BR ;A PLUS A -> A+A
TWOAC= 140!BR ;2*A PLUS CARRY -> A+A+C
DECA= 160!BR ;DECREMENT A -> A-1
SELA= 200!BR ;SELECT A
SELB= 220 ;SELECT B
AORNB= 240 ;A OR NOT B -> A!-B
AANDB= 260 ;A AND B -> A&B
AORB= 300 ;A OR B -> A!B
AXORB= 320 ;A XOR B
SUB= 340 ;SUBTRACT -> A-B
SUBOC= 360 ;SUBTRACT ONE'S COMPLEMENT -> A-B-1
; SCRATCH PAD DEFINITIONS
SP0=0
SP1=1
SP2=2
SP3=3
SP4=4
SP5=5
SP6=6
SP7=7
SP10=10
SP11=11
SP12=12
SP13=13
SP14=14
SP15=15
SP16=16
SP17=17
; INSTRUCTION PAGE DEFINITIONS
P0=0*4000 ;PAGE 0
P1=1*4000 ;PAGE 1
P2=2*4000 ;PAGE 2
P3=3*4000 ;PAGE 3
; NPR BIT DEFINITIONS
DATI=1 ;WORD INPUT NPR
DATIH=3 ;WORD INPUT NPR WITH BUS HOLD
DATO=21 ;WORD OUTPUT NPR
DATOH=23 ;WORD OUTPUT NPR WITH BUS HOLD
DATOB=221 ;BYTE OUTPUT NPR
DATOBH=223 ;BYTE OUTPUT NPR WITH BUS HOLD
.SBTTL MICRO-INSTRUCTION FIELD DEFINITIONS
; SOURCE FIELDS
IMM=0 ;IMMEDIATE
IBUS=20000 ;INPUT BUS
MEMX=40000 ;MEMORY
BR=60000 ;BRG
; DESTINATION FIELDS
WRTEBR=400 ;WRITE THE BRG
WROUTX=1000 ;EXTENDED OUTPUT BUS
SHFTBR=1400 ;SHIFT THE BRG
WROUT=2000 ;OUTPUT BUS
WRMEM=2400 ;MEMORY
SPX=3000 ;SCRATCH PAD
SPBRX=3400 ;SRATCH PAD AND BRG
; JUMP CONDITIONS
BRECON=0 ;JUMP EXTENDED
ALCOND=400 ;JUMP ALWAYS
CCOND=1000 ;JUMP IF ALU CARRY = 1
ZCOND=1400 ;JUMP IF ALU ZERO = 1
BR0CON=2000 ;JUMP IF BRG BIT 0 = 1
BR1CON=2400 ;JUMP IF BRG BIT 1 = 1
BR4CON=3000 ;JUMP IF BRG BIT 4 = 1
BR7CON=3400 ;JUMP IF BRG BIT 7 = 1
; MAR FIELDS
LDMAPG=4000 ;LOAD THE 4 MOST SIGNIFICANT BITS OF MAR
LDMAR=10000 ;LOAD THE 8 LEAST SIGNIFICANT BITS OF MAR
INCMAR=14000 ;INCREMENT MAR
;
MEMI=MEMX!INCMAR ;READ FROM MEMORY AND INCREMENT THE MAR
.SBTTL MICRO INSTRUCTION DEFINITIONS
.SBTTL BRANCH INSTRUCTIONS
;
JUMP=100000 ;JUMP OP CODE
;
;
.MACRO BREXT ADDRES ;JUMP ALWAYS EXTENDED
<JUMP!BRECON!<ADDRES-START&777/2>>
.ENDM
;
.MACRO ALWAYS ADDRES ;JUMP ALWAYS
<JUMP!ALCOND!<ADDRES-START&3000*4>!<ADDRES-START&777/2>>
.ENDM
;
.MACRO BR0 ADDRES ;JUMP IF BR0 SET
<JUMP!BR0CON!<ADDRES-START&3000*4>!<ADDRES-START&777/2>>
.ENDM
;
.MACRO BR1 ADDRES ;JUMP IF BR1 SET
<JUMP!BR1CON!<ADDRES-START&3000*4>!<ADDRES-START&777/2>>
.ENDM
;
.MACRO BR4 ADDRES ;JUMP IF BR4 SET
<JUMP!BR4CON!<ADDRES-START&3000*4>!<ADDRES-START&777/2>>
.ENDM
;
.MACRO BR7 ADDRES ;JUMP IF BR7 SET
<JUMP!BR7CON!<ADDRES-START&3000*4>!<ADDRES-START&777/2>>
.ENDM
;
.MACRO Z ADDRES ;JUMP IF Z BIT SET
<JUMP!ZCOND!<ADDRES-START&3000*4>!<ADDRES-START&777/2>>
.ENDM
;
.MACRO C ADDRES ;JUMP IF C BIT SET
<JUMP!CCOND!<ADDRES-START&3000*4>!<ADDRES-START&777/2>>
.ENDM
.SBTTL INDEXED BRANCH INSTRUCTIONS
;
; ! [IBUS,] ADRI !
; .<BRANCH> !--! [SRC,] FUNC [,SPN] !-- ,PN
; ! IMM, DATA !
;
; NOTE: BREXT DOES NOT USE THE PAGE FIELD
;
.MACRO .BREXT SRC,FUNC,SPLOC ;INDEXED JUMP ALWAYS EXTENDED
.IF NB,SPLOC
<JUMP!BRECON!SRC!FUNC!SPLOC>
.MEXIT
.ENDC
<JUMP!BRECON!SRC!FUNC>
.ENDM
;
.MACRO .ALWAY SRC,FUNC,SPLOC,OPARG1 ;INDEXED JUMP ALWAYS
.IF NB,OPARG1
<JUMP!ALCOND!SRC!FUNC!SPLOC!OPARG1>
.MEXIT
.ENDC
.IF NB,SPLOC
<JUMP!ALCOND!SRC!FUNC!SPLOC>
.MEXIT
.ENDC
<JUMP!ALCOND!SRC!FUNC>
.ENDM
;
.MACRO .BR0 SRC,FUNC,SPLOC,OPARG1 ;INDEXED JUMP ON BR0 SET
.IF NB,OPARG1
<JUMP!BR0CON!SRC!FUNC!SPLOC!OPARG1>
.MEXIT
.ENDC
.IF NB,SPLOC
<JUMP!BR0CON!SRC!FUNC!SPLOC>
.MEXIT
.ENDC
<JUMP!BR0CON!SRC!FUNC>
.ENDM
;
.MACRO .BR1 SRC,FUNC,SPLOC,OPARG1 ;INDEXED JUMP ON BR1 SET
.IF NB,OPARG1
<JUMP!BR1CON!SRC!FUNC!SPLOC!OPARG1>
.MEXIT
.ENDC
.IF NB,SPLOC
<JUMP!BR1CON!SRC!FUNC!SPLOC>
.MEXIT
.ENDC
<JUMP!BR1CON!SRC!FUNC>
.ENDM
;
.MACRO .BR4 SRC,FUNC,SPLOC,OPARG1 ;INDEXED JUMP ON BR4 SET
.IF NB,OPARG1
<JUMP!BR4CON!SRC!FUNC!SPLOC!OPARG1>
.MEXIT
.ENDC
.IF NB,SPLOC
<JUMP!BR4CON!SRC!FUNC!SPLOC>
.MEXIT
.ENDC
<JUMP!BR4CON!SRC!FUNC>
.ENDM
;
.MACRO .BR7 SRC,FUNC,SPLOC,OPARG1 ;INDEXED JUMP ON BR7 SET
.IF NB,OPARG1
<JUMP!BR7CON!SRC!FUNC!SPLOC!OPARG1>
.MEXIT
.ENDC
.IF NB,SPLOC
<JUMP!BR7CON!SRC!FUNC!SPLOC>
.MEXIT
.ENDC
<JUMP!BR7CON!SRC!FUNC>
.ENDM
;
.MACRO .Z SRC,FUNC,SPLOC,OPARG1 ;INDEXED JUMP ON Z BIT SET
.IF NB,OPARG1
<JUMP!ZCOND!SRC!FUNC!SPLOC!OPARG1>
.MEXIT
.ENDC
.IF NB,SPLOC
<JUMP!ZCOND!SRC!FUNC!SPLOC>
.MEXIT
.ENDC
<JUMP!ZCOND!SRC!FUNC>
.ENDM
;
.MACRO .C SRC,FUNC,SPLOC,OPARG1 ;INDEXED JUMP ON C BIT SET
.IF NB,OPARG1
<JUMP!CCOND!SRC!FUNC!SPLOC!OPARG1>
.MEXIT
.ENDC
.IF NB,SPLOC
<JUMP!CCOND!SRC!FUNC!SPLOC>
.MEXIT
.ENDC
<JUMP!CCOND!SRC!FUNC>
.ENDM
.SBTTL MOVE INSTRUCTIONS
;
MOVE=0 ;MOVE OPCODE
;
; B SIDE DESTINATION GROUP
; NODST ! ! [IBUS,] ADRI !
; BRWRTE !--! [SRC,] FUNC [,SPN] !--[,MAR]
; BRSHFT ! ! IMM,DATA !
; MEM !
;
; NOTE: NODST AND BRSHFT HAVE ZERO OPERAND FORMS EQUIVALENT TO IMM,0
;
.MACRO NODST SRC,FUNC,SPADDR,OPARG1 ;NO DESTINATION
.IF NB,OPARG1
<SRC!FUNC!SPADDR!OPARG1>
.MEXIT
.ENDC
.IF NB,SPADDR
.IIF IDN,SRC,IMM,<IMM!<FUNC&377>!SPADDR>
.IIF DIF,SRC,IMM,<SRC!FUNC!SPADDR>
.MEXIT
.ENDC
.IF NB,FUNC
.IIF IDN,SRC,IMM,<IMM!<FUNC&377>>
.IIF DIF,SRC,IMM,<SRC!FUNC>
.MEXIT
.ENDC
.IF NB,SRC
<SRC>
.MEXIT
.ENDC
<0>
.ENDM
;
.MACRO BRWRTE SRC,DATA,OPARG1,OPARG2 ;MOVE TO BR
.IF NB,OPARG2
<MOVE!WRTEBR!SRC!DATA!OPARG1!OPARG2>
.MEXIT
.ENDC
.IF NB,OPARG1
.IIF IDN,SRC,IMM,<MOVE!WRTEBR!IMM!<DATA&377>!OPARG1>
.IIF DIF,SRC,IMM,<MOVE!WRTEBR!SRC!DATA!OPARG1>
.MEXIT
.ENDC
.IIF IDN,SRC,IMM,<MOVE!WRTEBR!IMM!<DATA&377>>
.IIF DIF,SRC,IMM,<MOVE!WRTEBR!SRC!DATA>
.ENDM
;
.MACRO BRSHFT SRC,DATA,OPARG1,OPARG2 ;BR SHIFT RIGHT
.IF NB,OPARG2
<MOVE!SHFTBR!SRC!DATA!OPARG1!OPARG2>
.MEXIT
.ENDC
.IF NB,OPARG1
.IIF IDN,SRC,IMM,<MOVE!SHFTBR!IMM!<DATA&377>!OPARG1>
.IIF DIF,SRC,IMM,<MOVE!SHFTBR!SRC!DATA!OPARG1>
.MEXIT
.ENDC
.IF NB,DATA
.IIF IDN,SRC,IMM,<MOVE!SHFTBR!IMM!<DATA&377>>
.IIF DIF,SRC,IMM,<MOVE!SHFTBR!SRC!DATA>
.MEXIT
.ENDC
.IF NB,SRC
<MOVE!SHFTBR!SRC>
.MEXIT
.ENDC
<MOVE!SHFTBR>
.ENDM
;
.MACRO MEM SRC,DATA,OPARG1,OPARG2 ;MOVE TO MEMORY
.IF NB,OPARG2
<MOVE!WRMEM!SRC!DATA!OPARG1!OPARG2>
.MEXIT
.ENDC
.IF NB,OPARG1
.IIF IDN,SRC,IMM,<MOVE!WRMEM!IMM!<DATA&377>!OPARG1>
.IIF DIF,SRC,IMM,<MOVE!WRMEM!SRC!DATA!OPARG1>
.MEXIT
.ENDC
.IIF IDN,SRC,IMM,<MOVE!WRMEM!IMM!<DATA&377>>
.IIF DIF,SRC,IMM,<MOVE!WRMEM!SRC!DATA>
.ENDM
;
; SP DESTINATION GROUP
; SP ! ! [IBUS,] ADRI !
; SPBR !--! [SRC,] FUNC !--,SPN [,MAR]
; ! IMM, DATA !
;
.MACRO SP SRC,FUNC,SPLOC,OPARG1 ;LOAD SCRATCH-PAD
.IF IDN,SRC,IMM
.IIF NE,<FUNC&17>-SPLOC .ERROR ;ILLEGAL USE OF IMMEDIATE MODE
.ENDC
.IF NB,OPARG1
.IIF IDN,SRC,IMM,<MOVE!SPX!IMM!<FUNC&377>!SPLOC!OPARG1>
.IIF DIF,SRC,IMM,<MOVE!SPX!SRC!FUNC!SPLOC!OPARG1>
.MEXIT
.ENDC
.IF NB,SPLOC
.IIF IDN,SRC,IMM,<MOVE!SPX!IMM!<FUNC&377>!SPLOC>
.IIF DIF,SRC,IMM,<MOVE!SPX!SRC!FUNC!SPLOC>
.MEXIT
.ENDC
<MOVE!SPX!SRC!FUNC>
.ENDM
;
.MACRO SPBR SRC,FUNC,SPLOC,OPARG1 ;LOAD SP AND BR
.IF IDN,SRC,IMM
.IIF NE,<FUNC&17>-SPLOC .ERROR ;ILLEGAL USE OF IMMEDIATE MODE
.ENDC
.IF NB,OPARG1
.IIF IDN,SRC,IMM,<MOVE!SPBRX!IMM!<FUNC&377>!SPLOC!OPARG1>
.IIF DIF,SRC,IMM,<MOVE!SPBRX!SRC!FUNC!SPLOC!OPARG1>
.MEXIT
.ENDC
.IF NB,SPLOC
.IIF IDN,SRC,IMM,<MOVE!SPBRX!IMM!<FUNC&377>!SPLOC>
.IIF DIF,SRC,IMM,<MOVE!SPBRX!SRC!FUNC!SPLOC>
.MEXIT
.ENDC
<MOVE!SPBRX!SRC!FUNC>
.ENDM
;
; OUTBUS/OUTBUS* DESTINATION
; ! [IBUS,] ADRI !
; OUT !--! [SRC,] FUNC !--,ADRO [,MAR]
; ! IMM, DATA !
;
.MACRO OUT SRC,DATA,ADRO,OPARG1 ;WRITE TO OUTBUS/OUTBUS*
.IF IDN,SRC,IMM
.IIF NE,<DATA&17>-<ADRO&17> .ERROR ;ILLEGAL USE OF IMMEDIATE MODE
.ENDC
.IF NB,OPARG1
.IIF IDN,SRC,IMM,<MOVE!IMM!<DATA&377>!ADRO!OPARG1>
.IIF DIF,SRC,IMM,<MOVE!SRC!DATA!ADRO!OPARG1>
.MEXIT
.ENDC
.IF NB,ADRO
.IIF IDN,SRC,IMM,<MOVE!IMM!<DATA&377>!ADRO>
.IIF DIF,SRC,IMM,<MOVE!SRC!DATA!ADRO>
.MEXIT
.ENDC
<MOVE!SRC!DATA>
.ENDM
;
.MACRO OUTPUT SRC,DATA,ADRO,OPARG1 ;WRITE TO OUTBUS/OUTBUS*
.IF IDN,SRC,IMM
.IIF NE,<DATA&17>-<ADRO&17> .ERROR ;ILLEGAL USE OF IMMEDIATE MODE
.ENDC
.IF NB,OPARG1
.IIF IDN,SRC,IMM,<MOVE!IMM!<DATA&377>!ADRO!OPARG1>
.IIF DIF,SRC,IMM,<MOVE!SRC!DATA!ADRO!OPARG1>
.MEXIT
.ENDC
.IF NB,ADRO
.IIF IDN,SRC,IMM,<MOVE!IMM!<DATA&377>!ADRO>
.IIF DIF,SRC,IMM,<MOVE!SRC!DATA!ADRO>
.MEXIT
.ENDC
<MOVE!SRC!DATA>
.ENDM
;
; IMPLICIT MAR FUNCTION GROUP
; MEMINC ! ! [IBUS,] ADRI
; LDMA !--! [SRC,] FUNC [,SPN]
; LDMAP ! ! IMM, DATA
;
.MACRO MEMINC SRC,DATA,OPARG1 ;MOVE TO MEM, INCR MAR
.IF NB,OPARG1
<MOVE!WRMEM!INCMAR!SRC!DATA!OPARG1>
.MEXIT
.ENDC
.IIF IDN,SRC,IMM,<MOVE!WRMEM!INCMAR!IMM!<DATA&377>>
.IIF DIF,SRC,IMM,<MOVE!WRMEM!INCMAR!SRC!DATA>
.ENDM
;
.MACRO LDMA SRC,DATA,OPARG1 ;LOAD MEMORY ADDRESS REG
.IF NB,OPARG1
<MOVE!LDMAR!SRC!DATA!OPARG1>
.MEXIT
.ENDC
.IIF IDN,SRC,IMM,<MOVE!LDMAR!IMM!<DATA&377>>
.IIF DIF,SRC,IMM,<MOVE!LDMAR!SRC!DATA>
.ENDM
;
.MACRO LDMAP SRC,DATA,OPARG1 ;LOAD MEMORY PAGE NUMBER
.IF NB,OPARG1
<MOVE!LDMAPG!SRC!DATA!OPARG1>
.MEXIT
.ENDC
.IIF IDN,SRC,IMM,<MOVE!LDMAPG!IMM!<DATA/400>>
.IIF DIF,SRC,IMM,<MOVE!LDMAPG!SRC!DATA>
.ENDM
;
; GET ADDRESS GROUP
; BRADDR !
; BRADRE !--! LABEL [,MAR]
; MEMADR !
; MEMADE !
;
;
.MACRO BRADDR ADDRES,OPARG1 ;PUT ADDR (1 BYTE) IN BR
.IF NB,OPARG1
<MOVE!WRTEBR!<ADDRES-START&777/2>!OPARG1>
.IFF
<MOVE!WRTEBR!<ADDRES-START&777/2>>
.ENDC
.ENDM
;
.MACRO BRADRE ADDRES,OPARG1 ;PUT EXT ADDRES (UPPER 4 BITS) IN BR
.IF NB,OPARG1
<MOVE!WRTEBR!<ADDRES-START/1000&17>!OPARG1>
.IFF
<MOVE!WRTEBR!<ADDRES-START/1000&17>>
.ENDC
.ENDM
;
.MACRO MEMADR ADDRES,OPARG1 ;WRITE ADDRESS TO MEMORY
.IF NB,OPARG1
<MOVE!WRMEM!<ADDRES-START&777/2>!OPARG1>
.IFF
<MOVE!WRMEM!<ADDRES-START&777/2>>
.ENDC
.ENDM
;
.MACRO MEMADE ADDRES,OPARG1 ;WRITE EXTENDED ADDRESS TO MEMORY
.IF NB,OPARG1
<MOVE!WRMEM!<ADDRES-START/1000&17>!OPARG1>
.IFF
<MOVE!WRMEM!<ADDRES-START/1000&17>>
.ENDC
.ENDM
;
;
; OTHER MISC HANDY COMBINATIONS
;
;
.MACRO COMP SRC,SPADDR ;COMPARE SOURCE AND SP
<SUBOC!SRC!SPADDR>
.ENDM
;
.MACRO JMPEXT ADDRES ;LOAD PC PAGE AND BRANCH EXTENDED
BRADRE ADDRES
OUT BR,SELB,OPCHGH
BREXT ADDRES
.ENDM
;
.MACRO INCMA ;INCREMENT THE MAR
<INCMAR>
.ENDM
;
.MACRO BROTAT ;BR ROTATE
<MOVE!SHFTBR!SELB!BR>
.ENDM
;
.MACRO RSTATE ADDRES ;UPDATE RECIEVER STATE
MEMADR ADDRES
.ENDM
;
; SUBROUTINE CALLS
;
.MACRO CALLSB REG,ADDRES,BRGVAL ;SUBROUTINE CALL
DISP=<.-START>/2&377
.IF B BRGVAL
BRWRTE IMM,DISP+3
.IFF
BRWRTE IMM,DISP+4
.ENDC
SP BR,SELB,REG
.IIF NB,BRGVAL,BRWRTE IMM,BRGVAL
ALWAYS ADDRES
.ENDM
;
;
.MACRO CALLSR REG,ADDRES,RADDR,BRGVAL ;SUBROUTINE CALL WITH SPECIAL RETURN ADDRESS
BRADDR RADDR
SP BR,SELB,REG
.IIF NB,BRGVAL,BRWRTE IMM,BRGVAL
ALWAYS ADDRES
.ENDM
;
;
.MACRO RTNSUB REG,PAGE ;SUBROUTINE RETURN
.ALWAY SELA,REG,PAGE
.ENDM
;
; 4K SUBROUTINE CALL
; NOTE: TWO (2)!!! SP'S ARE USED IN THIS CALL (IE. REG,REG+1)
;
.MACRO CALLEX REG,ADDRES,BRGVAL ;SUBRTN CALL ACROSS 4K
DISP=<.-START>/2+6
.IIF NB,BRGVAL,DISP=DISP+1
RPAGE=DISP/400&17
SPAGE=<ADDRES-START>/1000&17
.IIF NE,<RPAGE/4>-<SPAGE/4>,DISP=DISP+2
BRWRTE IMM,<DISP/400&17>
SP BR,SELB,REG
BRWRTE IMM,<DISP&377>
SP BR,SELB,REG'+1
.IF EQ,<RPAGE/4>-<SPAGE/4>
.IIF NB,BRGVAL,BRWRTE IMM,BRGVAL
ALWAYS ADDRES
.IFF
BRWRTE IMM,SPAGE
OUT BR,SELB,OPCHGH
.IIF NB,BRGVAL,BRWRTE IMM,BRGVAL
BREXT ADDRES
.ENDC
.ENDM
;
;
.MACRO CALREX REG,ADDRES,RADDR,BRGVAL ;CALL W/RETURN ADR EXTENDED
BRADRE RADDR
SP BR,SELB,REG
BRADDR RADDR
SP BR,SELB,REG'+1
.IF EQ,<<.-START>&6000>-<<ADDRES-START>&6000>
.IIF NB,BRGVAL,BRWRTE IMM,BRGVAL
ALWAYS ADDRES
.IFF
BRADRP ADDRES
OUT BR,SELB,OPCHGH
.IIF NB,BRGVAL,BRWRTE IMM,BRGVAL
BREXT ADDRES
.ENDC
.ENDM
;
;
.MACRO RTNEX REG ;4K CALL RETURN
BRWRTE SELA,REG
OUT BR,SELB,OPCHGH
.BREXT SELA,REG'+1
.ENDM
; .LIST
START:
.PAGE