pushstate nowarn res .lall W = 0 F = 1 Def0 macro name, opcode name macro dw opcode endm endm Def1 macro name, opcode name macro f:REQ dw (opcode) or ((f) and 0ffh) endm endm Def2 macro name, opcode name macro adr:REQ,d:REQ dw (opcode) or ((adr) and 7Fh) or (((d) and 1) shl 7) endm endm Def2o macro name, opcode name macro adr:REQ,bit:=<0> dw (opcode) or ((adr) and 3FFh) or (((bit) and 7) shl 7) endm endm Def0 NOP, 0000h Def0 RETURN,0008h Def0 RETFIE,0009h Def0 OPTION,0062h Def0 SLEEP, 0063h Def0 CLRWDT,0064h Def1 TRIS, 0060h Def1 MOVWF, 0080h Def1 CLRW, 0100h Def1 CLRF, 0180h Def2 SUBWF, 0200h Def2 DECF, 0300h Def2 IORWF, 0400h Def2 ANDWF, 0500h Def2 XORWF, 0600h Def2 ADDWF, 0700h Def2 MOVF, 0800h Def2 COMF, 0900h Def2 INCF, 0A00h Def2 DECFSZ,0B00h Def2 RRF, 0C00h Def2 RLF, 0D00h Def2 SWAPF, 0E00h Def2 INCFSZ,0F00h Def2o BCF, 1000h Def2o BSF, 1400h Def2o BTFSC, 1800h Def2o BTFSS, 1C00h Def1 MOVLW, 3000h Def1 RETLW, 3400h Def1 IORLW, 3800h Def1 ANDLW, 3900h Def1 XORLW, 3A00h Def1 SUBLW, 3C00h Def1 ADDLW, 3E00h CALL macro k dw 2000h or ((k - __zero) shr 1) endm JUMP macro k dw 2800h or ((k - __zero) shr 1) endm .ORG macro k org ((k) shr 1) endm .DB macro b:vararg IRP _,<b> retlw _ endm endm INDR = 0000h RTCC = 0001h PCL = 0002h STATUS = 0003h FSR = 0004h PORTA = 0005h PORTB = 0006h EEDATA = 0008h EEADR = 0009h PCLATH = 000Ah INTCON = 000Bh IRP _I_,< 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,18,19> SRAM&_I_ = (000Ch+_I_) ENDM IRP _I_,< 20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39> SRAM&_I_ = (000Ch+_I_) ENDM IRP _I_,< 40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59> SRAM&_I_ = (000Ch+_I_) ENDM IRP _I_,< 60,61,62,63,64,65,66,67> SRAM&_I_ = (000Ch+_I_) ENDM ; second bank OPTIO = 0001h TRISA = 0005h TRISB = 0006h EECON1 = 0008h EECON2 = 0009h DefBit macro name, address, bit name = (address and 7Fh) or ((bit and 7) shl 7) endm DefBit GIE, INTCON,7 DefBit T0IE, INTCON,5 DefBit INTE, INTCON,4 DefBit RBIE, INTCON,3 DefBit T0IF, INTCON,2 DefBit INTF, INTCON,1 DefBit RBIF, INTCON,0 DefBit NOT_RBPU, OPTIO,7 DefBit INTEDG, OPTIO,6 DefBit RTS, OPTIO,5 DefBit T0SS, OPTIO,5 DefBit RTE, OPTIO,4 DefBit T0SE, OPTIO,4 DefBit PSA, OPTIO,3 DefBit PS2, OPTIO,2 DefBit PS1, OPTIO,1 DefBit PS0, OPTIO,0 DefBit IRP_, STATUS,7 DefBit RP1, STATUS,6 DefBit RP0, STATUS,5 DefBit NOT_TO, STATUS,4 DefBit NOT_PD, STATUS,3 DefBit Z, STATUS,2 DefBit DC, STATUS,1 DefBit C, STATUS,0 SKIPNZ macro ;; skip if Z==0 btfsc Z endm SKIPZ macro ;; skip if Z==1 btfss Z endm SKIPNC macro ;; skip if C==0 btfsc C endm SKIPC macro ;; skip if C==1 btfss C endm SKIP0 macro bit ;; skip if bit==0 btfsc bit endm SKIP1 macro bit ;; skip if bit==1 btfss bit endm BRAKE macro local l1 jump l1 l1: endm JNZ macro k ;; jump if Z==0 skipz jump k endm JZ macro k ;; jump if Z==1 skipnz jump k endm JNC macro k ;; jump if C==0 skipc jump k endm JC macro k ;; jump if C==1 skipnc jump k endm J0 macro bit,k ;; jump if bit==0 btfss bit jump k endm J1 macro bit,k ;; jump if bit==1 btfsc bit jump k endm ; max delay is 1027 DELAY MACRO dtime:req ; fuck??? local l1 if (dtime) eq 0 elseif (dtime) eq 1 nop elseif (dtime) eq 2 brake elseif (dtime) eq 3 brake nop elseif (dtime) eq 4 brake brake elseif (dtime) eq 5 brake brake nop elseif (dtime) eq 6 brake brake brake elseif (dtime) eq 7 brake brake brake nop elseif (dtime) eq 8 brake brake brake brake elseif (dtime) eq 9 brake brake brake brake nop elseif ((dtime)/4) le 256 ;; n==FF dtime=4 ;; n==FE dtime=8 ;; n==00 dtime=1024 movlw 100h-((dtime)/4) ;; 1 l1: addlw -1 ;; 1 skipz ;; 1/2 jump l1 ;; 2 if ((dtime)mod 4) eq 1 nop elseif ((dtime)mod 4) eq 2 brake elseif ((dtime)mod 4) eq 3 brake nop endif else error endif ENDM DELAY_OLD MACRO dtime:req local l1,l2,l3,l4 if dtime eq 0 elseif dtime eq 1 nop elseif dtime eq 2 jump l1 l1: elseif dtime eq 3 jump l1 l1: nop elseif dtime eq 4 jump l1 l1: jump l2 l2: elseif dtime eq 5 jump l1 l1: jump l2 l2: nop elseif dtime eq 6 jump l1 l1: jump l2 l2: jump l3 l3: elseif dtime eq 7 jump l1 l1: jump l2 l2: jump l3 l3: nop elseif dtime eq 8 jump l1 l1: jump l2 l2: jump l3 l3: jump l4 l4: elseif dtime eq 9 jump l1 l1: jump l2 l2: jump l3 l3: jump l4 l4: nop elseif ((dtime-1)/3) le 255 movlw (dtime-1)/3 ;; 1 \ movwf TEMP_DELAY ;; 1 | l1: decfsz TEMP_DELAY,f ;; n*1 or 2 > (4+n*3) jump l1 ;; n*2 / if ((dtime-1)mod 3) eq 1 nop ;; 1 (6+n*3) elseif ((dtime-1)mod 3) eq 2 jump l2 ;; 2 (5+n*3) l2: endif else error endif ENDM popstate .model tiny .code __zero label byte |
file: /Techref/piclist/petrovwwwpic/masmpic.htm, 31KB, , updated: 2000/1/13 17:45, local time: 2024/8/31 18:20,
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Ashley Roll has put together a really nice little unit here. Leave off the MAX232 and keep these handy for the few times you need true RS232! |
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