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Mesab.mu 2-Sep-78 17:21:54 Page 1 0 ________________________________________________________________ _ , ; Mesab.Mu - Registers, miscellaneous symbols and constants ; Last modified by Levin - July 5, 1978 9:08 AM , 0 ______ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ___________ _ , 0 ______ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ___________ _ ; Get standard Alto Definitions , 0 ______ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ___________ _ HAltoconsts23.mu; Mesab.mu 2-Sep-78 17:21:54 Page 2 , .----------------------------------------------.~----- ------------- ; R memories used by code in ROMO, correct to AltoCode23.Mu ;----------------------------------------------------------------- $NWW $R4; $CBA $R22; $AECL $R23; $SLC $R24; $MTEMP $R25; $HTAB $R26; $YPOS $R27; $DWA $R30; $CURX $R20; $CURDATA $R21; $R37 $R37; $ECNTR $R12; COUNT OF WORDS YET TO BE PROCESSED IN MAIN LOOP $EPNTR $R13; POINTS AT WORD BEFORE THE WORD NEXT TO BE PROCESSED $CLOCKTEMP $R11; $SAD $R5; $PC $R6; USED BY MEMORY INIT $ACO $R3; AC'S ARE BACKWARDS BECAUSE THE HARDWARE SUPPLIES , COMPLEMENT OF ADDRESS WHEN ADDRESSING FROM IR $AC1 $R2; $AC2 $Rl; $AC3 $RO; $XREG $R7; $CYRET $R5; Shares space with SAD. $CYCOUT $R7; Shares space with XREG. $XH $Rl0; $DWAX $R35; $MASK $R36; $MASK1 $RO; $YMUL $R2; HAS TO BE AN R-REG FOR SHIFTS $RETN $R2; $SKEW $R3; $TEMP $R5; $WIDTH $R7; $PLIER $R7; HAS TO BE AN R-REG FOR SHIFTS $DESTY $Rl0; $WORD2 $Rl0; $STARTBITSM1 $R35; $SWA $R36; $DESTX $R36; $LREG $R40; HAS TO BE R40 (COpy OF L-REG) $NLINES $R41; $RASTl $R42; $SRCX $R43; $SKMSK $R43; $SRCY $R44; $RAST2 $R44; $CONST $R45; $TWICE $R45; $HCNT $R46; $VINC $R46; $HINC $R47; $NWORDS $R50; $MASK2 $R51; WAS $R46; $DCBR $R34; $KNMAR $R33; $CKSUMR $R32; $KWDCT $R31; $KNMARW $R33; $CKSUMRW $R32; $KWDCTW $R31; $AudioWdCt $R71; $AudioData $R72; Mesab.mu 2-Sep-78 17:21:54 Page 3 "----------------------------------------------------------------- , ; Registers used by Mesa Emulat