Curt Vendel Posted June 3, 2004 Share Posted June 3, 2004 * SPHINX--SSCROLL.S *COARSE VERTICAL PRECEDES COARSE HORIZONTAL. CHAR MAP GENERATION IS STILL DONE *ON THE SAME FRAME AS COARSE VERTICAL ZERODEF RSEG CODED ZSTHPOS EQU $5A ;STARTING X POS OF CHAR MAP ZPALWID EQU $4B ;CHARACTER MAP LENGTH 21 BYTES * SUPER DUPER SCROLLING ROUTINE SCROLL LDA SCROLLS BEQ SCREND STA TEMP8 DEC TEMP8 SCROLLP JSR VSCROLL ;DO IT JSR HSCROLL ;DOIT NOSCROLL INC SCRLLCNT SCRNXT DEC TEMP8 BPL SCROLLP SCREND RTS * VSCROLL VSCROLL INC ZONEOFF ;INC ZONEOFF AND CHECK BNE NOT0 LDA #$4F ;RESTORE TOP DUMMY ZONES STA DLLIST ;HIGH AND LOW BYTES SHOULD BE SAME LDA #$48 STA DLLIST+3 LDA #$C0 ;ONE LINE OF ZONE 0 STA DLLIST+6 ;STORE IT LDA #H(DL0) STA DLLIST+7 LDA #L(DL0) STA DLLIST+8 LDA #$4F ;FULL ZONE 1 WITH NO DLI STA DLLIST+9 NOT0 LDA ZONEOFF ;CHECK FOR COARSE SCROLL CMP #15 BEQ COARSEV ORA #$C0 ;ZONEOFF IS HEIGHT OF ZONE0 STA DLLIST+6 ;OFFSET LDA ZONEOFF ;CALCULATE ZONE 11 STUFF FROM ZONEOFF CLC ADC #H(CHARS+$100) STA D11CBASE ;CHARBASE OF ZONE 11 LDA #14 SEC SBC ZONEOFF ORA #$C0 STA DLLIST+39 CMP #$C0 BNE MORETH1 ;HERE FOR ZONE HEIGHT OF 1 LDA #L(DLZ11A) ;SPECIAL DLI FOR ZONE HEIGHT OF 1 STA DLZDEST LDA #H(DLZ11A) STA DLZDEST+1 LDA DLLIST+42 AND #$7F STA DLLIST+42 RTS MORETH1 LDA #L(DLIZ11) ;REGULAR DLI FOR ZONE 11 STA DLZDEST LDA #H(DLIZ11) STA DLZDEST+1 LDA DLLIST+42 ORA #$80 STA DLLIST+42 RTS COARSEV LDY #$FF ;COARSE V SCROLL STY ZONEOFF INY STY KPTR0 STY KPTR1 LDA #$47 ;CHANGE TOP ZONE TO EIGHT OF BLANK STA DLLIST LDA #$48 ;ANOTHER ZONE OF 9 BLANK LINES STA DLLIST+3 LDA #$47 ;DLI TO SET UP PROPER COLOR STA DLLIST+6 ;MAKE THIRD ZONE 8 OF BLANK LDA #H(NULHDR) ;SET UP ITS BLANK HEADER STA DLLIST+7 LDA #L(NULHDR) STA DLLIST+8 LDA #$CF ;ZONE 1 GETS 16 LINES THIS TIME STA DLLIST+9 LDX #11 ;SHUFFLE CHAR MAPS VSCRLP LDA HIBYE,X STA KPTR1+1 LDA HIBYE-1,X STA KPTR0+1 LDY #4 LDA (KPTR0),Y ;HPOS STA (KPTR1),Y DEY DEY ;SKIP PALWIDTH LDA (KPTR0),Y ;HIGH BYTE CHAR MAP STA (KPTR1),Y DEY DEY ;SKIP W1 LDA (KPTR0),Y ;LOW BYTE CHAR MAP STA (KPTR1),Y DEX BPL VSCRLP LDX BAND ;GET NEXT BAND DEX BPL NEXBAND LDY NEWBLK ;GET NEW BLOCK IF NEEDED STY BLOCK INC NBFLAG LDX BANDTBL,Y ;6 IS MAXIMUM BAND NUMBER NEXBAND STX BAND LDY BLOCK ;GET NEW BLOCK NUMBER LDA MSKLFTLO,Y ;STUFF POINTERS TO LOAD NEW MASK STA KTEMP0 LDA MSKLFTHI,Y STA KTEMP1 ;(KTEMP0) POINTS TO MASKL TABLE FOR BLK LDA MSKMIDLO,Y STA KPTR0 ;(KPTR0) POINTS TO MASKM TABLE FOR BLK LDA MSKMIDHI,Y STA KPTR0+1 LDA MSKRITLO,Y STA KTEMP2 ;(KTEMP2) POINTS TO MASKR TABLE FOR BLK LDA MSKRITHI,Y STA KTEMP3 LDA BLKTBLLO,Y ;USE BLOCK TABLE AND TIMES33 TABLE TO LDX STUFFDEX ;GET POINTER TO CURRENT BAND AND MOVE STA PTRTBLLO,X ;POINTER TABLES USED FOR LOOKAHEAD LDA BLKTBLHI,Y STA PTRTBLHI,X LDY BAND LDA TIMES33,Y CLC ADC PTRTBLLO,X ;add to lo byte STA PTRTBLLO,X LDA PTRTBLHI,X ADC #0 STA PTRTBLHI,X LDA (KTEMP0),Y ;USE POINTERS TO STUFF MASK TABLE VALUE STA LEFTMASK,X ;INTO LOCATIONS CORRESPONDING TO CHAR LDA (KPTR0),Y STA MIDMASK,X LDA (KTEMP2),Y ;MAPS STA RIGTMASK,X INX TXA AND #$03 STA STUFFDEX ;THIS IS ADDRESS OF CHAR MAP IN ROM ;NOW WE HAVE TO COPY INTO RAM LDX BUFDEX LDA BUFFERLO,X STA KTEMP2 LDA BUFFERHI,X STA KTEMP3 DEX BPL OLDBUF LDX #11 OLDBUF STX BUFDEX LDY LOADFDEX ;COPY POINTER OF CHAR MAP FROM POINTER LDA PTRTBLLO,Y ;BUFFER TABLE INTO FROM POINTER STA KTEMP0 LDA PTRTBLHI,Y STA KTEMP1 INY TYA AND #$03 STA LOADFDEX LDY #32 COPYLOP LDA (KTEMP0),Y ;THIS COPIES CHAR MAP INTO RAM STA (KTEMP2),Y DEY BPL COPYLOP LDA #ZSTHPOS ;HEADER FOR NEW CHAR MAP STA DL0+4 LDA #ZPALWID ;PALLETTE WIDTH STA DL0+3 LDA KTEMP3 ;HIGH BYTE OF CHAR MAP STA DL0+2 LDA #$60 ;W1 STA DL0+1 LDA KTEMP2 ;LOW BYTE OF CHAR MAP STA DL0 LDA #H(CHARS) STA D11CBASE ;CBASE OF ZONE 11 LDA #$CF STA DLLIST+39 CMP #$C0 BNE MORETH1A ;HERE FOR ZONE HEIGHT OF 1 LDA #L(DLZ11A) ;ISN'T THIS THE SAME AS ABOVE STA DLZDEST LDA #H(DLZ11A) STA DLZDEST+1 LDA DLLIST+42 AND #$7F STA DLLIST+42 RTS MORETH1A LDA #L(DLIZ11) ;AND ISN'T THIS SIMILAR TO ABOVE STA DLZDEST LDA #H(DLIZ11) STA DLZDEST+1 LDA DLLIST+42 ORA #$80 STA DLLIST+42 RTS TIMES33 DB 0*33,1*33,2*33,3*33,4*33,5*33,6*33 BUFFERLO DB L(ZBUFF0),L(ZBUFF1),L(ZBUFF2),L(ZBUFF3),L(ZBUFF4),L(ZBUFF5) DB L(ZBUFF6),L(ZBUFF7),L(ZBUFF8),L(ZBUFF9),L(ZBUFFA),L(ZBUFFB) BUFFERHI DB H(ZBUFF0),H(ZBUFF1),H(ZBUFF2),H(ZBUFF3),H(ZBUFF4),H(ZBUFF5) DB H(ZBUFF6),H(ZBUFF7),H(ZBUFF8),H(ZBUFF9),H(ZBUFFA),H(ZBUFFB) HIBYE DB H(DL0),H(DL1),H(DL2),H(DL3),H(DL4),H(DL5),H(DL6),H(DL7) DB H(DL8),H(DL9),H(DL10),H(DL11) BANDTBL DB 6,6,3,2,3,2,3,2,6,3,2,3,2,6 * HSCROLL HSCROLL DEC DL0+4 ;DECREMENT HORIZONTAL POSITIONS DEC DL1+4 DEC DL2+4 DEC DL3+4 DEC DL4+4 DEC DL5+4 INC JERKOFF ;INCREMENT HOR SCROLL COUNTER LDA JERKOFF CMP #7 BEQ COARSEH DEC DL6+4 ;IF APPROPRIATE, DEC REST OF X POS'S DEC DL7+4 DEC DL8+4 DEC DL9+4 DEC DL10+4 DEC DL11+4 RTS COARSEH LDA #$FF ;COARSE H SCROLL STA JERKOFF LDA #0 ;ZERO OUT H POS'S STA DL6+4 STA DL7+4 STA DL8+4 STA DL9+4 STA DL10+4 STA DL11+4 INC DL6 ;INC START OF CHAR MAP INC DL7 INC DL8 INC DL9 INC DL10 INC DL11 RTS BLKTBLLO DB L(BLOCK0),L(BLOCK1),L(BLOCK2),L(BLOCK3),L(BLOCK4),L(BLOCK5) DB L(BLOCK6),L(BLOCK7),L(BLOCK8),L(BLOCK9),L(BLOCKA),L(BLOCKB) DB L(BLOCKC),L(BLOCKD) BLKTBLHI DB H(BLOCK0),H(BLOCK1),H(BLOCK2),H(BLOCK3),H(BLOCK4),H(BLOCK5) DB H(BLOCK6),H(BLOCK7),H(BLOCK8),H(BLOCK9),H(BLOCKA),H(BLOCKB) DB H(BLOCKC),H(BLOCKD) MSKLFTLO DB L(MASK0L),L(MASK1L),L(MASK2L),L(MASK3L),L(MASK4L),L(MASK5L) DB L(MASK6L),L(MASK7L),L(MASK8L),L(MASK9L),L(MASKAL),L(MASKBL) DB L(MASKCL),L(MASKDL) MSKLFTHI DB H(MASK0L),H(MASK1L),H(MASK2L),H(MASK3L),H(MASK4L),H(MASK5L) DB H(MASK6L),H(MASK7L),H(MASK8L),H(MASK9L),H(MASKAL),H(MASKBL) DB H(MASKCL),H(MASKDL) MSKMIDLO DB L(MASK0M),L(MASK1M),L(MASK2M),L(MASK3M),L(MASK4M),L(MASK5M) DB L(MASK6M),L(MASK7M),L(MASK8M),L(MASK9M),L(MASKAM),L(MASKBM) DB L(MASKCM),L(MASKDM) MSKMIDHI DB H(MASK0M),H(MASK1M),H(MASK2M),H(MASK3M),H(MASK4M),H(MASK5M) DB H(MASK6M),H(MASK7M),H(MASK8M),H(MASK9M),H(MASKAM),H(MASKBM) DB H(MASKCM),H(MASKDM) MSKRITLO DB L(MASK0R),L(MASK1R),L(MASK2R),L(MASK3R),L(MASK4R),L(MASK5R) DB L(MASK6R),L(MASK7R),L(MASK8R),L(MASK9R),L(MASKAR),L(MASKBR) DB L(MASKCR),L(MASKDR) MSKRITHI DB H(MASK0R),H(MASK1R),H(MASK2R),H(MASK3R),H(MASK4R),H(MASK5R) DB H(MASK6R),H(MASK7R),H(MASK8R),H(MASK9R),H(MASKAR),H(MASKBR) DB H(MASKCR),H(MASKDR) BLOCK0 Z0BAND0 DB 54,56,58,24,26,24,24,24,28,24,36,24,24,24,112,212,184 DB 184,184,184,184,184,184,184,194,150,82,24,40,42,24,24,28 Z0BAND1 DB 54,56,58,24,24,24,24,24,40,42,40,38,38,24,84,136,212,184 DB 184,184,184,184,184,184,184,184,196,24,24,24,26,38,24 Z0BAND2 DB 54,56,58,24,24,26,24,24,40,24,24,24,24,28,24,24,208,184,184 DB 184,184,184,184,184,184,184,184,184,110,24,40,24,24 Z0BAND3 DB 54,56,58,24,40,24,24,84,136,190,76,24,24,24,24,24,24,24,74,114 DB 176,188,184,184,184,184,184,184,184,184,110,24,24 Z0BAND4 DB 54,56,58,24,24,24,24,28,96,198,150,82,24,24,26,60,62,64,24,24 DB 24,24,24,74,114,176,188,184,184,184,184,184,110 Z0BAND5 DB 54,56,58,24,24,40,42,38,24,24,24,40,24,24,30,24,24,24,66,66 DB 62,64,24,26,24,24,24,24,208,184,184,184,184 Z0BAND6 DB 54,56,58,24,24,24,24,24,40,42,24,24,24,24,36,24,24,24,24,24 DB 24,24,66,70,24,24,24,42,40,112,212,184,184 MASK0L DB $FF DB $FF DB $FF DB $FE DB $FF DB $FF DB $FF MASK0M DB $FC DB $FC DB $FF DB $1F DB $0F DB $FF DB $FF MASK0R DB $00,$00,$00,$C0,$FF,$FF,$FF BLOCK1 Z1BAND0 DB 54,56,58,30,24,28,24,26,24,24,42,90,92,142,144,212,184 DB 184,184,184,184,184,184,194,146,148,82,28,24,42,40,38,24 Z1BAND1 DB 54,56,58,24,38,90,92,80,80,142,144,186,186,210,204,188 DB 184,184,184,184,184,184,184,194,150,82,24,36,24,40,40,42,38 Z1BAND2 DB 54,56,58,24,28,42,130,212,184,184,184,184,184,194,150,82 DB 24,118,188,184,184,194,150,128,188,196,24,26,38,40,24,28,24 Z1BAND3 DB 54,56,58,24,28,24,24,112,212,184,184,184,194,150,86,88 DB 24,26,42,112,212,194,150,82,42,24,208,110,28,24,24,26,30 Z1BAND4 DB 54,56,58,24,24,42,24,26,38,208,184,184,194,150,82,24 DB 26,42,90,92,136,210,150,82,30,24,26,24,208,110,34,24,24 Z1BAND5 DB 54,56,58,24,24,30,24,24,24,26,24,208,184,184,116,24 DB 42,90,92,136,212,184,184,196,30,24,24,24,24,26,118,110,42 Z1BAND6 DB 54,56,58,24,26,42,24,28,42,40,24,24,28,208,184,184 DB 206,186,186,212,184,184,184,184,194,120,24,26,24,26,24,28,42 MASK1L DB $FF DB $F8 DB $FC DB $FE DB $FF DB $FF DB $FF MASK1M DB $E0 DB $00 DB $00 DB $00 DB $81 DB $E1 DB $F8 MASK1R DB $00 DB $00 DB $80 DB $E0 DB $C0 DB $80 DB $00 BLOCK2 Z2BAND0 DB 54,56,58,24,26,24,24,24,24,90,92,80,80,142,144,184,184 DB 184,184,184,184,184,184,184,184,150,82,28,24,42,28,26,24 Z2BAND1 DB 54,56,58,24,90,92,80,80,142,144,212,184,184,184,184,184,184 DB 184,184,184,184,184,184,184,194,150,82,24,36,24,26,24,40 Z2BAND2 DB 54,56,58,28,102,104,160,114,176,204,146,148,138,174,184,184 DB 184,184,184,184,184,184,184,184,194,150,82,24,40,42,26,24,34 Z2BAND3 DB 54,56,58,24,98,100,88,24,40,42,24,34,24,84,136,212,184 DB 184,184,184,184,184,184,184,194,150,82,24,28,42,40,42,24 MASK2L DB $FF DB $F0 DB $F0 DB $F1 MASK2M DB $80 DB $00 DB $00 DB $F8 MASK2R DB $00,$00,$00,$00 BLOCK3 Z3BAND0 DB 54,56,58,24,26,24,66,68,62,64,24,24,84,80,140,184 DB 184,184,184,184,184,184,194,204,150,138,82,24,26,24,24,24,26 Z3BAND1 DB 54,56,58,24,26,24,28,24,40,24,66,70,24,112,212,184 DB 184,184,184,184,184,184,184,194,122,24,34,24,24,24,24,28,24 Z3BAND2 DB 54,56,58,24,28,24,24,24,24,42,38,40,24,84,136,212 DB 184,184,184,184,184,184,184,184,194,122,24,24,24,26,24,24,24 MASK3L DB $FF DB $FF DB $FF MASK3M DB $F0 DB $F8 DB $F8 MASK3R DB $00,$00,$00 BLOCK4 Z4BAND0 DB 54,56,58,24,24,24,40,24,24,90,92,80,80,142,144,184 DB 184,184,184,194,150,174,184,184,184,150,82,24,26,42,40,42,24 Z4BAND1 DB 54,56,58,24,24,24,24,24,24,112,186,212,184,184,184,184 DB 184,184,194,150,86,88,112,212,184,194,122,24,26,24,24,24,40 Z4BAND2 DB 54,56,58,24,24,24,26,24,24,24,24,208,184,184,184,184 DB 184,184,184,184,116,42,36,112,212,184,194,122,24,60,62,64,24 Z4BAND3 DB 54,56,58,60,62,64,26,30,24,26,28,24,24,208,184,184 DB 184,184,184,184,184,184,206,186,190,198,146,148,82,24,24,24,66 MASK4L DB $FF DB $FF DB $FF DB $FF MASK4M DB $80 DB $80 DB $E0 DB $F8 MASK4R DB $00,$00,$06,$00 BLOCK5 Z5BAND0 DB 54,56,58,24,26,40,42,24,24,26,24,28,84,80,140,212 DB 184,184,184,184,184,184,184,184,184,194,122,24,26,24,30,24,24 Z5BAND1 DB 54,56,58,24,24,24,24,24,38,30,24,24,26,84,202,184 DB 184,184,184,184,184,184,184,194,146,148,86,88,30,24,24,24,24 Z5BAND2 DB 54,56,58,24,26,24,34,24,24,24,40,24,24,84,140,212 DB 184,184,184,184,184,184,184,184,194,122,24,26,24,38,40,42,40 MASK5L DB $FF DB $FF DB $FF MASK5M DB $F0 DB $F8 DB $F8 MASK5R DB $00,$00,$00 BLOCK6 Z6BAND0 DB 54,56,58,24,28,40,38,24,24,30,24,26,30,36,24,24 DB 26,24,24,24,32,28,24,40,24,24,24,24,90,92,136,212,184 Z6BAND1 DB 54,56,24,60,62,64,24,26,24,40,38,28,24,24,24,90 DB 92,80,80,80,80,80,80,142,144,186,186,186,186,186,212,184,184 Z6BAND2 DB 54,56,58,24,42,26,66,68,68,62,64,24,40,90,92,142 DB 144,212,184,184,184,184,184,184,184,184,184,184,184,184,194 DB 146,148 Z6BAND3 DB 54,56,58,24,42,40,24,26,28,66,72,72,70,84,136,212 DB 184,184,184,184,184,184,184,184,194,146,148,138,138,138,138,86 DB 88 MASK6L DB $FF DB $FF DB $FF DB $FF MASK6M DB $FF DB $FE DB $F8 DB $F8 MASK6R DB $FF,$00,$00,$00 BLOCK7 Z7BAND0 DB 54,56,58,24,26,40,24,26,24,28,84,80,80,124,126,24 DB 26,24,24,36,24,26,24,40,42,24,90,92,80,142,144,212,184 Z7BAND1 DB 54,56,24,44,46,40,24,24,38,24,26,40,208,184,184,184 DB 206,180,182,124,126,24,24,90,92,80,142,144,212,194,146,148 DB 138 Z7BAND2 DB 54,56,58,24,24,48,50,52,24,24,24,40,24,112,212,184 DB 184,184,184,184,184,184,206,186,190,198,146,148,138,138,86,88 DB 24 MASK7L DB $FF DB $FF DB $FF MASK7M DB $C1 DB $F0 DB $F8 MASK7R DB $FF,$06,$00 BLOCK8 Z8BAND0 DB 54,56,58,24,24,26,24,28,24,30,24,24,30,24,26,24 DB 24,24,26,24,40,24,24,26,24,24,28,24,84,142,144,212,184 Z8BAND1 DB 54,56,58,84,136,186,186,190,76,24,24,24,26,24,24,28,24 DB 24,24,24,24,28,24,26,24,84,142,144,186,186,212,184,184 Z8BAND2 DB 54,56,84,142,144,212,194,150,86,88,24,26,24,30,24,24,24 DB 24,24,24,24,42,24,24,24,24,130,212,184,184,184,184,184 Z8BAND3 DB 54,56,58,96,198,204,146,148,82,24,42,24,24,24,24,24,60 DB 62,64,24,24,32,24,24,24,38,24,26,208,184,184,184,184 Z8BAND4 DB 54,56,58,24,24,24,34,24,24,38,24,24,24,40,24,24,40 DB 24,24,66,68,62,64,24,24,24,26,24,24,84,202,184,184 Z8BAND5 DB 54,56,58,24,24,26,24,24,26,40,24,24,32,24,24,24,38 DB 24,24,34,24,24,24,66,68,62,64,24,24,24,130,212,184 Z8BAND6 DB 54,56,58,24,24,36,24,24,40,24,24,30,24,24,24,24,24 DB 24,24,26,24,24,24,26,24,24,24,66,70,24,24,84,202 MASK8L DB $FF DB $E0 DB $C0 DB $E0 DB $FF DB $FF DB $FF MASK8M DB $FF DB $7F DB $3F DB $7F DB $FF DB $FF DB $FF MASK8R DB $FF,$FF,$FF,$FF,$FF,$FF,$FF BLOCK9 Z9BAND0 DB 54,56,58,40,24,24,24,26,24,24,24,26,24,24,40,24 DB 24,24,26,24,24,26,24,24,24,24,24,30,24,84,136,212,184 Z9BAND1 DB 54,56,58,26,24,24,24,36,24,24,24,28,24,24,36,24,24,24,42 DB 24,24,24,24,24,28,24,26,24,28,84,136,212,184 Z9BAND2 DB 54,56,58,24,24,24,24,24,42,24,24,24,24,26,24,24,24,24,36,24 DB 24,26,24,24,24,24,24,24,24,84,136,212,184 Z9BAND3 DB 54,56,58,24,26,24,24,28,24,24,24,40,24,24,24,24,26,24,24,24 DB 24,24,26,28,24,24,24,24,30,94,152,212,184 MASK9L DB $FF DB $FF DB $FF DB $FF MASK9M DB $FF,$FF,$FF,$FF MASK9R DB $FF,$FF,$FF,$FF BLOCKA ZABAND0 DB 54,56,58,24,24,24,26,84,142,144,186,134,60,62,64,24,40,84 DB 136,190,76,24,26,24,24,26,24,24,24,24,130,212,184 ZABAND1 DB 54,56,58,24,44,46,24,24,130,212,194,204,150,82,24,66,68,62 DB 64,74,138,82,24,26,24,24,24,24,24,84,142,144,212 ZABAND2 DB 54,56,58,24,24,24,48,50,52,24,74,86,88,24,24,26,24,28 DB 30,66,70,24,24,26,24,24,24,28,24,84,136,212,184 MASKAL DB $FE DB $FF DB $FF MASKAM DB $0F,$03,$C7 MASKAR DB $87,$E3,$FF BLOCKB ZBBAND0 DB 54,56,58,26,24,24,28,24,24,38,24,24,24,26,40,30,24,24,24,24 DB 24,24,24,36,24,30,24,24,90,92,136,212,184 ZBBAND1 DB 54,56,58,24,26,24,24,24,38,24,24,90,92,162,200,200,168,78,24 DB 24,30,24,24,30,90,92,142,144,186,186,212,184,184 ZBBAND2 DB 54,56,58,24,24,26,24,24,24,26,24,102,104,160,86,88,24,24,74 DB 170,166,24,24,84,142,144,198,204,146,148,174,184,184 ZBBAND3 DB 54,56,58,40,24,24,38,24,24,24,24,98,100,88,24,24,28,24,36 DB 24,24,24,164,172,106,108,86,88,24,84,142,144,212 MASKBL DB $FF DB $FF DB $FF DB $FF MASKBM DB $FF,$E0,$E0,$E3 MASKBR DB $FF,$3F,$C6,$FC BLOCKC ZCBAND0 DB 54,56,58,24,24,24,24,26,24,40,24,28,24,34,24,24,24,24,24 DB 30,26,24,130,132,78,24,40,42,24,84,136,212,184 ZCBAND1 DB 54,56,58,24,24,28,24,26,24,24,40,24,24,24,24,24,40,24,24 DB 40,26,24,80,154,198,204,158,24,26,94,152,212,184 ZCBAND2 DB 54,56,58,24,24,26,24,24,24,24,30,24,24,24,24,26,24,42,24 DB 42,24,24,24,24,74,82,24,42,38,84,136,212,184 MASKCL DB $FF DB $FF DB $FF MASKCM DB $FF,$FF,$FF MASKCR DB $FC,$FC,$FF BLOCKD ZDBAND0 DB 54,56,58,24,24,24,40,24,24,26,24,28,24,24,28,24,26,24,24 DB 24,24,90,92,78,24,26,24,46,92,142,144,212,184 ZDBAND1 DB 54,56,58,24,26,24,24,24,24,42,42,24,24,30,24,26,24,24,24 DB 90,92,142,144,212,184,206,186,186,190,146,148,114,112 ZDBAND2 DB 54,56,58,90,92,142,144,186,186,190,76,24,40,38,84,80,80,80 DB 80,142,144,212,184,184,184,194,146,148,138,138,82,26,24 ZDBAND3 DB 54,56,58,24,130,212,184,194,146,148,86,88,24,26,24,130,212 DB 184,184,184,184,184,184,184,184,194,150,82,24,26,24,28,24 ZDBAND4 DB 54,56,58,24,24,26,156,204,150,82,24,24,28,24,24,84,136,212 DB 184,184,184,184,184,184,184,194,150,82,24,28,24,24,30 ZDBAND5 DB 54,56,58,24,26,24,36,30,24,24,30,24,24,24,24,24,96,198,188 DB 184,184,194,204,204,204,146,148,82,24,24,40,42,34 ZDBAND6 DB 54,56,58,24,40,24,24,24,28,38,24,24,42,40,26,32,24,24,26 DB 24,74,138,138,82,24,26,24,36,24,84,142,144,186 MASKDL DB $FF DB $FF DB $E0 DB $F0 DB $FC DB $FF DB $FF MASKDM DB $FF,$FF,$1C,$0E,$3E,$FF,$FF MASKDR DB $F9,$E0,$00,$00,$00,$00,$F0 END * SPHINX--SSUBRS.S * IF YOU DON'T KNOW WHERE TO PUT SOMETHING, PUT IT IN THIS MODULE ZERODEF RSEG CODEF *PROGRAMMERS BEWARE: THIS CODE IS OLD AND VERY UGLY! TAMPER AT YOUR OWN RISK * * ADDSCORE *ASSUMES LOW DIGIT IN TENS, MIDDLE DIGIT IN HUNDS AND HIGH DIGIT IN HUNTHOUS *ASSUMES PLAYER HAS 0 FOR PLAYER 0 AND A 1 FOR PLAYER 1. RESETS ALL VALUES TO 0 *PRESERVES A,X & Y REGISTERS ADDSCORE BIT AUTOPLAY ;IF AUTOPLAY THEN PUNT BMI ZPUNTSCR SED PHA ;ISN'T IT A WASTE FOR THIS TO SAVE A TXA ;AND THE REST OF THEM PHA TYA PHA LDX PLAYER LDY PLAYER ;VERY NON-OPTIMAL BEQ PLAYER1 LDX #1 LDY #PL2SCORE-PL1SCORE PLAYER1 LDA PL1SCORE+3,Y CLC ADC TENS STA PL1SCORE+3,Y LDA PL1SCORE+2,Y ADC HUNDS STA PL1SCORE+2,Y BCC NOINCLIV INC PL1LIVES,X PHP ;SAVE CARRY AND DECIMAL CLD ;CLEAR DECIMAL FOR TUNIN LDA #XLPOWER JSR TUNIN PLP ;RESTORE CARRY AND DECIMAL NOINCLIV LDA PL1SCORE+1,Y ADC HUNTHOUS STA PL1SCORE+1,Y CLD LDA #0 STA TENS STA HUNDS STA HUNTHOUS PLA TAY PLA TAX PLA ZPUNTSCR RTS ; LDLIVES LOADS UP THE EXTRA LIVES DISPLAY LDLIVES ;GOOD CANDIDATE FOR CRUNCHING LDX #9 ;MORE ROM INTENSIVE THAN NEED BE LDY PL1LIVES LDA PLAYER BEQ USELESS INY USELESS DEY BEQ DIETCOKE BMI DIETCOKE LDA #L(XTRA) CPY #7 ;6 IS MAXIMUM BCC PEPPER LDY #6 ;SEVEN LIVES MAX TO BE ON SCREEN PEPPER STA PL1LVMAP,X DEX DEY BNE PEPPER CPX #$FF BEQ DEW DIETCOKE LDA #L(BLANKCHR) ;FILLS IN BLANKS STA PL1LVMAP,X DEX BPL DIETCOKE DEW LDY #0 LDX PL2LIVES ;Y IS ZERO LDA PLAYER BNE USELESS2 INX USELESS2 DEX BEQ BARLHEAD BMI BARLHEAD LDA #L(XTRA) CPX #7 BCC MELOYELO LDX #6 MELOYELO STA PL2LVMAP,Y INY DEX BNE MELOYELO CPY #6 BEQ WITEROCK BARLHEAD LDA #L(BLANKCHR) STA PL2LVMAP,Y INY CPY #6 BNE BARLHEAD WITEROCK RTS ; ; LDSCORE LOADS UP SCORE DISPLAY FOR SCORE BYTES LDSCORE LDX #5 ;SIX DIGITS LDY #3 ;FOUR BYTES PEPSI LDA PL1SCORE,Y ;GET LOW TWO DIGITS OF PL0'S SCORE PHA ;SAVE AWAY AND #$0F ;GET BOTTOM NIBBLE ; CLC ;MULTIPLY BY TWO TO GET NUM IN CHAR MAP ; ADC #L(NUMBERS) ;MAY BE UNNECESSARY STA TEMP0,X ;STORE AWAY FOR LATER DEX PLA ;GET BACK LOW BYTE AND GET NEXT DIGIT AND #$F0 LSR A LSR A LSR A LSR A ; CLC ; ADC #L(NUMBERS) STA TEMP0,X DEX DEY BPL PEPSI ;DO UNTIL ALL 6 DIGITS (3 BYTES) ARE ;LOADED LDA #$69 ;SET OVERFLOW ADC #$69 LDX #0 ;THIS ELIMINATES LEADING ZEROES LDA #L(BLANKCHR) SPRITE LDY TEMP0,X BVC NOMORE0 CPY #L(NUMBERS) BNE NOMORE0 STA PL1MAP+4,X JMP NEXEX NOMORE0 TYA STA PL1MAP+4,X CLV NEXEX INX CPX #6 BNE SPRITE TYA BNE NOSTUF0 LDA #0 ;IF ZERO IS LEAST SIGNIFICANT DIGIT STA PL1MAP+9 ;THEN DISPLAY IT NOSTUF0 LDX #0 ;PLAYER 1 NOW LDY #1 ;LEFT JUSTIFY AND BLANK LEADING ZEROES ZJM3 LDA PL2SCORE,Y PHA AND #$F0 BNE REAL PLA AND #$0F BNE REAL2 INY CPY #4 BNE ZJM3 LDA #L(NUMBERS) ;ALL MUST BE ZERO STA PL2MAP RTS COKE LDA PL2SCORE,Y ;MUST BE NONZERO NUMBER BY NOW PHA ;IN HIGH DIGIT OF BYTE AND #$F0 REAL LSR A LSR A LSR A LSR A ; CLC ;YEA ITS CLEAR ; ADC #L(NUMBERS) STA PL2MAP,X INX PLA REAL2 AND #$0F ;MUST BE NONZERO NUMBER BY NOW IN ; ASL A ;LOW DIGIT ; CLC ; ADC #L(NUMBERS) STA PL2MAP,X INX CRUSH INY CPY #4 BNE COKE TAB CPX #10 BEQ ARECEE LDA #L(BLANKCHR) STA PL2MAP,X INX BPL TAB ;ALWAYS POSITIVE ARECEE RTS ****************************************** * SPHINX--SLOADER.S * ****************************************** LDDONE LDA #0 ;STORE ZEROES AT END OF DLISTS TAX ;TRADE ROM FOR TIME LDY #1 ;TWO ZEROS EACH STA (ZNDLPOS,X) STA (ZNDLPOS),Y STA (ZNDLPOS+2,X) STA (ZNDLPOS+2),Y STA (ZNDLPOS+4,X) STA (ZNDLPOS+4),Y STA (ZNDLPOS+6,X) STA (ZNDLPOS+6),Y STA (ZNDLPOS+8,X) STA (ZNDLPOS+,Y STA (ZNDLPOS+10,X) STA (ZNDLPOS+10),Y STA (ZNDLPOS+12,X) STA (ZNDLPOS+12),Y STA (ZNDLPOS+14,X) STA (ZNDLPOS+14),Y STA (ZNDLPOS+16,X) STA (ZNDLPOS+16),Y STA (ZNDLPOS+18,X) STA (ZNDLPOS+18),Y STA (ZNDLPOS+20,X) STA (ZNDLPOS+20),Y STA (ZNDLPOS+22,X) STA (ZNDLPOS+22),Y LDA #5 ;THIS SHOULD ADJUST HIGH BYTES OF STA ZNDLPOS+22 ;HEADERS IN LAST ZONE TO MAKE UP FOR LDA ZONEOFF ;SCROLLING ;THE 5 IN ZNDLPOS IS FOR CHAR MAP CLC ADC #1 STA KTEMP10 ;THIS NUMBER REFLECTS ZONEOFF'S EFFECT LDY #2 ;Y IS 2 SO THAT IT FALLS INTO LOOP ;CORRECTLY HACKKKK DEY ;Y = 1 FOR PALWIDTH LDA (ZNDLPOS+22),Y ;IF PW IS ZERO, END OF DISPLAY LIST BEQ THATSALL INY ;LOOK AT HIGH BYTE LDA (ZNDLPOS+22),Y CLC ADC KTEMP10 ;ADD THE MAGIC CONSTANT STA (ZNDLPOS+22),Y LDA ZNDLPOS+22 ;ADD FOUR TO ZNDLPOS TO GET NEXT HEADER CLC ADC #4 STA ZNDLPOS+22 BNE HACKKKK ;JMP THATSALL LDA #0 ;THIS MEANS WE MADE IT THROUGH LOADER STA FUCKFLAG NOLODE RTS LOADER LDA #$80 ;THIS MEANS WE STARTED LOADER STA FUCKFLAG LDA #5 ;SET LOW BYTE OF DL POINTERS TO 5 STA ZNDLPOS ;THIS ALLOCATES SPACE USED FOR CHAR MAP STA ZNDLPOS+2 STA ZNDLPOS+4 STA ZNDLPOS+6 STA ZNDLPOS+8 STA ZNDLPOS+10 STA ZNDLPOS+12 STA ZNDLPOS+14 STA ZNDLPOS+16 STA ZNDLPOS+18 STA ZNDLPOS+20 STA ZNDLPOS+22 LDA ZONEOFF ;MAKE KTEMP10 RANGE FROM F1 TO 00 SEC SBC #14 STA KTEMP10 ;THIS IS LIKE NEGATIVE ZONEOFF LDY LOWEST ;FOLLOW LINKED LIST TO LOAD LDLOOP BPL CYCLES JMP LDDONE CYCLES CPY #ZREF0 BCS LDNEXT ;PUNT OUT ON REF. POINTS LDA HPTBL,Y CMP #160 BCC FINEHORZ CMP #-36 BCC LDNEXT FINEHORZ LDA VPTBL,Y ;VERT POS, RANGING FROM F1 TO #SCRENBOT CMP #-15 ;TALK TO JEM ABOUT THIS ONE GRRRR! BCS LOADY CMP #SCRENBOT BCS LDNEXT LOADY SEC SBC KTEMP10 ;THIS IS LIKE ADDING 16 FOR ZONEOFF UV ;FF OR ADDING 1 FOR ZONEOFF OF E ;OR ANYTHING IN BETWEEN. STA KTEMP1 ;THE RESULT GOES INTO KTEMP1 CMP #-15 ;SEE IF TOP ZONE WOULD BE NEGATIVE BCS PUNTTOP ;IT TAKES THIS ON F1 THROUGH FF AND #$F0 ;CARRY SHOULD BE CLEAR ;IF SOMEHOW WE FALL THROUGH HERE THEN... LSR A ;THIS PICKS OUT ZONE NUMBER X2 FOR LSR A ;INDIRECT INDEXING BY X LSR A TAX LDA ZNDLPOS,X CMP #75 ;IF 75 OR BIGGER, WE CAN'T FIT A 4 BCS LDNEXT ;BYTE HEADER AND TWO ZEROS, SO PUNT LDA SLTBL,Y ;LOAD AND STORE LOWBYTE STA (ZNDLPOS,X) INC ZNDLPOS,X LDA PWTBL,Y ;LOAD AND STORE PALWIDTH STA (ZNDLPOS,X) INC ZNDLPOS,X LDA KTEMP1 ;THIS IS POSITIVE AND NONZERO ;SOOOO, WE ARE ALWAYS ADDING AT LEAST 1 TO THE HIGH BYTES AND #$F CLC ;CARRY SHOULD BE CLEAR FROM SHIFTS ADC SHTBL,Y ;ADD TO HIGH BYTE CMP SMTBL,Y ;COMPARE TO THE MAGIC NUMBER STA KTEMP1 ;REPLACE OLD KTEMP1 (THIS IS WHY WE ;AND WITH F ABOVE) I DON'T SEE WHY THIS ;WOULD EVER WORK STA (ZNDLPOS,X) ;STORE INTO HIGH BYTE INC ZNDLPOS,X LDA HPTBL,Y ;LOAD AND STORE HPOS STA (ZNDLPOS,X) INC ZNDLPOS,X DOBOTTOM BCC LDNEXT ;IF HIGH BYTE IS LESS THAN MAGIC NUMBER INX ;THEN DON'T DO NEXT ZONE INX CPX #24 ;ALSO PUNT IF OFF BOTTOM OF SCREEN BCS LDNEXT ;FALLS IN NEXT ZONE ALSO? HEREOJ LDA ZNDLPOS,X ;DON'T WANT TO FILL ZONE CMP #75 BCS LDNEXT LDA SLTBL,Y ;CARRY IS CLEAR STA (ZNDLPOS,X) ;LOAD AND STORE LOW BYTE INC ZNDLPOS,X LDA PWTBL,Y ;LOAD AND STORE PALWIDTH STA (ZNDLPOS,X) INC ZNDLPOS,X LDA KTEMP1 ;LOAD IN LAST ZONES HIGH BYTE ; SEC ;CARRY IS CLEAR AND THEREFORE SBC #15 ;SUBTRACT 16-1 = 15 STA (ZNDLPOS,X) ;SUBTRACT 16 FOR THIS ZONE'S HI BYTE INC ZNDLPOS,X LDA HPTBL,Y ;LOAD AND STORE H POS STA (ZNDLPOS,X) INC ZNDLPOS,X LDNEXT LDA RLTBL,Y ;FOLLOW RIGHT LINK TAY JMP LDLOOP PUNTTOP ;HERE THE OBJECT STARTS OFF SCREEN AND FALLS OVER INTO ZONE 0 ;KTEMP1 IS IN A ALREADY ; LDA KTEMP1 ;GET NEW HIGH BYTE FROM KTEMP1 AND #$F CLC ADC SHTBL,Y ;CHECK FOR OVERLAP INTO NEXT ZONE CMP SMTBL,Y ;COMPARE TO MAGIC NUMBER STA KTEMP1 ;STORE BACK TO KTEMP1 FOR NEXT ZONE BCC LDNEXT LDX0 LDX #0 ;ZONE FF WRAPS TO ZONE 0 BEQ HEREOJ ;JMP END Quote Link to comment Share on other sites More sharing options...
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