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;(C)1991,92 Graphic Library V1.1 for UFO2
;Mednonogov V.S.
NOP_ EQU 0
OR_ EQU #B6
XOR_ EQU #AE
AND_ EQU #A6
NEG_ EQU #2F
PUSH$ MAC
PUSH HL
PUSH DE
PUSH BC
ENDM
POP$ MAC
POP BC
POP DE
POP HL
ENDM
PUTATR PUSH$
LD A,31
SUB L
JR C,RETPAT
INC A
CP B
JR C,PUTAT0
LD A,B
PUTAT0 SUB B
NEG
LD (PUTAT4+1),A
SUB B
NEG
LD (PUTAT2+1),A
LD A,H
RRCA
RRCA
RRCA
LD B,A
AND %11100000
OR L
LD L,A
LD A,B
AND %0000011
SELAT1 ADD A,#58
LD H,A
PUTAT1 LD A,H
SELAT2 CP #5B
JR NC,RETPAT
PUSH HL
PUTAT2 LD B,#FF
PUTAT3 LD A,(DE)
INC DE
LD (HL),A
INC HL
DJNZ PUTAT3
PUTAT4 LD HL,0
ADD HL,DE
EX DE,HL
POP HL
LD A,L
ADD A,%00100000
LD L,A
JR NC,PUTAT7
INC H
PUTAT7 DEC C
JR NZ,PUTAT1
RETPAT POP$
RET
PUTSIM PUSH$ ;HL(0-23,0-31)
LD A,31
SUB L
JR C,RETSIM
INC A
CP B
JP C, PUTSI0
LD A,B
PUTSI0 SUB B
NEG
LD (PUTSI4+1),A
SUB B
NEG
LD (PUTSI2+1),A
PUTSI1 LD A,H
CP 24
JR NC,RETSIM
PUSH HL
PUSH DE
EX DE,HL
CALL SCOORD
POP DE
PUTSI2 LD B,0
PUSH HL
PUTSI3 LD A,(DE)
INC DE
PUTSID OR (HL)
LD (HL),A
INC L
DJNZ PUTSI3
PUTSI4 LD HL,0
ADD HL,DE
EX DE,HL
POP HL
INC H
LD A,%00000111
AND H
JR NZ,PUTSI2
POP HL
INC H
DEC C
JR NZ,PUTSI1
RETSIM POP$
RET
PRINBT DEFB 0
PRINT PUSH AF
LD (PRINBT),A
LD A,D
CP 24
JR NC,RETPRI
PRIN2 LD A,E
CP 32
JR C,PRIN9
LD E,0
INC D
LD A,D
CP 24
JR NC,RETPRI
PRIN9 PUSH$
PRIN8 LD L,(HL)
LD H,0
ADD HL,HL
ADD HL,HL
ADD HL,HL
ADD HL,BC
PUSH HL
CALL SCOORD
POP DE
LD B,8
PRIN1 LD A,(DE)
PRINCD OR (HL)
LD (HL),A
INC DE
INC H
DJNZ PRIN1
POP$
INC HL
INC E
LD A,(PRINBT)
DEC A
LD (PRINBT),A
JR NZ,PRIN2
RETPRI POP AF
RET
GETSIM PUSH$
LD A,B
LD (GETSI2+1),A
GETSI1 PUSH HL
PUSH DE
EX DE,HL
CALL SCOORD
POP DE
GETSI2 LD B,0
PUSH HL
GETSI3 LD A,(HL)
LD (DE),A
INC DE
INC L
DJNZ GETSI3
POP HL
INC H
LD A,%00000111
AND H
JR NZ,GETSI2
POP HL
INC H
DEC C
JR NZ,GETSI1
POP$
RET
GETATR PUSH$
LD A,B
LD (GETAT2+1),A
LD A,H
RRCA
RRCA
RRCA
LD B,A
AND %11100000
OR L
LD L,A
LD A,B
AND %00000011
SELAT3 ADD A,#5B
LD H,A
GETAT2 LD B,#FF
PUSH HL
GETAT3 LD A,(HL)
LD (DE),A
INC DE
INC HL
DJNZ GETAT3
POP HL
GETAT6 LD A,L
ADD A, %00100000
LD L,A
JR NC,GETAT7
INC H
GETAT7 DEC C
JR NZ,GETAT2
POP$
RET
SELSCR LD (SCOSCR+1),A ;A-screen address
LD (BCOSCR+1),A
LD (PCOSCR+1),A
ADD A,#18
LD (SELAT1+1),A; A-attr address
LD (SELAT3+1),A
ADD A,3
LD (SELAT2+1),A
RET
PUTSPR PUSH$ ;(de)--(hl)(0-191,0-255):b*c
LD A,L
AND %00000111
LD (SHIFTS+1),A
LD A,L
AND %11111000
RRCA
RRCA
RRCA
LD L,A
LD A,B
PUTSP0 LD (PUTSP2+1),A
PUTSP2 LD B,0
LD A,H
CP %11000000
JR NC,RETPSP
PUSH HL
PUSH DE
EX DE,HL
CALL BCOORD
POP DE
PUTSP1 PUSH BC
XOR A
LD C,A
SHIFTS OR 0
LD B,A
LD A,(DE)
JR Z,PTSPD1
SHFTDO RRA
RR C
DJNZ SHFTDO
PTSPD1 OR (HL)
LD (HL),A
LD A,L
AND %00011111
CP %00011111
JR NC,PUTSP6
LD A,C
INC L
PTSPD2 OR (HL)
LD (HL),A
INC DE
POP BC
DJNZ PUTSP1
PUTSP3 POP HL
INC H
DEC C
JR NZ,PUTSP2
RETPSP POP$
RET
PUTSP6 POP BC
PUTSP7 INC DE
DJNZ PUTSP7
JR PUTSP3
BCOORD LD A,D ;de(0-191,0-31) -- hl
RRCA
RRCA
RRCA
AND %00011000
LD H,A
LD A,D
AND %00000111
ADD A,H
BCOSCR ADD A,%01000000
LD H,A
LD A,D
RLA
RLA
AND %11100000
OR E
LD L,A
RET
PUTSCR PUSH$ ;(de)--(hl)(0-191,0-31):b*c
LD A,31
SUB L
JR C,RETPTS
INC A
CP B
JR C,PUTSCB
LD A,B
PUTSCB SUB B
NEG
LD (PUTSC4+1),A
SUB B
NEG
LD (PUTSC2+1),A
PUTSC2 LD B,0
LD A,H
CP %11000000
JR NC,RETPTS
PUSH HL
PUSH DE
EX DE,HL
CALL BCOORD
POP DE
PUTSC1 LD A,(DE)
PUTSCD OR (HL)
LD (HL),A
INC DE
INC L
DJNZ PUTSC1
PUTSC4 LD HL,0
ADD HL,DE
EX DE,HL
POP HL
INC H
DEC C
JR NZ,PUTSC2
RETPTS POP$
RET
SCOORD LD A,D ;de(0-23,0-31)--hl
AND %00011000
SCOSCR ADD A,%01000000
LD H,A
LD A,D
RRCA
RRCA
RRCA
AND %11100000
OR E
LD L,A
RET
LINE PUSH$ ; line from p1(l,h) to p2(e,d)
PUSH IX
LD IX,DATA01
LD B,#15
LD C,#1D
LD A,E
SUB L
JR NC,M1LIN
NEG
EX DE,HL
M1LIN LD L,A
LD A,D
SUB H
JR NC,M2LIN
NEG
DEC B
M2LIN LD H,A
CP L
JR C,M3LIN
LD A,B
LD B,C
LD C,A
LD A,H
LD H,L
LD L,A
M3LIN LD A,B
LD (DEPENC),A
LD A,C
LD (INDEPC),A
PUSH DE
LD C,L
LD E,L
LD L,H
CALL DIVB
LD A,E
LD (SIMLIN+1),A
LD L,C
LD A,L
LD (LDLIN+1),A
LD A,D
LD (DECLIN+1),A
OR A
LD B,E
RR B
INC B
OR A
RR C
POP DE
INC L
JR L4LIN
SIMLIN LD B,#FF
L4LIN PUSH HL
CALL DOT
POP HL
INDEPC DEC D
DEC L
JR Z,RETLIN
LD A,C
DECLIN SUB #02
LD C,A
JR C,LDLIN
DJNZ L4LIN
DEPENC DEC E
JR SIMLIN
LDLIN ADD A,#FF
LD C,A
JR L4LIN
RETLIN POP IX
POP$
RET
PCOORD LD A,D ;de(0-191,0-255) -- hl
RRCA
RRCA
RRCA
LD L,A
AND %00011000
LD H,A
LD A,D
AND %00000111
ADD A,H
PCOSCR ADD A,%01000000
LD H,A
LD A,L
LD L,E
RRA
RR L
RRA
RR L
RRA
RR L
RET
DATA01 DEFB 128,64,32,16,8,4,2,1
OUTBT OR (HL)
LD (HL),A
RET
DOT LD A,D ;POINT(X:=E,Y:=D)
CP %11000000
RET NC
LD A,E
AND %00000111
LD (DCDOT+2),A
CALL PCOORD
DCDOT LD A,(IX+0)
DOTREG OR (HL)
LD (HL),A
RET
CHNGRG LD (OUTBT),A
LD (PUTSCD),A
LD (DOTREG),A
LD (PTSPD1),A
LD (PTSPD2),A
LD (PUTSID),A
LD (PRINCD),A
RET
PLOT PUSH IX ;*********PLOT E,D
PUSH HL
LD IX,DATA01
CALL DOT
POP HL
POP IX
RET
;MATHEMATICAL LIBRARY MATH-ZX
FREE16 DEFS 16
MULB2 PUSH HL ;HL*E--DE (C)
JR MULENT
MULB PUSH HL ;L*E--DE
LD H,0
MULENT LD A,E
LD E,0
LD D,E
JR MMULB2
MMULB1 ADD HL,HL
JR C,ENDMUL
MMULB2 OR A
JR Z,ENDMUL
RRA
JR NC,MMULB1
EX DE,HL
ADD HL,DE
EX DE,HL
JR MMULB1
ENDMUL POP HL
RET
MUL PUSH HL ;HL*DE--DE
XOR A
OR D
JR Z,MULENT
EX DE,HL
XOR A
OR D
JR Z,MULENT
SCF
POP HL
RET
DIVB LD D,0 ;E/L--E (MOD in D)
DIVB2 PUSH HL ;DE/L--E
PUSH BC
LD B,8
EX DE,HL
LD D,E
LD E,0
DIV1B OR A
RR D
RR E
SBC HL,DE
JR NC,MDIVB
ADD HL,DE
MDIVB RLA
DJNZ DIV1B
CPL
LD D,L
LD E,A
POP BC
POP HL
RET
SYMBOL PUSH HL;in L -sym.code
LD H,L
LD L,#21
LD (PRIN8),HL
CALL PRINT
LD HL,#266E
LD (PRIN8),HL
POP HL
RET
ATRBAR PUSH HL; A -ATTR
LD H,A
LD L,#3E
LD (PUTAT3),HL
POP HL
CALL PUTATR
PUSH HL
LD HL,#131A
LD (PUTAT3),HL
POP HL
RET
SIMBAR PUSH HL
LD H,A ; A-filled byte
LD L,#3E
LD (PUTSI3),HL
POP HL
CALL PUTSIM
PUSH HL
LD HL,#131A
LD (PUTSI3),HL
POP HL
RET
; GrLib end
ATR$ MAC
LD HL,=0
LD BC,=1
LD A,=2
CALL ATRBAR
ENDM
BYT$ MAC
LD HL,=0
LD BC,=1
LD A,=2
CALL SIMBAR
ENDM
SYM$ MAC
LD DE,=0
LD A,=1
LD L,=2
CALL SYMBOL
ENDM
CHN$ MAC
LD A,=0
CALL CHNGRG
ENDM