MOUSE2 ASM ;
;*** haftmann#software ***
;*** MOUSE2 f}r 2 V.24-Module***
;*** voll verschieblich ***
;*** 10.04.92 ***
OS EQU 0F003H
RC EQU 0F00FH
ORG 3000H
ISRD
DEFB 14H ;SCHACHT1
DEFB 14H ;SCHACHT2
DEFB 9 ;SIOADR
DEFB 0 ;EMPFANGSBYTENR
DEFB 7 ;TASTENSTATI
DEFB 0F6H ;USERTASTE
DEFB 0 ;FREIGABE
DEFB 8 ;MICKEY X
DEFB 10H ;STEP X
DEFB 8 ;MICKEY Y
DEFB 10H ;STEP Y
ISR
PUSH AF
PUSH HL
PUSH DE
PUSH BC
;
CALL RC
DEFW 0
NEXT POP HL
LD DE,ISRD-NEXT
ADD HL,DE ;Datenzeiger
LD B,M
LD C,80H
XOR A
OUT (C),A ;M003 (1) aus
INC HL
LD B,M
INC A
OUT (C),A ;M003 (2) ein
PUSH HL
;
INC HL
LD C,M ;SIOADR
IN D,(C) ;Byte holen
INC HL
;
XOR A
OR M ;Null?
JR NZ,DIRECT
LD A,D
AND 0F8H
CP 80H
JR NZ,EXIT
INC M
INC HL ;^Tastenstati
LD A,D ;gelesenes Byte
CPL
AND M
LD M,D
INC HL ;^Usertaste
RRA
JR NC,NRIGHT
LD C,M
LD A,M
JR EINTR
NRIGHT RRA
JR NC,NMIDDL
INC HL
LD A,M
CPL
JR NOVER
NMIDDL RRA
JR NC,EXIT
LD C,13
LD A,M
JR EINTR
DIRECT
INC A
CP 5
JR C,DIR1
XOR A
DIR1 RR M
LD M,A ;neue Nummer
INC HL
INC HL
INC HL
LD B,M ;Freigabe
INC HL
LD C,8 ;CUL
JR C,DIR2
INC HL
INC HL
LD C,10 ;CUD
DIR2 LD A,M ;Mickey
INC HL
LD E,M ;Step
DEC HL
ADD D
BIT 7,A
JR Z,POSI
ADD E
BIT 7,A
JR Z,EINTR1
XOR A
JR EINTR1
;
POSI CP E
JR C,NOVER
INC C
SUB E
CP E
JR C,EINTR1
LD A,E
DEC A
JR EINTR1
;
EINTR1 INC B ;Null?
DJNZ EXIT
EINTR LD (IX+13),C
SET 0,(IX+8)
NOVER LD M,A
EXIT POP HL
IN A,88H
LD E,A ;Kein PUSH!!
SET 2,A
OUT 88H
LD C,M
LD B,0B8H
LD A,(BC)
LD B,C
LD C,80H
OUT (C),A ;M003 (2) alt
DEC HL
LD C,M
LD B,0B8H
LD A,(BC)
LD B,C
LD C,80H
OUT (C),A ;M003 (1) alt
LD A,E
OUT 88H
;
POP BC
POP DE
POP HL
POP AF
EI
RETI
;
INITTB DEFB 47H
DEFB 2EH
DEFW 0E002H
DEFB 18H
DEFW 4414H
DEFW 0E103H
DEFW 0EA05H
DEFW 1811H
DEFW 0011H ;DI
;
DEFW 7F7FH
DEFM 'MOUSE'
DEFB 1
LD D,L
PUSH DE
CALL RC
DEFW 0
NXT POP HL ;=NXT
LD DE,ISR-NXT
ADD HL,DE ;HL=ISR
DI
LD (1E0H),HL
;
DEC HL ;Interruptbeginn
LD DE,0B789H ;ARG4+1
LD A,(0B781H)
LD B,A
CP 4
JR C,NSTEPY
LD A,(DE) ;STEPY
LD M,A
NSTEPY DEC HL
DEC HL ;^StepX
JR C,NSTEPX
DEC DE
LD A,(DE) ;STEPX
LD M,A
NSTEPX DEC HL
DEC HL ;^Freigabe
LD M,0 ;Freigabe
DEC HL ;Usertaste
LD A,B
CP 3
JR C,NUSER
LD M,C
NUSER DEC HL
DEC HL
DEC HL ;^SIOPORT
POP DE ;D=Slot,E=Port
CP 2
JR C,NSIOK
LD A,E
CP 10H
JR NC,USERSIO
CP 4
JR NC,KANNR
DEC A
KANNR AND 1
ADD 8 ;V.24
USERSIO LD M,A
NSIOK LD A,B
OR A
DEC HL ;^Schacht2
JR Z,SIOSL
LD A,D
OR A
JR Z,SIOTOT
LD M,D
SIOSL LD D,M ;D=0: SIO t|ten
SIOTOT DEC HL ;^Schacht1
LD BC,780H
MM03 INC B
JR Z,NM03
IN A,(C)
CP 0EEH
JR NZ,MM03
NM03 LD M,B ;merken
XOR A
OUT (C),A ;aus
INC HL ;^Schacht2
LD B,M
INC A
OUT (C),A ;ein
INC HL ;^SIOPort
LD A,M
ADD 4 ;CTC
PUSH HL
LD BC,INITTB-ISRD-2
ADD HL,BC
LD C,A
LD B,2
OTIR
SUB 2
LD C,A
SET 0,C ;f.Kanal B
LD B,2
OTIR
LD C,A
LD B,9
OTIR
LD A,D
OR A
JR NZ,NTOT
LD B,2
OTIR
NTOT POP HL ;^Port
EI
DEC HL
LD B,M
LD E,B
LD C,80H
LD D,0B8H
LD A,(DE)
OUT (C),A
DEC HL
LD B,M
LD E,B
LD A,(DE)
OUT (C),A
RET
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OUT (C),A
RET
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