NUM	DEFB	0FF
	DEFB	0FF
 
PAR1	DEFB	0
PAR2	DEFB	0
PAR3	DEFB 	0
PAR4	DEFB	0
PAR5	DEFB	0
 
SAL5	DEFB	0
SAL4	DEFB	0
SAL3	DEFB	0
SAL2	DEFB	0
SAL1	DEFB	0	
	DEFB	0FF
 
OPC4:	LDX	MENS4	; PRIMERA PALABRA=PRINT
	CALL	ESCR
 
	LD	VALIDA2
	SUB	#6
	JNZ	OPC41
 
	LDX	SIG_LIN
	CALL	ESCR
	LDX	VARIA1
	CALL	ESCR
	LD	HEXVA1
	STO	NUM
	LD	HEXVA1+1
	STO	NUM+1
	CALL	IMPRI
 
	LDX	SIG_LIN
	CALL	ESCR
	LDX	VARIA2
	CALL	ESCR
	LD	HEXVA2
	STO	NUM
	LD	HEXVA2+1
	STO	NUM+1
	CALL	IMPRI
 
	LDX	SIG_LIN
	CALL	ESCR
	LDX	VARIA3
	CALL	ESCR
	LD	HEXVA3
	STO	NUM
	LD	HEXVA3+1
	STO	NUM+1
	CALL	IMPRI
 
	LDX	SIG_LIN
	CALL	ESCR
	LDX	VARIA4
	CALL	ESCR
	LD	HEXVA4
	STO	NUM
	LD	HEXVA4+1
	STO	NUM+1
	CALL	IMPRI
 
	LDX	SIG_LIN
	CALL	ESCR
	LDX	VARIA5
	CALL	ESCR
	LD	HEXVA5
	STO	NUM
	LD	HEXVA5+1
	STO	NUM+1
	CALL	IMPRI
 
	LDX	SIG_LIN
	CALL	ESCR
	LDX	VARIA6
	CALL	ESCR
	LD	HEXVA6
	STO	NUM
	LD	HEXVA6+1
	STO	NUM+1
	CALL	IMPRI
 
	JZ	NPI
	JNZ	NPI
 
OPC41	CALL	IDVAR1
	SUB	#1
	JZ	NPI
 
	LD	X
	STO	NUM
	INX
	LD	X
	STO	NUM+1
	CALL	IMPRI
 
	JZ	NPI
	JNZ	NPI
 
 
SUMDEC:	PUSH	A
	LD	#0
	ADD	#0
	POP	A
	ADC	X
	ADC	Y
	STO	Y
	LD	#1
	ADD	#0FF
	LD	#9
	SBC	Y
	LD	#0
	ADC	#0
	JZ	REGRET
	LD	Y
	ADD	#6
	SUB	#10
	STO	Y
	LD	#1
REGRET:	RET	
 
A_1:	SUB	#0
	JZ	REGRET
	PUSH	A
	LD	#0
	LDX	PAR1
	LDY	SAL1
	CALL	SUMDEC
	LDX	PAR2
	LDY	SAL2
	CALL	SUMDEC
	LDX	PAR3
	LDY	SAL3
	CALL	SUMDEC
	LDX	PAR4
	LDY	SAL4
	CALL	SUMDEC
	LDX	PAR5
	LDY	SAL5
	CALL	SUMDEC
	POP	A
	SUB	#1
	JZ	A_1
	JNZ	A_1
 
IMPRI:	LD	#0
	STO	SAL1
	STO	SAL2
	STO	SAL3
	STO	SAL4
	STO	SAL5
	STO	PAR5
	LD	#4
	STO	PAR4
	LD	#0
	STO	PAR3
	LD	#9
	STO	PAR2
	LD	#6
	STO	PAR1
 
 
	LD	NUM
	AND	#0F0
	SR
	SR
	SR
	SR
	CALL	A_1
	
 
SIG2:	LD	#0
	STO	PAR4
	LD	#2
	STO	PAR3
	LD	#5
	STO	PAR2
	LD	#6
	STO	PAR1
 
 
	LD	NUM
	AND	#0F
	CALL	A_1
 
SIG3:	LD	#0
	STO	PAR3
	LD	#1
	STO	PAR2
	LD	#6
	STO	PAR1
 
 
	LD	NUM+1
	AND	#0F0
	SR
	SR
	SR
	SR
 
	CALL	A_1
	
 
SIG4:	LD	#0
	STO	PAR2
	LD	#1
	STO	PAR1
 
 
	LD	NUM+1
	AND	#0F
 
	CALL	A_1
 
SIG5:	
	LD	SAL1
	ADD	#30
	STO	SAL1
 
	LD	SAL2
	ADD	#30
	STO	SAL2
 
	LD	SAL3
	ADD	#30
	STO	SAL3
 
	LD	SAL4
	ADD	#30
	STO	SAL4
 
	LD	SAL5
	ADD	#30
	STO	SAL5
	LDX	SAL5
	CALL	ESCR
	RET
 

    Source: geocities.com/v.iniestra/apuntes/arq_proc

               ( geocities.com/v.iniestra/apuntes)                   ( geocities.com/v.iniestra)