PUSH	              CALL dir	              INTR
RI ← (PC), PC+1	RI ← (PC), PC+1	Decodificar:
Decodificar	Decodificar	Si INTR= ‘0’ sigue S0
SP ← SP-1	SP ← SP-1	Si INTR=’1’
(SP) ← ACUM	(SP) ← PCH	INTA ← ‘1’
INTR	              SP ← SP-1	SP ← SP-1
POP	              (SP) ← PCL	(SP) ← Flags
RI ← (PC), PC+1	PC ← HL, HL+0	SP ← SP-1
Decodificar	INTR	              (SP) ← PCH
ACUM ← (SP)	RET	              SP ← SP-1
SP ← SP+1	RI ← (PC), PC+1	(SP) ← PCL
INTR	              Decodificar	PCH ← (FFFE),INTR+0
INISP dir	              PCL ← (SP)	PCL ← (FFFE),INTR+1
RI ← (PC), PC+1	SP ← SP+1	IRET
Decodificar	PCH ← (SP)	RI ← (PC)
H ← (PC), PC+1	SP ← SP+1	PCL ← (SP)
L ← (PC), PC+1	INTR	              SP ← SP+1
SP ← HL, HL+0		              PCH ← (SP)
INTR		                            SP ← SP+1
		                            Flags ← (SP)
		                            SP ← SP+1, INTA=’0’