Re: The best way to check any virtual address

You can use authorized services IARBRVxx for this purpose. Best regards, Philippe Leite

Re: Testing address validity

You can use TPROT for this purpose but it's a privileged instruction. Regards, Philippe Leite LAB Services - IBM Em sáb., 5 de mar. de 2022 09:45, João Reginato escreveu: > Hi > > Which is the best instruction to test if a virtual address is still valid > to > avoid an

Re: Jump vs. Branch

ct on Condition (BIC). "Indirect" because non-relative branch instructions depend on base register content at the time of execution. Regards, Philippe Leite LAB Services - IBM

Re: Long Displacement Facility (was: Fun with RXSBG)

Macro IHAFACL Regards, Philippe Leite LAB Services - IBM

Re: Long Displacement Facility (was: Fun with RXSBG)

There is another way to test facility bits: We can use field FLCFACL on PSA+x'C8'. Regards, Philippe Leite LAB Services - IBM

Re: Long Displacement Facility (was: Fun with RXSBG)

Re: extracting value of an esoteric

Check Macro EDTINFO. On Mon, Sep 6, 2021 at 11:12 AM Tony Thigpen wrote: > I want to programmatically determine what tape drives are assigned to a > specific esoteric, in this case 'VTL3590'. Can someone point me to the > relevant macro or documentation that can get me started? > > > Tony

Re: RES: Macro to set a bit string

Jumps fixed: MACRO TBIT ,, LCLC SETC 'TBT'.'' LR14, SRDL 14,3 SRL 15,29 LAY 1,(14) AIF ('' EQ 'TEST').ACON AIF ('' EQ 'FLIP').ACON AIF ('' EQ 'ON').ACON AIF ('' EQ

Re: RES: Macro to set a bit string

TEST fixed: MACRO TBIT ,, LCLC SETC 'TBT'.'' LR14, SRDL 14,3 SRL 15,29 LAY 1,(14) AIF ('' EQ 'TEST').ACON AIF ('' EQ 'FLIP').ACON AIF ('' EQ 'ON').ACON AIF ('' EQ

Re: RES: Macro to set a bit string

Improved version with TEST and FLIP options: MACRO TBIT ,, LCLC SETC 'TBT'.'' LR14, SRDL 14,3 SRL 15,29 LAY 1,(14) AIF ('' EQ 'TEST').ACON AIF ('' EQ 'FLIP').ACON AIF ('' EQ

Re: RES: Macro to set a bit string

Now it's correct: MACRO TBIT ,, LCLC SETC 'TBT'.'' LR14, SRDL 14,3 SRL 15,29 LAY 1,(14) AIF ('' EQ 'ON').ACON AIF ('' EQ 'OFF').ACOFF AGO .ERROR1 .ACONANOP DS0H

Re: RES: Macro to set a bit string

Hi Charles, You're right. I forgot that I could use the base register on SRL. I always use the simple form SRL Rx,n. Thank you. Updated macro: MACRO TBIT ,, LCLC SETC 'TBT'.'' LR14, SRDL 14,3 SRL 15,29 LAY

Re: RES: Macro to set a bit string

. Best regards, Philippe Leite z/OS System Programmer

Re: Macro to set a bit string

* MEND Philippe Leite z/OS System Programmer

Re: Macro to set a bit string

ANOP EQU * MEND Tell me if it works for you. Best regards, Philippe Leite z/OS Systems Programmer