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Length: 1408 (0x580)
Types: TextFile
Names: »ZNULCP.ASM«
└─⟦63c65de3f⟧ Bits:30009789/_.ft.Ibm2.50007335.imd Mogens Pelles Zilog 80,000 / EOS projekt
└─⟦this⟧ »ZNULCP.ASM«
; ; Null User Support Module for ZEX, CP/M Version 1.1 ; ; The user should define the routines described below ; for the particular Z-8000 bus master switching ; protocol used. ; The MACLIB statement below assumes MAC is being used. ; To use ASM, just replace that statement with the entire ; contents of ZEXCP.LIB. ; ; MACLIB ZEXCP ; (or include with the editor for ASM) ; ; Set up vectors to support routines below ; (should not be modified) ; ORG SETSEG DW SETSGP ORG SETUPZ DW SETUPP ORG RUNZ DW RUNZP ; ; Start code following vector area ; ORG USERAR SETSGP: ; ; Set segment number ; currently unused ; For segmented Z8001 environments, replace this ; with a program to control external memory management ; hardware (see User Manual). ; RET SETUPP: ; ; Set up the Z-8000 CPU Board. ; The hardware should be conditioned to begin execution ; in non-segmented, system mode ; at location %1000 (in the segment ZEX occupies). ; RET RUNZP: ; ; Start the Z-8000 running, ; suspending the current program's execution ; until TOHOST is called by the Z-8000 monitor. ; MVI C,MSG LXI D,NZMSG CALL BDOS ; Print warning message RET NZMSG: DB 'ZEX needs user patch (see manual)',13,10,'$' ZCMD: DS 1 ; IF $ >= ZCOM ERROR 'Too Big' ENDIF END «eof»