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https://github.com/SEPPDROID/Digital-Research-Source-Code.git
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67 lines
2.5 KiB
Plaintext
67 lines
2.5 KiB
Plaintext
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;*****************************************************
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;*
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;* User Data Area - The User Data Area is an
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;* extension of the process descriptor but it
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;* travels with the user. It contains info
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;* that is needed only while in context.
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;*
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;* While in the operating system, The Extra
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;* Segment register points to the beginning
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;* of the User Data Area.
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;*
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;*****************************************************
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;u_dparam equ es:word ptr .000h ; arg to dispatch
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; this area overlays part of BDOS
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u_dma_ofst equ es:word ptr .002h ; BDOS dma offset
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u_dma_seg equ es:word ptr .004h ; BDOS dma segment
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u_func equ es:byte ptr .006h ; actual function number
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;u_searchl equ es:byte ptr .007h ; BDOS search length
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;u_searcha equ es:word ptr .008h ; BDOS search FCB offset
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;u_searchabase equ es:word ptr .00Ah ; BDOS search user's segment
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;u_dcnt equ es:word ptr .00Ch ; BDOS directory count
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;u_dblk equ es:word ptr .00Eh ; BDOS directory block #
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u_error_mode equ es:byte ptr .010h ; BDOS error mode
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u_mult_cnt equ es:byte ptr .011h ; BDOS multi-sector count
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;u_df_password equ es:byte ptr .012h ; BDOS default password
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u_pd_cnt equ es:byte ptr .01Ah ; BDOS process count
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uda_ovl_len equ 19h
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; end of overlay area
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;u_in_int equ es:byte ptr .01Bh
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;u_sp equ es:word ptr .01Ch ; save register area
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;u_ss equ es:word ptr .01Eh
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;u_ax equ es:word ptr .020h
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;u_bx equ es:word ptr .022h
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;u_cx equ es:word ptr .024h
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;u_dx equ es:word ptr .026h
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;u_di equ es:word ptr .028h
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;u_si equ es:word ptr .02Ah
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;u_bp equ es:word ptr .02Ch
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u_wrkseg equ es:word ptr .02Eh ; curr seg addr of buf
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u_retseg equ es:word ptr .030h ; usr ES return
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;u_ds_sav equ es:word ptr .032h ;\
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;u_stack_sp equ es:word ptr .034h ; usr stack segment
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;u_stack_ss equ es:word ptr .036h ; usr stack pointer
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;u_ivectors equ es:word ptr .038h ; save int 0-4
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;u_es_sav equ es:word ptr .04Ch ; > Used during interrupts
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;u_flag_sav equ es:word ptr .04Eh ;/
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;u_initcs equ es:word ptr .050h
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;u_initds equ es:word ptr .052h
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;u_inites equ es:word ptr .054h
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;u_initss equ es:word ptr .056h
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;u_mpm_ip equ es:word ptr .058h ; MPM vec save
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;u_mpm_cs equ es:word ptr .05Ah
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;u_debug_ip equ es:word ptr .05Ch ; RTS,Debug Vector Save
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;u_debug_cs equ es:word ptr .05Eh
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;u_insys equ es:byte ptr .060h ; # times through user_entry
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;u_stat_sav equ es:byte ptr .061h
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u_conccb equ es:word ptr .062h
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;u_lstccb equ es:word ptr .064h
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;u_delim equ es:byte ptr .066h
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u_ioexerr equ es:byte ptr .067h ;extended IOS error for PCMODE
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