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Line 21... Line 21...
21 
 
 21 
 
Line 22... Line 22...
22 
max_processes      equ   255
 22 
max_processes      equ   255
23 
 
 23 
 
24 
;window_data        equ   0x0000
 - 
 
25 
;tss_data           equ   0xD20000
 24 
;window_data        equ   0x0000
26 
;tss_step           equ   (128+2048) ; tss & i/o - 16384 ports, * 256=557056
 25 
;tss_data           equ   0xD20000
27 
tss_step           equ   (128+8192) ; tss & i/o - 65535 ports, * 256=557056*4
 26 
tss_step           equ   (128+8192) ; tss & i/o - 65535 ports, * 256=557056*4
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28 
;draw_data          equ   0xC00000
 27 
;draw_data          equ   0xC00000
Line 617... Line 616...
617 
        ; task list
 616 
        ; task list
618 
        mov  [0x3020+TASKDATA.wnd_number], 1 ; on screen number
 617 
        mov  [0x3020+TASKDATA.wnd_number], 1 ; on screen number
619 
        mov  [0x3020+TASKDATA.pid], 1        ; process id number
 618 
        mov  [0x3020+TASKDATA.pid], 1        ; process id number
620 
        mov  [0x3020+TASKDATA.mem_start], 0  ; process base address
 619 
        mov  [0x3020+TASKDATA.mem_start], 0  ; process base address
Line 621... Line -...
621 
 
 - 
 
622 
        ; set default flags & stacks
 - 
 
623 
        mov  [l.eflags],dword 0x11202 ; sti and resume
 - 
 
624 
        mov  [l.ss0], os_data
 - 
 
625 
        ; osloop - TSS
 - 
 
626 
        mov  eax,cr3
 - 
 
627 
        mov  [l.cr3],eax
 - 
 
628 
        mov  [l.eip],osloop
 - 
 
629 
        mov  [l.esp],sysint_stack_data + 4096*2 ; uses slot 1 stack
 - 
 
630 
        mov  [l.cs],os_code
 - 
 
631 
        mov  [l.ss],os_data
 - 
 
632 
        mov  [l.ds],os_data
 - 
 
633 
        mov  [l.es],os_data
 - 
 
634 
        mov  [l.fs],os_data
 - 
 
635 
        mov  [l.gs],os_data
 - 
 
636 
        ; move tss to tss_data+tss_step
 - 
 
637 
        mov  esi,tss_sceleton
 620 
 
- 
 
 621 
        mov  edi,tss_data+tss_step
638 
        mov  edi,tss_data+tss_step
 622 
        mov ecx, (tss_step)/4
639 
        mov  ecx,120/4
 623 
        xor eax, eax
640 
        cld
 624 
        cld
- 
 
 625 
        rep stosd
- 
 
 626 
 
- 
 
 627 
        mov  edi,tss_data+tss_step
- 
 
 628 
        mov  [edi+TSS._ss0], os_data
- 
 
 629 
        mov  eax,cr3
- 
 
 630 
        mov  [edi+TSS._cr3],eax
- 
 
 631 
        mov  [edi+TSS._eip],osloop
- 
 
 632 
        mov  [edi+TSS._eflags],dword 0x11202 ; sti and resume
- 
 
 633 
        mov  [edi+TSS._esp],sysint_stack_data + 4096*2 ; uses slot 1 stack
- 
 
 634 
        mov  [edi+TSS._cs],os_code
- 
 
 635 
        mov  [edi+TSS._ss],os_data
- 
 
 636 
        mov  [edi+TSS._ds],os_data
- 
 
 637 
        mov  [edi+TSS._es],os_data
- 
 
 638 
        mov  [edi+TSS._fs],os_data
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641 
        rep  movsd
 639 
        mov  [edi+TSS._gs],os_data
642 
 
 640 
 
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643 
        mov  ax,tss0
 641 
        mov  ax,tss0
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        mov   [0x3000],dword 1
 695 
        mov   [0x3000],dword 1
698 
        mov   [0x3004],dword 1
 696 
        mov   [0x3004],dword 1
699 
        cli
 697 
        cli
700 
        cmp   byte [0x2f0000+0x9030],1
 698 
        cmp   byte [0x2f0000+0x9030],1
701 
        jne   no_load_vrr_m
 699 
        jne   no_load_vrr_m
702 
        mov   ebp,vrr_m
 - 
 
- 
 
 700 
 
703 
        lea   esi,[ebp+6]       ; skip '/rd/1/'
 701 
        stdcall fs_exec_EX, vrr_m, dword 0, dword 0
704 
        xor   ebx,ebx                   ; no parameters
 - 
 
705 
        xor   edx,edx                   ; no flags
 - 
 
706 
        call  fs_RamdiskExecute.flags
 - 
 
707 
        cmp   eax,2                  ; if vrr_m app found (PID=2)
 702 
        cmp   eax,2                  ; if vrr_m app found (PID=2)
708 
        je    first_app_found
 703 
        je    first_app_found
Line 709... Line 704...
709 
 
 704 
 
710 
    no_load_vrr_m:
 - 
 
711 
        mov   ebp,firstapp
 - 
 
712 
        lea   esi,[ebp+6]
 - 
 
713 
        xor   ebx,ebx                   ; no parameters
 705 
no_load_vrr_m:
714 
        xor   edx,edx                   ; no flags
 - 
 
715 
        call  fs_RamdiskExecute.flags
 - 
 
716 
 
 706 
        stdcall fs_exec_EX, firstapp, dword 0, dword 0
717 
        cmp   eax,2                  ; continue if a process has been loaded
 707 
        cmp   eax,2                  ; continue if a process has been loaded
718 
        je    first_app_found
 708 
        je    first_app_found
719 
        mov   eax, 0xDEADBEEF        ; otherwise halt
 709 
        mov   eax, 0xDEADBEEF        ; otherwise halt
720 
        hlt
 710 
        hlt
Line 797... Line 787...
797 
;                    MAIN OS LOOP START                              ;
 787 
;                    MAIN OS LOOP START                              ;
798 
;                                                                    ;
 788 
;                                                                    ;
799 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 789 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
800 
align 32
 790 
align 32
801 
osloop:
 791 
osloop:
802 
 
 - 
 
803 
        call   [draw_pointer]
 792 
        call   [draw_pointer]
804 
        call   checkbuttons
 793 
        call   checkbuttons
805 
        call   checkwindows
 794 
        call   checkwindows
806 
;       call   check_window_move_request
 795 
;       call   check_window_move_request
807 
        call   checkmisc
 796 
        call   checkmisc