diff --git a/kernel/trunk/core/sys32.inc b/kernel/trunk/core/sys32.inc index 8f0485dd06..2e45045f58 100644 --- a/kernel/trunk/core/sys32.inc +++ b/kernel/trunk/core/sys32.inc @@ -21,28 +21,28 @@ idtreg: build_interrupt_table: - mov edi, idts+8 - mov esi, sys_int - mov ecx, 0x40 + mov edi, idts+8 + mov esi, sys_int + mov ecx, 0x40 @@: - lodsd - mov [edi], ax ; lower part of offset - mov [edi+2], word os_code ; segment selector - mov ax, word 10001110b shl 8 ; type: interrupt gate - mov [edi+4], eax - add edi, 8 - loop @b + lodsd + mov [edi], ax ; lower part of offset + mov [edi+2], word os_code ; segment selector + mov ax, word 10001110b shl 8 ; type: interrupt gate + mov [edi+4], eax + add edi, 8 + loop @b - ;mov edi,8*0x40+idts+8 - mov dword [edi], (i40 and 0xFFFF) or (os_code shl 16) - mov dword [edi+4], (11101111b shl 8) or (i40 and 0xFFFF0000) - ; type: trap gate - ret + ;mov edi,8*0x40+idts+8 + mov dword [edi], (i40 and 0xFFFF) or (os_code shl 16) + mov dword [edi+4], (11101111b shl 8) or (i40 and 0xFFFF0000) + ; type: trap gate + ret iglobal - msg_sel_ker db "kernel", 0 - msg_sel_app db "application", 0 + msg_sel_ker db "kernel", 0 + msg_sel_app db "application", 0 sys_int: dd e0,debug_exc,e2,e3 @@ -53,19 +53,19 @@ iglobal dd except_16, e17,e18, except_19 times 12 dd unknown_interrupt - dd irq0, irq_serv.irq_1, p_irq2 + dd irq0, irq_serv.irq_1, p_irq2 if USE_COM_IRQ - dd irq_serv.irq_3, irq_serv.irq_4 + dd irq_serv.irq_3, irq_serv.irq_4 else - dd p_irq3, p_irq4 + dd p_irq3, p_irq4 end if - dd irq_serv.irq_5, p_irq6, irq_serv.irq_7 - dd irq_serv.irq_8, irq_serv.irq_9, irq_serv.irq_10 - dd irq_serv.irq_11, irq_serv.irq_12,irqD ,p_irq14,p_irq15 + dd irq_serv.irq_5, p_irq6, irq_serv.irq_7 + dd irq_serv.irq_8, irq_serv.irq_9, irq_serv.irq_10 + dd irq_serv.irq_11, irq_serv.irq_12,irqD ,p_irq14,p_irq15 times 16 dd unknown_interrupt - dd i40 + dd i40 endg macro save_ring3_context @@ -104,55 +104,55 @@ exc_wo_code 0, 2, 3, 4, 5, 6, 9, 15, 18 exc_w_code 8, 10, 11, 12, 13, 14, 17 exc_c: - mov ax, app_data ;исключение - mov ds, ax ;загрузим правильные значени - mov es, ax ;в регистры + mov ax, app_data ;исключение + mov ds, ax ;загрузим правильные значени + mov es, ax ;в регистры ; redirect to V86 manager? (EFLAGS & 0x20000) != 0? - test byte [esp+20h+8+2], 2 - jnz v86_exc_c + test byte [esp+20h+8+2], 2 + jnz v86_exc_c ; test if debugging - cli - mov eax, [current_slot] - mov eax, [eax+APPDATA.debugger_slot] - test eax, eax - jnz .debug - sti + cli + mov eax, [current_slot] + mov eax, [eax+APPDATA.debugger_slot] + test eax, eax + jnz .debug + sti ; not debuggee => say error and terminate - movzx eax, bl - mov [error_interrupt], eax - call show_error_parameters + movzx eax, bl + mov [error_interrupt], eax + call show_error_parameters add esp, 0x20 - mov edx, [TASK_BASE] - mov [edx + TASKDATA.state], byte 4 + mov edx, [TASK_BASE] + mov [edx + TASKDATA.state], byte 4 - jmp change_task + jmp change_task .debug: ; we are debugged process, notify debugger and suspend ourself ; eax=debugger PID - cld - movzx ecx, bl - push ecx - mov ecx, [TASK_BASE] - push dword [ecx+TASKDATA.pid] ; PID of current process - push 12 - pop ecx - push 1 ; 1=exception - call debugger_notify - pop ecx - pop ecx - pop ecx - mov edx, [TASK_BASE] - mov byte [edx+TASKDATA.state], 1 ; suspended - call change_task - restore_ring3_context - iretd + cld + movzx ecx, bl + push ecx + mov ecx, [TASK_BASE] + push dword [ecx+TASKDATA.pid] ; PID of current process + push 12 + pop ecx + push 1 ; 1=exception + call debugger_notify + pop ecx + pop ecx + pop ecx + mov edx, [TASK_BASE] + mov byte [edx+TASKDATA.state], 1 ; suspended + call change_task + restore_ring3_context + iretd iglobal hexletters db '0123456789ABCDEF' - error_interrupt dd -1 + error_interrupt dd -1 endg ;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= @@ -169,7 +169,7 @@ show_error_parameters: mov edi, msg_sel_app mov ebx, [esp + 16 + 0x20] cmp eax, app_code - je @f + je @f mov edi, msg_sel_ker mov ebx, [esp - 16 + 0x20] @@: @@ -216,7 +216,7 @@ p_irq3: cmp [com2_mouse_detected],0 je old_irq3_handler mov esi, com2_mouse - mov dx, 2F8h ;[COMPortBaseAddr] + mov dx, 2F8h ;[COMPortBaseAddr] call check_mouse_data_com jmp p_irq3_1 old_irq3_handler: @@ -234,7 +234,7 @@ p_irq4: cmp [com1_mouse_detected],0 je old_irq4_handler mov esi, com1_mouse - mov dx, 3F8h ;[COMPortBaseAddr] + mov dx, 3F8h ;[COMPortBaseAddr] call check_mouse_data_com jmp p_irq4_1 old_irq4_handler: @@ -245,25 +245,25 @@ p_irq4: iret p_irq14: - save_ring3_context - mov ax, app_data ;os_data - mov ds, ax - mov es, ax - mov byte [BOOT_VAR + 0x48E], 0xFF - call [irq14_func] - call ready_for_next_irq_1 - restore_ring3_context - iret + save_ring3_context + mov ax, app_data ;os_data + mov ds, ax + mov es, ax + mov byte [BOOT_VAR + 0x48E], 0xFF + call [irq14_func] + call ready_for_next_irq_1 + restore_ring3_context + iret p_irq15: - save_ring3_context - mov ax, app_data ;os_data - mov ds, ax - mov es, ax - mov byte [BOOT_VAR + 0x48E], 0xFF - call [irq15_func] - call ready_for_next_irq_1 - restore_ring3_context - iret + save_ring3_context + mov ax, app_data ;os_data + mov ds, ax + mov es, ax + mov byte [BOOT_VAR + 0x48E], 0xFF + call [irq15_func] + call ready_for_next_irq_1 + restore_ring3_context + iret ready_for_next_irq: mov [check_idle_semaphore],5 @@ -300,15 +300,15 @@ irqD: irqhandler: - cmp [v86_irqhooks+edi*8], 0 - jnz v86_irq2 + cmp [v86_irqhooks+edi*8], 0 + jnz v86_irq2 push edi - mov esi,edi ; 1 - shl esi,6 ; 1 + mov esi,edi ; 1 + shl esi,6 ; 1 add esi,irq00read ; 1 - shl edi,12 ; 1 + shl edi,12 ; 1 add edi,IRQ_SAVE mov ecx,16 @@ -318,53 +318,57 @@ irqhandler: dec ecx js irqover - mov dx,[esi] ; 2+ + movzx edx, word [esi] ; 2+ - cmp dx,0 ; 1 + test edx, edx ; 1 jz irqover - cmp [esi+3],byte 1 ; 2 ; byte read - jne noirqbyte ; 4-11 - in al,dx - mov edx,[edi] - cmp edx,4000 + mov ebx, [edi] ; address of begin of buffer in edi ; + 0x0 dword - data size + mov eax, 4000 ; + 0x4 dword - data begin offset + cmp ebx, eax je irqfull - mov ebx,edi - add ebx,0x10 - add ebx,edx - mov [ebx],al - inc edx - mov [edi],edx + add ebx, [edi + 0x4] ; add data size to data begin offset + cmp ebx, eax ; if end of buffer, begin cycle again + jb @f - add esi,4 - jmp irqnewread + xor ebx, ebx - noirqbyte: - - - cmp [esi+3],byte 2 ; word read - jne noirqword + @@: + add ebx, edi + movzx eax, byte[esi + 3] ; get type of data being received 1 - byte, 2 - word + dec eax + jz irqbyte + dec eax + jnz noirqword in ax,dx + cmp ebx, 3999 ; check for address odd in the end of buffer + jne .odd + mov [ebx + 0x10], ax + jmp .add_size + .odd: + mov [ebx + 0x10], al ; I could make mistake here :) + mov [edi + 0x10], ah + .add_size: + add dword [edi], 2 + jmp nextport - mov edx,[edi] - cmp edx,4000 - je irqfull - mov ebx,edi - add ebx,0x10 - add ebx,edx - mov [ebx],ax - add edx,2 - mov [edi],edx + + irqbyte: + in al,dx + mov [ebx + 0x10],al + inc dword [edi] + nextport: add esi,4 jmp irqnewread + noirqword: irqfull: irqover: - mov al,0x20 ; ready for next irq + mov al,0x20 ; ready for next irq out 0x20,al pop ebx @@ -378,50 +382,50 @@ irqhandler: set_application_table_status: - push eax + push eax - mov eax,[CURRENT_TASK] - shl eax, 5 - add eax,CURRENT_TASK+TASKDATA.pid - mov eax,[eax] + mov eax,[CURRENT_TASK] + shl eax, 5 + add eax,CURRENT_TASK+TASKDATA.pid + mov eax,[eax] - mov [application_table_status],eax + mov [application_table_status],eax - pop eax + pop eax - ret + ret clear_application_table_status: - push eax + push eax - mov eax,[CURRENT_TASK] - shl eax, 5 - add eax,CURRENT_TASK+TASKDATA.pid - mov eax,[eax] + mov eax,[CURRENT_TASK] + shl eax, 5 + add eax,CURRENT_TASK+TASKDATA.pid + mov eax,[eax] - cmp eax,[application_table_status] - jne apptsl1 - mov [application_table_status],0 + cmp eax,[application_table_status] + jne apptsl1 + mov [application_table_status],0 apptsl1: - pop eax + pop eax - ret + ret sys_resize_app_memory: - ; eax = 1 - resize - ; ebx = new amount of memory + ; eax = 1 - resize + ; ebx = new amount of memory - cmp eax,1 - jne .no_application_mem_resize + cmp eax,1 + jne .no_application_mem_resize - stdcall new_mem_resize, ebx - mov [esp+36], eax - ret + stdcall new_mem_resize, ebx + mov [esp+36], eax + ret .no_application_mem_resize: - ret + ret sys_threads: @@ -434,9 +438,9 @@ sys_threads: jmp new_sys_threads iglobal - process_terminating db 'K : Process - terminating',13,10,0 - process_terminated db 'K : Process - done',13,10,0 - msg_obj_destroy db 'K : destroy app object',13,10,0 + process_terminating db 'K : Process - terminating',13,10,0 + process_terminated db 'K : Process - done',13,10,0 + msg_obj_destroy db 'K : destroy app object',13,10,0 endg ; param @@ -444,126 +448,126 @@ endg terminate: ; terminate application - .slot equ esp ;locals + .slot equ esp ;locals - push esi ;save .slot + push esi ;save .slot - shl esi, 8 - cmp [SLOT_BASE+esi+APPDATA.dir_table], 0 - jne @F - pop esi - shl esi, 5 - mov [CURRENT_TASK+esi+TASKDATA.state], 9 - ret + shl esi, 8 + cmp [SLOT_BASE+esi+APPDATA.dir_table], 0 + jne @F + pop esi + shl esi, 5 + mov [CURRENT_TASK+esi+TASKDATA.state], 9 + ret @@: - ;mov esi,process_terminating - ;call sys_msg_board_str - DEBUGF 1,"%s",process_terminating + ;mov esi,process_terminating + ;call sys_msg_board_str + DEBUGF 1,"%s",process_terminating @@: - cli - cmp [application_table_status],0 - je term9 - sti - call change_task - jmp @b + cli + cmp [application_table_status],0 + je term9 + sti + call change_task + jmp @b term9: - call set_application_table_status + call set_application_table_status ; if the process is in V86 mode... - mov eax, [.slot] - shl eax, 8 - mov esi, [eax+SLOT_BASE+APPDATA.pl0_stack] - add esi, RING0_STACK_SIZE - cmp [eax+SLOT_BASE+APPDATA.saved_esp0], esi - jz .nov86 + mov eax, [.slot] + shl eax, 8 + mov esi, [eax+SLOT_BASE+APPDATA.pl0_stack] + add esi, RING0_STACK_SIZE + cmp [eax+SLOT_BASE+APPDATA.saved_esp0], esi + jz .nov86 ; ...it has page directory for V86 mode - mov esi, [eax+SLOT_BASE+APPDATA.saved_esp0] - mov ecx, [esi+4] - mov [eax+SLOT_BASE+APPDATA.dir_table], ecx + mov esi, [eax+SLOT_BASE+APPDATA.saved_esp0] + mov ecx, [esi+4] + mov [eax+SLOT_BASE+APPDATA.dir_table], ecx ; ...and I/O permission map for V86 mode - mov ecx, [esi+12] - mov [eax+SLOT_BASE+APPDATA.io_map], ecx - mov ecx, [esi+8] - mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx + mov ecx, [esi+12] + mov [eax+SLOT_BASE+APPDATA.io_map], ecx + mov ecx, [esi+8] + mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx .nov86: - mov esi, [.slot] - shl esi,8 - add esi, SLOT_BASE+APP_OBJ_OFFSET + mov esi, [.slot] + shl esi,8 + add esi, SLOT_BASE+APP_OBJ_OFFSET @@: - mov eax, [esi+APPOBJ.fd] - test eax, eax - jz @F + mov eax, [esi+APPOBJ.fd] + test eax, eax + jz @F - cmp eax, esi - je @F + cmp eax, esi + je @F - push esi - call [eax+APPOBJ.destroy] - DEBUGF 1,"%s",msg_obj_destroy - pop esi - jmp @B + push esi + call [eax+APPOBJ.destroy] + DEBUGF 1,"%s",msg_obj_destroy + pop esi + jmp @B @@: - mov eax, [.slot] - shl eax, 8 - mov eax,[SLOT_BASE+eax+APPDATA.dir_table] - stdcall destroy_app_space, eax + mov eax, [.slot] + shl eax, 8 + mov eax,[SLOT_BASE+eax+APPDATA.dir_table] + stdcall destroy_app_space, eax - mov esi, [.slot] - cmp [fpu_owner],esi ; if user fpu last -> fpu user = 1 - jne @F + mov esi, [.slot] + cmp [fpu_owner],esi ; if user fpu last -> fpu user = 1 + jne @F - mov [fpu_owner],1 - mov eax, [256+SLOT_BASE+APPDATA.fpu_state] - clts - bt [cpu_caps], CAPS_SSE - jnc .no_SSE - fxrstor [eax] - jmp @F + mov [fpu_owner],1 + mov eax, [256+SLOT_BASE+APPDATA.fpu_state] + clts + bt [cpu_caps], CAPS_SSE + jnc .no_SSE + fxrstor [eax] + jmp @F .no_SSE: - fnclex - frstor [eax] + fnclex + frstor [eax] @@: - mov [KEY_COUNT],byte 0 ; empty keyboard buffer - mov [BTN_COUNT],byte 0 ; empty button buffer + mov [KEY_COUNT],byte 0 ; empty keyboard buffer + mov [BTN_COUNT],byte 0 ; empty button buffer ; remove defined hotkeys - mov eax, hotkey_list + mov eax, hotkey_list .loop: - cmp [eax+8], esi - jnz .cont - mov ecx, [eax] - jecxz @f - push dword [eax+12] - pop dword [ecx+12] + cmp [eax+8], esi + jnz .cont + mov ecx, [eax] + jecxz @f + push dword [eax+12] + pop dword [ecx+12] @@: - mov ecx, [eax+12] - push dword [eax] - pop dword [ecx] - xor ecx, ecx - mov [eax], ecx - mov [eax+4], ecx - mov [eax+8], ecx - mov [eax+12], ecx + mov ecx, [eax+12] + push dword [eax] + pop dword [ecx] + xor ecx, ecx + mov [eax], ecx + mov [eax+4], ecx + mov [eax+8], ecx + mov [eax+12], ecx .cont: - add eax, 16 - cmp eax, hotkey_list+256*16 - jb .loop + add eax, 16 + cmp eax, hotkey_list+256*16 + jb .loop ; remove hotkeys in buffer - mov eax, hotkey_buffer + mov eax, hotkey_buffer .loop2: - cmp [eax], esi - jnz .cont2 - and dword [eax+4], 0 - and dword [eax], 0 + cmp [eax], esi + jnz .cont2 + and dword [eax+4], 0 + and dword [eax], 0 .cont2: - add eax, 8 - cmp eax, hotkey_buffer+120*8 - jb .loop2 + add eax, 8 + cmp eax, hotkey_buffer+120*8 + jb .loop2 - mov ecx,esi ; remove buttons + mov ecx,esi ; remove buttons bnewba2: mov edi,[BTN_ADDR] mov eax,edi @@ -572,7 +576,7 @@ term9: inc bx bnewba: dec bx - jz bnmba + jz bnmba add eax,0x10 cmp cx,[eax] jnz bnewba @@ -621,10 +625,10 @@ term9: shl edi, 5 mov eax, [SLOT_BASE+edi*8+APPDATA.debugger_slot] test eax, eax - jz .nodebug + jz .nodebug push 8 pop ecx - push dword [CURRENT_TASK+edi+TASKDATA.pid] ; PID + push dword [CURRENT_TASK+edi+TASKDATA.pid] ; PID push 2 call debugger_notify pop ecx @@ -632,86 +636,86 @@ term9: .nodebug: popad - mov ebx, [.slot] - shl ebx, 8 - push ebx - mov ebx,[SLOT_BASE+ebx+APPDATA.pl0_stack] + mov ebx, [.slot] + shl ebx, 8 + push ebx + mov ebx,[SLOT_BASE+ebx+APPDATA.pl0_stack] - stdcall kernel_free, ebx + stdcall kernel_free, ebx - pop ebx - mov ebx,[SLOT_BASE+ebx+APPDATA.cur_dir] - stdcall kernel_free, ebx + pop ebx + mov ebx,[SLOT_BASE+ebx+APPDATA.cur_dir] + stdcall kernel_free, ebx - mov edi, [.slot] - shl edi,8 - add edi,SLOT_BASE + mov edi, [.slot] + shl edi,8 + add edi,SLOT_BASE - mov eax, [edi+APPDATA.io_map] - cmp eax, (tss._io_map_0-OS_BASE+PG_MAP) - je @F - call free_page + mov eax, [edi+APPDATA.io_map] + cmp eax, (tss._io_map_0-OS_BASE+PG_MAP) + je @F + call free_page @@: - mov eax, [edi+APPDATA.io_map+4] - cmp eax, (tss._io_map_1-OS_BASE+PG_MAP) - je @F - call free_page + mov eax, [edi+APPDATA.io_map+4] + cmp eax, (tss._io_map_1-OS_BASE+PG_MAP) + je @F + call free_page @@: - mov eax, 0x20202020 - stosd - stosd - stosd - mov ecx,244/4 - xor eax, eax - rep stosd + mov eax, 0x20202020 + stosd + stosd + stosd + mov ecx,244/4 + xor eax, eax + rep stosd ; activate window - movzx eax, word [WIN_STACK + esi*2] - cmp eax, [TASK_COUNT] - jne .dont_activate - pushad + movzx eax, word [WIN_STACK + esi*2] + cmp eax, [TASK_COUNT] + jne .dont_activate + pushad .check_next_window: - dec eax - cmp eax, 1 - jbe .nothing_to_activate - lea esi, [WIN_POS+eax*2] - movzx edi, word [esi] ; edi = process - shl edi, 5 - cmp [CURRENT_TASK + edi + TASKDATA.state], byte 9 ; skip dead slots - je .check_next_window - add edi, window_data + dec eax + cmp eax, 1 + jbe .nothing_to_activate + lea esi, [WIN_POS+eax*2] + movzx edi, word [esi] ; edi = process + shl edi, 5 + cmp [CURRENT_TASK + edi + TASKDATA.state], byte 9 ; skip dead slots + je .check_next_window + add edi, window_data ; \begin{diamond}[19.09.2006] ; skip minimized windows - test [edi + WDATA.fl_wstate], WSTATE_MINIMIZED - jnz .check_next_window + test [edi + WDATA.fl_wstate], WSTATE_MINIMIZED + jnz .check_next_window ; \end{diamond} - call waredraw + call waredraw .nothing_to_activate: - popad + popad .dont_activate: - push esi ; remove hd1 & cd & flp reservation - shl esi, 5 - mov esi, [esi+CURRENT_TASK+TASKDATA.pid] - cmp [hd1_status], esi - jnz @f - call free_hd_channel - mov [hd1_status], 0 + push esi ; remove hd1 & cd & flp reservation + shl esi, 5 + mov esi, [esi+CURRENT_TASK+TASKDATA.pid] + cmp [hd1_status], esi + jnz @f + call free_hd_channel + mov [hd1_status], 0 @@: - cmp [cd_status], esi - jnz @f - call free_cd_channel - mov [cd_status], 0 + cmp [cd_status], esi + jnz @f + call free_cd_channel + mov [cd_status], 0 @@: - cmp [flp_status], esi - jnz @f - mov [flp_status], 0 + cmp [flp_status], esi + jnz @f + mov [flp_status], 0 @@: - pop esi - cmp [bgrlockpid], esi - jnz @f - and [bgrlockpid], 0 - mov [bgrlock], 0 + pop esi + cmp [bgrlockpid], esi + jnz @f + and [bgrlockpid], 0 + mov [bgrlock], 0 @@: pusha ; remove all irq reservations @@ -728,7 +732,7 @@ term9: loop newirqfree popa - pusha ; remove all port reservations + pusha ; remove all port reservations mov edx,esi shl edx, 5 add edx,CURRENT_TASK @@ -739,7 +743,7 @@ term9: mov esi,[RESERVED_PORTS] cmp esi,0 - je rmpr9 + je rmpr9 rmpr3: @@ -748,7 +752,7 @@ term9: add edi,RESERVED_PORTS cmp edx,[edi] - je rmpr4 + je rmpr4 dec esi jnz rmpr3 @@ -773,7 +777,7 @@ term9: rmpr9: popa - mov edi,esi ; do not run this process slot + mov edi,esi ; do not run this process slot shl edi, 5 mov [edi+CURRENT_TASK + TASKDATA.state],byte 9 ; debugger test - terminate all debuggees @@ -781,7 +785,7 @@ term9: mov ecx, SLOT_BASE+2*0x100+APPDATA.debugger_slot .xd0: cmp eax, [TASK_COUNT] - ja .xd1 + ja .xd1 cmp dword [ecx], esi jnz @f and dword [ecx], 0 @@ -819,18 +823,18 @@ term9: restore .slot iglobal - boot_sched_1 db 'Building gdt tss pointer',0 - boot_sched_2 db 'Building IDT table',0 + boot_sched_1 db 'Building gdt tss pointer',0 + boot_sched_2 db 'Building IDT table',0 endg build_scheduler: - mov esi,boot_sched_1 - call boot_log + mov esi,boot_sched_1 + call boot_log ; call build_process_gdt_tss_pointer ; mov esi,boot_sched_2 ; call boot_log - ret + ret diff --git a/kernel/trunk/kernel.asm b/kernel/trunk/kernel.asm index 167bf159d7..ccb92737ca 100644 --- a/kernel/trunk/kernel.asm +++ b/kernel/trunk/kernel.asm @@ -345,15 +345,15 @@ high_code: mov al,[BOOT_VAR+0x9000] ; bpp mov [ScreenBPP],al - xchg bx, bx + xchg bx, bx movzx eax,word [BOOT_VAR+0x900A] ; X max dec eax - mov [Screen_Max_X],eax + mov [Screen_Max_X],eax mov [screen_workarea.right],eax movzx eax,word [BOOT_VAR+0x900C] ; Y max dec eax - mov [Screen_Max_Y],eax + mov [Screen_Max_Y],eax mov [screen_workarea.bottom],eax movzx eax,word [BOOT_VAR+0x9008] ; screen mode mov [SCR_MODE],eax @@ -1129,10 +1129,10 @@ set_variables: ;* mouse centered - start code- Mario79 mouse_centered: push eax - mov eax,[Screen_Max_X] + mov eax,[Screen_Max_X] shr eax,1 mov [MOUSE_X],ax - mov eax,[Screen_Max_Y] + mov eax,[Screen_Max_Y] shr eax,1 mov [MOUSE_Y],ax pop eax @@ -2029,7 +2029,7 @@ sys_end: iglobal align 4 sys_system_table: - dd exit_for_anyone ; 1 = obsolete + dd exit_for_anyone ; 1 = obsolete dd sysfn_terminate ; 2 = terminate thread dd sysfn_activate ; 3 = activate window dd sysfn_getidletime ; 4 = get idle time @@ -2064,7 +2064,7 @@ sys_system: ret -sysfn_shutdown: ; 18.9 = system shutdown +sysfn_shutdown: ; 18.9 = system shutdown cmp ecx,1 jl exit_for_anyone cmp ecx,4 @@ -2883,9 +2883,9 @@ sys_redrawstat: add edx, draw_data - CURRENT_TASK mov [edx + RECT.left], 0 mov [edx + RECT.top], 0 - mov eax, [Screen_Max_X] + mov eax, [Screen_Max_X] mov [edx + RECT.right], eax - mov eax, [Screen_Max_Y] + mov eax, [Screen_Max_Y] mov [edx + RECT.bottom], eax mov edi, [TASK_BASE] @@ -3486,7 +3486,7 @@ ret checkpixel: push eax edx - mov edx,[Screen_Max_X] ; screen x size + mov edx,[Screen_Max_X] ; screen x size inc edx imul edx, ebx mov dl, [eax+edx+display_data] ; lea eax, [...] @@ -3948,25 +3948,33 @@ get_irq_data: gidril1: shl ebx,12 - mov ecx,1 - lea eax,[ebx + IRQ_SAVE + 0x10] - mov edx,[eax - 0x10] + xor ecx, ecx + inc ecx + lea eax,[ebx + IRQ_SAVE] + mov edx,[eax] test edx,edx jz gid1 - dec dword [eax - 0x10] - - movzx ebx,byte [eax] - - mov edi, eax - xchg esi, eax - inc esi - - mov ecx,4000 / 4 - cld - rep movsd -; xor ecx,ecx ; as result of 'rep' ecx=0 dec edx + mov [eax], edx + + mov ecx, [eax + 0x4] + + cmp ecx, 4000 + jb @f + + xor ecx, ecx + + @@: + inc ecx + mov [eax + 0x4], ecx + dec ecx + add eax, ecx + + movzx ebx,byte [eax + 0x10] + + xor ecx, ecx + gid1: mov [esp+32],edx mov [esp+28],ecx @@ -4973,9 +4981,9 @@ syscall_drawrect: ; DrawRect align 4 syscall_getscreensize: ; GetScreenSize - mov ax, [Screen_Max_X] + mov ax, [Screen_Max_X] shl eax, 16 - mov ax, [Screen_Max_Y] + mov ax, [Screen_Max_Y] mov [esp + 32], eax ret @@ -5092,7 +5100,7 @@ syscall_drawline: ; DrawLine mov ebp, ebx add ebp, [esi+APPDATA.wnd_clientbox.top] add bx, word[esi+APPDATA.wnd_clientbox.top] - add ebp, ecx + add ebp, ecx shl ebx, 16 xor edi, edi add ebx, ebp @@ -5175,39 +5183,39 @@ paleholder: align 4 set_screen: - cmp eax, [Screen_Max_X] - jne .set + cmp eax, [Screen_Max_X] + jne .set - cmp edx, [Screen_Max_Y] - jne .set - ret + cmp edx, [Screen_Max_Y] + jne .set + ret .set: - pushfd - cli + pushfd + cli - mov [Screen_Max_X], eax - mov [Screen_Max_Y], edx + mov [Screen_Max_X], eax + mov [Screen_Max_Y], edx - mov [screen_workarea.right],eax - mov [screen_workarea.bottom], edx - inc eax - shl eax, 2 ;32 bpp - mov [BytesPerScanLine], eax - push ebx - push esi - push edi - call repos_windows - mov eax, 0 - mov ebx, 0 - mov ecx, [Screen_Max_X] - mov edx, [Screen_Max_Y] - call calculatescreen - pop edi - pop esi - pop ebx + mov [screen_workarea.right],eax + mov [screen_workarea.bottom], edx + inc eax + shl eax, 2 ;32 bpp + mov [BytesPerScanLine], eax + push ebx + push esi + push edi + call repos_windows + mov eax, 0 + mov ebx, 0 + mov ecx, [Screen_Max_X] + mov edx, [Screen_Max_Y] + call calculatescreen + pop edi + pop esi + pop ebx - popfd - ret + popfd + ret ; --------------- APM --------------------- apm_entry dp 0