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Rev 8111 Rev 9715
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;                                                              ;;
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;;                                                              ;;
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;; Copyright (C) KolibriOS team 2004-2020. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2004-2022. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;;                                                              ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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        inc     ah
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        inc     ah
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        movzx   eax, ah
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        movzx   eax, ah
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        mov     [hpet_timers], eax
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        mov     [hpet_timers], eax
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        mov     ecx, eax
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        mov     ecx, eax
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        mov     eax, [ebx+HPET_PERIOD]
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        mov     eax, [ebx + HPET_PERIOD]
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        xor     edx, edx
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        xor     edx, edx
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        shld    edx, eax, 10
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        shld    edx, eax, 10
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        shl     eax, 10
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        shl     eax, 10
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        mov     esi, 1000000
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        mov     esi, 1000000
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        div     esi
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        div     esi
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        mov     [hpet_period], eax
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        mov     [hpet_period], eax
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        mov     esi, [ebx+HPET_CFG]
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        mov     esi, [ebx + HPET_CFG]
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        and     esi, not HPET_CFG_ENABLE
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        and     esi, not HPET_CFG_ENABLE
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        mov     [ebx+HPET_CFG], esi             ;stop main counter
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        mov     [ebx + HPET_CFG], esi             ;stop main counter
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        lea     edx, [ebx+HPET_T0_CFG]
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        lea     edx, [ebx + HPET_T0_CFG]
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@@:
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@@:
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        jcxz    @F
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        jcxz    @F
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        mov     eax, [edx]
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        mov     eax, [edx]
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        and     eax, not (HPET_TN_ENABLE+HPET_TN_LEVEL+HPET_TN_FSB)
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        and     eax, not (HPET_TN_ENABLE + HPET_TN_LEVEL + HPET_TN_FSB)
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        mov     [edx], eax
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        mov     [edx], eax
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        add     edx, 0x20
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        add     edx, 0x20
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        dec     ecx
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        dec     ecx
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        jmp     @B
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        jmp     @B
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@@:
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@@:
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        mov     [ebx+HPET_COUNTER], ecx         ;reset main counter
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        mov     [ebx + HPET_COUNTER], ecx         ;reset main counter
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        mov     [ebx+HPET_COUNTER+4], ecx
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        mov     [ebx + HPET_COUNTER + 4], ecx
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        or      esi, HPET_CFG_ENABLE
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        or      esi, HPET_CFG_ENABLE
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        mov     [ebx+HPET_CFG], esi             ;and start again
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        mov     [ebx + HPET_CFG], esi             ;and start again
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