Import the unmodified LTEMM source.
From https://www.lo-tech.co.uk/wiki/LTEMM.EXE.
This commit is contained in:
Matthieu Bucchianeri
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42426d2414
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3599
XTMax/Apps/LTEMM/LTEMM.ASM
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3599
XTMax/Apps/LTEMM/LTEMM.ASM
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File diff suppressed because it is too large
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226
XTMax/Apps/LTEMM/LTEMM.INC
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226
XTMax/Apps/LTEMM/LTEMM.INC
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;*****************************************************************
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;* *
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;* *
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;* EMM/EMS driver program for BOCARAM30 Memory board *
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;* *
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;* *
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;*****************************************************************
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;
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; ‘âàãªâãà 䨧¨ç¥áª®© áâà ¨æë EMS
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;
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phys_page_struct STRUC
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Emm_Handle2 DW ? ;¤¥áªà¨¯â®à-¢« ¤¥«¥æ áâà ¨æë
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Phys_page_port DW ? ;physical page i/o port address
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Phys_Seg_Addr DW ? ;䨧¨ç¥áª¨© ᥣ¬¥âë© ¤à¥á áâà ¨æë
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Log_Page_Data DB ? ;®¬¥à «®£¨ç¥áª®© áâà ¨æë,ª àâ¨à®¢ ®©
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phys_page_struct ENDS ; íâã 䨧¨ç¥áªãî áâà ¨æã
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handle_page_struct STRUC
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emm_handle3 DW ?
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page_alloc_to_handle DW ?
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handle_page_struct ENDS
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partial_page_map_struct STRUC
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mappable_segment_count DW ?
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mappable_segment DW 4 DUP (?)
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partial_page_map_struct ENDS
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log_to_phys_map_struct STRUC
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log_page_number1 DW ?
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phys_page_number1 DW ?
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log_to_phys_map_struct ENDS
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log_to_seg_map_struct STRUC
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log_page_number2 DW ?
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mappable_seg_addr DW ?
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log_to_seg_map_struct ENDS
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handle_dir_struct STRUC
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handle_value DW ?
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handle_name1 DB 8 DUP (?)
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handle_dir_struct ENDS
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map_and_jump_struct STRUC
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target_address1 DD ?
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log_phys_map_len DB ?
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log_phys_map_ptr DD ?
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map_and_jump_struct ENDS
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map_and_call_struct STRUC
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target_address2 DD ?
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new_page_map_len DB ?
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new_page_map_ptr DD ?
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old_page_map_len DB ?
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old_page_map_ptr DD ?
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reserved DW 4 DUP (?)
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map_and_call_struct ENDS
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move_info_struct STRUC
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region_lenght DD ?
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source_type DB ?
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source_handle1 DW ?
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source_offset DW ?
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source_seg_page DW ?
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dest_type DB ?
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dest_handle1 DW ?
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dest_offset DW ?
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dest_seg_page DW ?
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move_info_struct ENDS
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mappable_phys_page_struct STRUC
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phys_page_segment DW ?
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phys_page_number2 DW ?
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mappable_phys_page_struct ENDS
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hardware_info_struct STRUC
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raw_page_size DW ?
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alternate_register_sets DW ?
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context_save_area_size DW ?
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DMA_register_sets DW ?
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DMA_channel_operation DW ?
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hardware_info_struct ENDS
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HANDLE_CNT EQU 64 ;max handle count
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PAGE_MAX EQU 128 ;max logical page count
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BACK_MAX EQU 5 ;max mapping data backup count
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I8042 EQU 60H ;i8042 i/o port address
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TIME_OUT EQU 1000 ;
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NOT_USE EQU 0AA55H ;not used logical page code
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NON EQU 0FFFFH ;non or bad logical page code
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CR EQU 0DH ;Carriage Return code
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LF EQU 0AH ;Line Feed code
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TAB EQU 09H ;TAB code
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; JJP DIS_EMS EQU 0 ;physical page disable data
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DIS_EMS EQU 0FFH ;physical page disable data (lo-tech cards)
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HANDLE_NAME_SIZE EQU 8 ;EMM handle name byte size
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UNMAP EQU 0FFFFH ;unmap code
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UNALLOC EQU 0FFFFH ;unallocate code
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PUSH_REG EQU 8 * 2 ;push register size
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EMMWORK EQU 50 ;EMM driver work area size
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RET_SP EQU EMMWORK+PUSH_REG+6+10 ;int67 stack size
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PHYS_PAGES EQU 4 ;physical page count
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RAW_PAGES EQU 400H ;raw page size (16KB)
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CONTEXT_SIZE EQU SIZE phys_page_struct * PHYS_PAGES
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ALTER_REGS EQU 0 ;alter map register set count
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DMA_REGS EQU 0 ;alter DMA register set count
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DMA_CHANNEL EQU 0 ;DMA channel number
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VOLATILE EQU 0 ;volatile
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NON_VOLATILE EQU 1 ;non volatile
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F23_RETSP EQU 10 ;
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LOG_SIZE EQU 2 ;logical page flag data size
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FLAG_SIZE EQU 2 ;handle flag size
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;
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; function 15 struct
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;
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f15_struct STRUC
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DW 8 DUP (?)
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f15_map_data DB CONTEXT_SIZE DUP (?)
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f15_struct ENDS
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;
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; function 16 struct
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;
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f16_struct STRUC
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DW 8 DUP (?)
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f16_map_len DW ?
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f16_map_data DB CONTEXT_SIZE DUP (?)
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f16_struct ENDS
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;
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; function 17 struct
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;
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f17_struct STRUC
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DW 8 DUP (?)
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f17_ax_save DW ?
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f17_map_len DW ?
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f17_map_data DB PHYS_PAGES * 4 DUP (?)
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f17_struct ENDS
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;
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; function 22 struct
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;
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f22_struct STRUC
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DW 8 DUP (?)
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f22_ax_save DW ?
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f22_target_off DW ?
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f22_target_seg DW ?
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f22_map_len DW ?
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f22_map_data DB PHYS_PAGES * 4 DUP (?)
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f22_struct ENDS
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;
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; function 23 struct
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;
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f23_struct STRUC
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DW 8 DUP (?)
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f23_target_off DW ?
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f23_target_seg DW ?
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f23_flag DW ?
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f23_retoff DW ?
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f23_retseg DW ?
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f23_ax_save DW ?
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f23_new_map_len DW ?
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f23_new_map_data DB PHYS_PAGES * 4 DUP (?)
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f23_old_map_len DW ?
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f23_old_map_data DB PHYS_PAGES * 4 DUP (?)
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f23_struct ENDS
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;
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; function 24 struct
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;
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f24_struct STRUC
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DW 8 DUP (?)
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region_low DW ?
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region_high DW ?
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source_off DW ?
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source_seg DW ?
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source_page DW ?
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source_ea_low DW ?
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source_ea_high DW ?
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source_handle2 DW ?
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dest_off DW ?
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dest_seg DW ?
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dest_page DW ?
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dest_ea_low DW ?
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dest_ea_high DW ?
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dest_handle2 DW ?
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f24_al_save DB ?
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direct_move DB ?
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source_type1 db ?
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dest_type1 db ?
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zero_low DW ?
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f24_struct ENDS
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;
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; function 28 struct
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;
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f28_struct STRUC
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DW 8 DUP (?)
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f28_map_data DB CONTEXT_SIZE DUP (?)
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f28_struct ENDS
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;
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; register back area struct
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;
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retreg STRUC
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bx_save DW ? ;BX save area
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cx_save DW ? ;CX save area
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dx_save DW ? ;DX save area
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si_save DW ? ;SI save area
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di_save DW ? ;DI save area
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bp_save DW ? ;BP save area
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es_save DW ? ;ES save area
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ds_save DW ? ;DS save area
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retreg ENDS
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;
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; return address struct
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;
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ret_struct STRUC
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DW 8 DUP (?)
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DB EMMWORK DUP (?)
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ret_offset DW ? ;return offset address
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ret_segment DW ? ;return segment address
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ret_flag DW ? ;return flags
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ret_struct ENDS
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100
XTMax/Apps/LTEMM/LTEMM.MAC
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100
XTMax/Apps/LTEMM/LTEMM.MAC
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;*****************************************************************
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;* *
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;* *
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;* EMM/EMS driver program for BOCARAM30 Memory board *
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;* *
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;* *
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;*****************************************************************
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; Some useful macros ...
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;Ž¡¬¥ ¡ ©â ¬¨ ¬¥¦¤ã SOURCE ¨ DESTINATION
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Exbyte MACRO
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mov al,[si]
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xchg al,es:[di]
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mov [si],al
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inc si
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inc di
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ENDM
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;Ž¡¬¥ á«®¢ ¬¨ ¬¥¦¤ã SOURCE ¨ DESTINATION
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Exword MACRO
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mov ax,[si]
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xchg ax,es:[di]
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mov [si],ax
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add di,2
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add si,2
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ENDM
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;‚ëç¨á«¥¨¥ ¡á®«î⮣® ¤à¥á FAR-㪠§ ⥫ï
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;‚室 : 㪠§ â¥«ì ¢ ä®à¬ ⥠ᥣ¬¥â:ᬥ饨¥
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;‚ë室 : DX:AX = ¡á®«îâë© ¤à¥á
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FarPtrAddress MACRO Segment,Offset
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mov dx,Segment
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mov ax,Offset
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mov bx,dx
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mov cl,4
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shl bx,cl
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and dx,0F000h
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rol dx,cl
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add ax,bx
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adc dx,0
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ENDM
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;‚ëç¨á«¥¨¥ ¡á®«î⮣® ¤à¥á FAR-㪠§ ⥫ï
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;‚室 : 㪠§ ⥫ì ᥣ¬¥â:ᬥ饨¥ (DX:AX)
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;‚ë室 : DX:AX = ¡á®«îâë© ¤à¥á
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FarAddress MACRO
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mov bx,dx
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mov cl,4
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shl bx,cl
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and dx,0F000h
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rol dx,cl
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add ax,bx
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adc dx,0
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ENDM
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;‘¤¢¨£ ¢«¥¢® 32-à §à冷£® ç¨á« (DX:AX) COUNT à §
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Shl32 MACRO Count
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REPT Count
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shl ax,1
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rcl dx,1
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ENDM
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ENDM
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;‘¤¢¨£ ¢¯à ¢® 32-à §à冷£® ç¨á« (DX:AX) COUNT à §
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Shr32 MACRO Count
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REPT Count
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shr dx,1
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rcr ax,1
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ENDM
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ENDM
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;‘«®¦¥¨¥ 32-à §àï¤ëå ç¨á¥« (DX:AX) + HIGH-LOW
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Add32 MACRO High,Low
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add ax,Low
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adc dx,High
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ENDM
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;‚ëç¨â ¨¥ 32-à §àï¤ëå ç¨á¥« (DX:AX) - HIGH-LOW
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Sub32 MACRO High,Low
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sub ax,Low
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sbb dx,High
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ENDM
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;‡ £à㧪 32-à §à冷£® ç¨á« ¢ (DX:AX)
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Load32 MACRO High,Low
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mov dx,High
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mov ax,Low
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ENDM
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;‡ £à㧪 32-à §à冷£® ç¨á« ¢ (DX:AX)
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FLoad32 MACRO Strt
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les ax,dword ptr Strt
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mov dx,es
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ENDM
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;‘®åà ¥¨¥ 32-à §à冷£® ç¨á« (DX:AX) ¢ HIGH-LOW
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Save32 MACRO High,Low
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mov High,dx
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mov Low,ax
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ENDM
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38
XTMax/Apps/LTEMM/README.TXT
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38
XTMax/Apps/LTEMM/README.TXT
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*************************************************************************
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* *
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* EMS 4.0 Driver for Lo-tech 2MB EMS Board, rev.01, Mar-14 *
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* *
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* http://www.lo-tech.co.uk/wiki/2MB-EMS-Board *
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* http://www.lo-tech.co.uk/wiki/LTEMM.EXE *
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* *
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* This code is TASM source. *
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* *
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* Based on original works Copyright (c) 1988, Alex Tsourikov. *
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* All rights reserved. *
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* *
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* Original source kindly provided subject to the BSD 3-Clause *
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* License: http://opensource.org/licenses/BSD-3-Clause *
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* *
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* This software, as modified, is provided subject to the terms *
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* of use at: *
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* *
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* http://www.lo-tech.co.uk/wiki/lo-tech.co.uk:General_disclaimer *
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* *
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* No charge has been made for this software. *
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* *
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*************************************************************************
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Syntax: DEVICE=LTEMM.EXE [/switches]
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/p:nnnn - Page frame address (E000)
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/i:nnn - EMS i/o port base address (260)
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/h:nnn - Maximal number of handles (64)
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/d:nn - Depth of contest saves (5)
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/f:nnn - First page number (0)
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/n - Bypass memory test
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/x - Perform long memory test
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/3 - Use only EMS 3.2 functions
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/q - Quiet mode
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Defaults in parentheses. This driver has been tested under MS-DOS 6.22.
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