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Diffstat (limited to 'board/MAI/bios_emulator/scitech/include/scitech.mac')
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diff --git a/board/MAI/bios_emulator/scitech/include/scitech.mac b/board/MAI/bios_emulator/scitech/include/scitech.mac deleted file mode 100644 index 27a2fc06e8..0000000000 --- a/board/MAI/bios_emulator/scitech/include/scitech.mac +++ /dev/null @@ -1,1321 +0,0 @@ -;**************************************************************************** -;* -;* ======================================================================== -;* -;* The contents of this file are subject to the SciTech MGL Public -;* License Version 1.0 (the "License"); you may not use this file -;* except in compliance with the License. You may obtain a copy of -;* the License at http://www.scitechsoft.com/mgl-license.txt -;* -;* Software distributed under the License is distributed on an -;* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -;* implied. See the License for the specific language governing -;* rights and limitations under the License. -;* -;* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -;* -;* The Initial Developer of the Original Code is SciTech Software, Inc. -;* All Rights Reserved. -;* -;* ======================================================================== -;* -;* Language: NetWide Assembler (NASM) or Turbo Assembler (TASM) -;* Environment: Any Intel Environment -;* -;* Description: Macros to provide memory model independant assembly language -;* module for C programming. Supports the large and flat memory -;* models. -;* -;* The defines that you should use when assembling modules that -;* use this macro package are: -;* -;* __LARGE__ Assemble for 16-bit large model -;* __FLAT__ Assemble for 32-bit FLAT memory model -;* __NOU__ No underscore for all external C labels -;* __NOU_VAR__ No underscore for global variables only -;* -;* The default settings are for 16-bit large memory model with -;* leading underscores for symbol names. -;* -;* The main intent of the macro file is to enable programmers -;* to write _one_ set of source that can be assembled to run -;* in either 16 bit real and protected modes or 32 bit -;* protected mode without the need to riddle the code with -;* 'if flatmodel' style conditional assembly (it is still there -;* but nicely hidden by a macro layer that enhances the -;* readability and understandability of the resulting code). -;* -;**************************************************************************** - -; Include the appropriate version in here depending on the assembler. NASM -; appears to always try and parse code, even if it is in a non-compiling -; block of a ifdef expression, and hence crashes if we include the TASM -; macro package in the same header file. Hence we split the macros up into -; two separate header files. - -ifdef __NASM_MAJOR__ - -;============================================================================ -; Macro package when compiling with NASM. -;============================================================================ - -; Turn off underscores for globals if disabled for all externals - -%ifdef __NOU__ -%define __NOU_VAR__ -%endif - -; Define the __WINDOWS__ symbol if we are compiling for any Windows -; environment - -%ifdef __WINDOWS16__ -%define __WINDOWS__ 1 -%endif -%ifdef __WINDOWS32__ -%define __WINDOWS__ 1 -%define __WINDOWS32_386__ 1 -%endif - -; Macros for accessing 'generic' registers - -%ifdef __FLAT__ -%idefine _ax eax -%idefine _bx ebx -%idefine _cx ecx -%idefine _dx edx -%idefine _si esi -%idefine _di edi -%idefine _bp ebp -%idefine _sp esp -%idefine _es -%idefine UCHAR BYTE ; Size of a character -%idefine USHORT WORD ; Size of a short -%idefine UINT DWORD ; Size of an integer -%idefine ULONG DWORD ; Size of a long -%idefine BOOL DWORD ; Size of a boolean -%idefine DPTR DWORD ; Size of a data pointer -%idefine FDPTR FWORD ; Size of a far data pointer -%idefine NDPTR DWORD ; Size of a near data pointer -%idefine CPTR DWORD ; Size of a code pointer -%idefine FCPTR FWORD ; Size of a far code pointer -%idefine NCPTR DWORD ; Size of a near code pointer -%idefine FPTR NEAR ; Distance for function pointers -%idefine DUINT dd ; Declare a integer variable -%idefine intsize 4 -%idefine flatmodel 1 -%else -%idefine _ax ax -%idefine _bx bx -%idefine _cx cx -%idefine _dx dx -%idefine _si si -%idefine _di di -%idefine _bp bp -%idefine _sp sp -%idefine _es es: -%idefine UCHAR BYTE ; Size of a character -%idefine USHORT WORD ; Size of a short -%idefine UINT WORD ; Size of an integer -%idefine ULONG DWORD ; Size of a long -%idefine BOOL WORD ; Size of a boolean -%idefine DPTR DWORD ; Size of a data pointer -%idefine FDPTR DWORD ; Size of a far data pointer -%idefine NDPTR WORD ; Size of a near data pointer -%idefine CPTR DWORD ; Size of a code pointer -%idefine FCPTR DWORD ; Size of a far code pointer -%idefine NCPTR WORD ; Size of a near code pointer -%idefine FPTR FAR ; Distance for function pointers -%idefine DUINT dw ; Declare a integer variable -%idefine intsize 2 -%endif -%idefine invert ~ -%idefine offset -%idefine use_nasm - -; Convert all jumps to near jumps, since NASM does not so this automatically - -%idefine jo jo near -%idefine jno jno near -%idefine jz jz near -%idefine jnz jnz near -%idefine je je near -%idefine jne jne near -%idefine jb jb near -%idefine jbe jbe near -%idefine ja ja near -%idefine jae jae near -%idefine jl jl near -%idefine jle jle near -%idefine jg jg near -%idefine jge jge near -%idefine jc jc near -%idefine jnc jnc near -%idefine js js near -%idefine jns jns near - -%ifdef DOUBLE -%idefine REAL QWORD -%idefine DREAL dq -%else -%idefine REAL DWORD -%idefine DREAL dd -%endif - -; Boolean truth values (same as those in debug.h) - -%idefine False 0 -%idefine True 1 -%idefine No 0 -%idefine Yes 1 -%idefine Yes 1 - -; Macro to be invoked at the start of all modules to set up segments for -; later use. Does nothing for NASM. - -%imacro header 1 -%endmacro - -; Macro to begin a data segment - -%imacro begdataseg 1 -%ifdef __GNUC__ -segment .data public class=DATA use32 flat -%else -%ifdef flatmodel -segment _DATA public align=4 class=DATA use32 flat -%else -segment _DATA public align=4 class=DATA use16 -%endif -%endif -%endmacro - -; Macro to end a data segment - -%imacro enddataseg 1 -%endmacro - -; Macro to begin a code segment - -%imacro begcodeseg 1 -%ifdef __PIC__ -%ifdef __LINUX__ - extern _GLOBAL_OFFSET_TABLE_ -%else - extern __GLOBAL_OFFSET_TABLE_ -%endif -%endif -%ifdef __GNUC__ -segment .text public class=CODE use32 flat -%else -%ifdef flatmodel -segment _TEXT public align=16 class=CODE use32 flat -%else -segment %1_TEXT public align=16 class=CODE use16 -%endif -%endif -%endmacro - -; Macro to begin a near code segment - -%imacro begcodeseg_near 0 -%ifdef __GNUC__ -segment .text public class=CODE use32 flat -%else -%ifdef flatmodel -segment _TEXT public align=16 class=CODE use32 flat -%else -segment _TEXT public align=16 class=CODE use16 -%endif -%endif -%endmacro - -; Macro to end a code segment - -%imacro endcodeseg 1 -%endmacro - -; Macro to end a near code segment - -%imacro endcodeseg_near 0 -%endmacro - -; Macro for an extern C symbol. If the C compiler requires leading -; underscores, then the underscores are added to the symbol names, otherwise -; they are left off. The symbol name is referenced in the assembler code -; using the non-underscored symbol name. - -%imacro cextern 2 -%ifdef __NOU_VAR__ -extern %1 -%else -extern _%1 -%define %1 _%1 -%endif -%endmacro - -%imacro cexternfunc 2 -%ifdef __NOU__ -extern %1 -%else -extern _%1 -%define %1 _%1 -%endif -%endmacro - -; Macro for a public C symbol. If the C compiler requires leading -; underscores, then the underscores are added to the symbol names, otherwise -; they are left off. The symbol name is referenced in the assembler code -; using the non-underscored symbol name. - -%imacro cpublic 1 -%ifdef __NOU_VAR__ -global %1 -%1: -%else -global _%1 -_%1: -%define %1 _%1 -%endif -%endmacro - -; Macro for an global C symbol. If the C compiler requires leading -; underscores, then the underscores are added to the symbol names, otherwise -; they are left off. The symbol name is referenced in the assembler code -; using the non-underscored symbol name. - -%imacro cglobal 1 -%ifdef __NOU_VAR__ -global %1 -%else -global _%1 -%define %1 _%1 -%endif -%endmacro - -; Macro for an global C function symbol. If the C compiler requires leading -; underscores, then the underscores are added to the symbol names, otherwise -; they are left off. The symbol name is referenced in the assembler code -; using the non-underscored symbol name. - -%imacro cglobalfunc 1 -%ifdef __PIC__ -global %1:function -%else -%ifdef __NOU__ -global %1 -%else -global _%1 -%define %1 _%1 -%endif -%endif -%endmacro - -; Macro to start a C callable function. This will be a far function for -; 16-bit code, and a near function for 32-bit code. - -%imacro cprocstatic 1 -%push cproc -%1: -%ifdef flatmodel -%stacksize flat -%define ret retn -%else -%stacksize large -%define ret retf -%endif -%assign %$localsize 0 -%endmacro - -%imacro cprocstart 1 -%push cproc - cglobalfunc %1 -%1: -%ifdef flatmodel -%stacksize flat -%define ret retn -%else -%stacksize large -%define ret retf -%endif -%assign %$localsize 0 -%endmacro - -; This macro sets up a procedure to be exported from a 16 bit DLL. Since the -; calling conventions are always _far _pascal for 16 bit DLL's, we actually -; rename this routine with an extra underscore with 'C' calling conventions -; and a small DLL stub will be provided by the high level code to call the -; assembler routine. - -%imacro cprocstartdll16 1 -%ifdef __WINDOWS16__ -cprocstart _%1 -%else -cprocstart %1 -%endif -%endmacro - -; Macro to start a C callable near function. - -%imacro cprocnear 1 -%push cproc - cglobalfunc %1 -%1: -%define ret retn -%ifdef flatmodel -%stacksize flat -%else -%stacksize small -%endif -%assign %$localsize 0 -%endmacro - -; Macro to start a C callable far function. - -%imacro cprocfar 1 -%push cproc - cglobalfunc %1 -%1: -%define ret retf -%ifdef flatmodel -%stacksize flat -%else -%stacksize large -%endif -%assign %$localsize 0 -%endmacro - -; Macro to end a C function - -%imacro cprocend 0 -%pop -%endmacro - -; Macros for entering and exiting C callable functions. Note that we must -; always save and restore the SI and DI registers for C functions, and for -; 32 bit C functions we also need to save and restore EBX and clear the -; direction flag. - -%imacro enter_c 0 - push _bp - mov _bp,_sp -%ifnidn %$localsize,0 - sub _sp,%$localsize -%endif -%ifdef flatmodel - push ebx -%endif - push _si - push _di -%endmacro - -%imacro leave_c 0 - pop _di - pop _si -%ifdef flatmodel - pop ebx - cld -%endif -%ifnidn %$localsize,0 - mov _sp,_bp -%endif - pop _bp -%endmacro - -%imacro use_ebx 0 -%ifdef flatmodel - push ebx -%endif -%endmacro - -%imacro unuse_ebx 0 -%ifdef flatmodel - pop ebx -%endif -%endmacro - -; Macros for saving and restoring the value of DS,ES,FS,GS when it is to -; be used in assembly routines. This evaluates to nothing in the flat memory -; model, but is saves and restores DS in the large memory model. - -%imacro use_ds 0 -%ifndef flatmodel - push ds -%endif -%endmacro - -%imacro unuse_ds 0 -%ifndef flatmodel - pop ds -%endif -%endmacro - -%imacro use_es 0 -%ifndef flatmodel - push es -%endif -%endmacro - -%imacro unuse_es 0 -%ifndef flatmodel - pop es -%endif -%endmacro - -; Macros for loading the address of a data pointer into a segment and -; index register pair. The %imacro explicitly loads DS or ES in the 16 bit -; memory model, or it simply loads the offset into the register in the flat -; memory model since DS and ES always point to all addressable memory. You -; must use the correct _REG (ie: _BX) %imacros for documentation purposes. - -%imacro _lds 2 -%ifdef flatmodel - mov %1,%2 -%else - lds %1,%2 -%endif -%endmacro - -%imacro _les 2 -%ifdef flatmodel - mov %1,%2 -%else - les %1,%2 -%endif -%endmacro - -; Macros for adding and subtracting a value from registers. Two value are -; provided, one for 16 bit modes and another for 32 bit modes (the extended -; register is used in 32 bit modes). - -%imacro _add 3 -%ifdef flatmodel - add e%1, %3 -%else - add %1, %2 -%endif -%endmacro - -%imacro _sub 3 -%ifdef flatmodel - sub e%1, %3 -%else - sub %1, %2 -%endif -%endmacro - -; Macro to clear the high order word for the 32 bit extended registers. -; This is used to convert an unsigned 16 bit value to an unsigned 32 bit -; value, and will evaluate to nothing in 16 bit modes. - -%imacro clrhi 1 -%ifdef flatmodel - movzx e%1,%1 -%endif -%endmacro - -%imacro sgnhi 1 -%ifdef flatmodel - movsx e%1,%1 -%endif -%endmacro - -; Macro to load an extended register with an integer value in either mode - -%imacro loadint 2 -%ifdef flatmodel - mov e%1,%2 -%else - xor e%1,e%1 - mov %1,%2 -%endif -%endmacro - -; Macros to load and store integer values with string instructions - -%imacro LODSINT 0 -%ifdef flatmodel - lodsd -%else - lodsw -%endif -%endmacro - -%imacro STOSINT 0 -%ifdef flatmodel - stosd -%else - stosw -%endif -%endmacro - -; Macros to provide resb, resw, resd compatibility with NASM - -%imacro dclb 1 -times %1 db 0 -%endmacro - -%imacro dclw 1 -times %1 dw 0 -%endmacro - -%imacro dcld 1 -times %1 dd 0 -%endmacro - -; Macro to get the addres of the GOT for Linux/FreeBSD shared -; libraries into the EBX register. - -%imacro get_GOT 1 - call %%getgot -%%getgot: pop %1 - add %1,_GLOBAL_OFFSET_TABLE_+$$-%%getgot wrt ..gotpc -%endmacro - -; Macro to get the address of a *local* variable that is global to -; a single module in a manner that will work correctly when compiled -; into a Linux shared library. Note that this will *not* work for -; variables that are defined as global to all modules. For that -; use the LEA_G macro - -%macro LEA_L 2 -%ifdef __PIC__ - get_GOT %1 - lea %1,[%1+%2 wrt ..gotoff] -%else - lea %1,[%2] -%endif -%endmacro - -; Same macro as above but for global variables public to *all* -; modules. - -%macro LEA_G 2 -%ifdef __PIC__ - get_GOT %1 - mov %1,[%1+%2 wrt ..got] -%else - lea %1,[%2] -%endif -%endmacro - -; macros to declare assembler function stubs for function structures - -%imacro BEGIN_STUBS_DEF 2 -begdataseg _STUBS -%ifdef __NOU_VAR__ -extern %1 -%define STUBS_START %1 -%else -extern _%1 -%define STUBS_START _%1 -%endif -enddataseg _STUBS -begcodeseg _STUBS -%assign off %2 -%endmacro - -%imacro DECLARE_STUB 1 -%ifdef __PIC__ - global %1:function -%1: - get_GOT eax - mov eax,[eax+STUBS_START wrt ..got] - jmp [eax+off] -%else -%ifdef __NOU__ - global %1 -%1: -%else - global _%1 -_%1: -%endif - jmp [DWORD STUBS_START+off] -%endif -%assign off off+4 -%endmacro - -%imacro SKIP_STUB 1 -%assign off off+4 -%endmacro - -%imacro DECLARE_STDCALL 2 -%ifdef STDCALL_MANGLE - global _%1@%2 -_%1@%2: -%else -%ifdef STDCALL_USCORE - global _%1 -_%1: -%else - global %1 -%1: -%endif -%endif - jmp [DWORD STUBS_START+off] -%assign off off+4 -%endmacro - -%imacro END_STUBS_DEF 0 -endcodeseg _STUBS -%endmacro - -; macros to declare assembler import stubs for binary loadable drivers - -%imacro BEGIN_IMPORTS_DEF 1 -BEGIN_STUBS_DEF %1,4 -%endmacro - -%imacro DECLARE_IMP 2 -DECLARE_STUB %1 -%endmacro - -%imacro SKIP_IMP 2 -SKIP_STUB %1 -%endmacro - -%imacro SKIP_IMP2 1 -DECLARE_STUB %1 -%endmacro - -%imacro SKIP_IMP3 1 -SKIP_STUB %1 -%endmacro - -%imacro END_IMPORTS_DEF 0 -END_STUBS_DEF -%endmacro - -else ; __NASM_MAJOR__ - -;============================================================================ -; Macro package when compiling with TASM. -;============================================================================ - -; Turn off underscores for globals if disabled for all externals - -ifdef __NOU__ -__NOU_VAR__ = 1 -endif - -; Define the __WINDOWS__ symbol if we are compiling for any Windows -; environment - -ifdef __WINDOWS16__ -__WINDOWS__ = 1 -endif -ifdef __WINDOWS32__ -__WINDOWS__ = 1 -__WINDOWS32_386__ = 1 -endif -ifdef __WIN386__ -__WINDOWS__ = 1 -__WINDOWS32_386__ = 1 -endif -ifdef __VXD__ -__WINDOWS__ = 1 -__WINDOWS32_386__ = 1 - MASM - .386 - NO_SEGMENTS = 1 - include vmm.inc ; IGNORE DEPEND - include vsegment.inc ; IGNORE DEPEND - IDEAL -endif - -; Macros for accessing 'generic' registers - -ifdef __FLAT__ - _ax EQU eax ; EAX is used for accumulator - _bx EQU ebx ; EBX is used for accumulator - _cx EQU ecx ; ECX is used for looping - _dx EQU edx ; EDX is used for data register - _si EQU esi ; ESI is the source index register - _di EQU edi ; EDI is the destination index register - _bp EQU ebp ; EBP is used for base pointer register - _sp EQU esp ; ESP is used for stack pointer register - _es EQU ; ES and DS are the same in 32 bit PM - typedef UCHAR BYTE ; Size of a character - typedef USHORT WORD ; Size of a short - typedef UINT DWORD ; Size of an integer - typedef ULONG DWORD ; Size of a long - typedef BOOL DWORD ; Size of a boolean - typedef DPTR DWORD ; Size of a data pointer - typedef FDPTR FWORD ; Size of a far data pointer - typedef NDPTR DWORD ; Size of a near data pointer - typedef CPTR DWORD ; Size of a code pointer - typedef FCPTR FWORD ; Size of a far code pointer - typedef NCPTR DWORD ; Size of a near code pointer - typedef DUINT DWORD ; Declare a integer variable - FPTR EQU NEAR ; Distance for function pointers - intsize = 4 ; Size of an integer - flatmodel = 1 ; This is a flat memory model - P386 ; Turn on 386 code generation - MODEL FLAT ; Set up for 32 bit simplified FLAT model -else - _ax EQU ax ; AX is used for accumulator - _bx EQU bx ; BX is used for accumulator - _cx EQU cx ; CX is used for looping - _dx EQU dx ; DX is used for data register - _si EQU si ; SI is the source index register - _di EQU di ; DI is the destination index register - _bp EQU bp ; BP is used for base pointer register - _sp EQU sp ; SP is used for stack pointer register - _es EQU es: ; ES is used for segment override - typedef UCHAR BYTE ; Size of a character - typedef USHORT WORD ; Size of a short - typedef UINT WORD ; Size of an integer - typedef ULONG DWORD ; Size of a long - typedef BOOL WORD ; Size of a boolean - typedef DPTR DWORD ; Size of a data pointer - typedef FDPTR DWORD ; Size of a far data pointer - typedef NDPTR WORD ; Size of a near data pointer - typedef CPTR DWORD ; Size of a code pointer - typedef FCPTR DWORD ; Size of a far code pointer - typedef NCPTR WORD ; Size of a near code pointer - typedef DUINT WORD ; Declare a integer variable - FPTR EQU FAR ; Distance for function pointers - intsize = 2 ; Size of an integer - P386 ; Turn on 386 code generation -endif - invert EQU not - -; Provide a typedef for real floating point numbers - -ifdef DOUBLE -typedef REAL QWORD -typedef DREAL QWORD -else -typedef REAL DWORD -typedef DREAL DWORD -endif - -; Macros to access the floating point stack registers to convert them -; from NASM style to TASM style - -st0 EQU st(0) -st1 EQU st(1) -st2 EQU st(2) -st3 EQU st(3) -st4 EQU st(4) -st5 EQU st(5) -st6 EQU st(6) -st7 EQU st(7) -st8 EQU st(8) - -; Boolean truth values (same as those in debug.h) - -ifndef __VXD__ -False = 0 -True = 1 -No = 0 -Yes = 1 -Yes = 1 -endif - -; Macros for the _DATA data segment. This segment contains initialised data. - -MACRO begdataseg name -ifdef __VXD__ - MASM -VXD_LOCKED_DATA_SEG - IDEAL -else -ifdef flatmodel - DATASEG -else -SEGMENT _DATA DWORD PUBLIC USE16 'DATA' -endif -endif -ENDM - -MACRO enddataseg name -ifdef __VXD__ - MASM -VXD_LOCKED_DATA_ENDS - IDEAL -else -ifndef flatmodel -ENDS _DATA -endif -endif -ENDM - -; Macro for the main code segment. - -MACRO begcodeseg name -ifdef __VXD__ - MASM -VXD_LOCKED_CODE_SEG - IDEAL -else -ifdef flatmodel - CODESEG - ASSUME CS:FLAT,DS:FLAT,SS:FLAT -else -SEGMENT &name&_TEXT PARA PUBLIC USE16 'CODE' - ASSUME CS:&name&_TEXT,DS:_DATA -endif -endif -ENDM - -; Macro for a near code segment - -MACRO begcodeseg_near -ifdef flatmodel - CODESEG - ASSUME CS:FLAT,DS:FLAT,SS:FLAT -else -SEGMENT _TEXT PARA PUBLIC USE16 'CODE' - ASSUME CS:_TEXT,DS:_DATA -endif -ENDM - -MACRO endcodeseg name -ifdef __VXD__ - MASM -VXD_LOCKED_CODE_ENDS - IDEAL -else -ifndef flatmodel -ENDS &name&_TEXT -endif -endif -ENDM - -MACRO endcodeseg_near -ifndef flatmodel -ENDS _TEXT -endif -ENDM - -; Macro to be invoked at the start of all modules to set up segments for -; later use. - -MACRO header name -begdataseg name -enddataseg name -ENDM - -; Macro for an extern C symbol. If the C compiler requires leading -; underscores, then the underscores are added to the symbol names, otherwise -; they are left off. The symbol name is referenced in the assembler code -; using the non-underscored symbol name. - -MACRO cextern name,size -ifdef __NOU_VAR__ - EXTRN name:size -else - EXTRN _&name&:size -name EQU _&name& -endif -ENDM - -MACRO cexternfunc name,size -ifdef __NOU__ - EXTRN name:size -else - EXTRN _&name&:size -name EQU _&name& -endif -ENDM - -MACRO stdexternfunc name,num_args,size -ifdef STDCALL_MANGLE - EXTRN _&name&@&num_args&:size -name EQU _&name&@&num_args -else - EXTRN name:size -endif -ENDM - -; Macro for a public C symbol. If the C compiler requires leading -; underscores, then the underscores are added to the symbol names, otherwise -; they are left off. The symbol name is referenced in the assembler code -; using the non-underscored symbol name. - -MACRO cpublic name -ifdef __NOU_VAR__ -name: - PUBLIC name -else -_&name&: - PUBLIC _&name& -name EQU _&name& -endif -ENDM - -; Macro for an global C symbol. If the C compiler requires leading -; underscores, then the underscores are added to the symbol names, otherwise -; they are left off. The symbol name is referenced in the assembler code -; using the non-underscored symbol name. - -MACRO cglobal name -ifdef __NOU_VAR__ - PUBLIC name -else - PUBLIC _&name& -name EQU _&name& -endif -ENDM - -; Macro for an global C function symbol. If the C compiler requires leading -; underscores, then the underscores are added to the symbol names, otherwise -; they are left off. The symbol name is referenced in the assembler code -; using the non-underscored symbol name. - -MACRO cglobalfunc name -ifdef __NOU__ - PUBLIC name -else - PUBLIC _&name& -name EQU _&name& -endif -ENDM - -; Macro to start a C callable function. This will be a far function for -; 16-bit code, and a near function for 32-bit code. - -MACRO cprocstatic name ; Set up model independant private proc -ifdef flatmodel -PROC name NEAR -else -PROC name FAR -endif -LocalSize = 0 -ENDM - -MACRO cprocstart name ; Set up model independant proc -ifdef flatmodel -ifdef __NOU__ -PROC name NEAR -else -PROC _&name& NEAR -endif -else -ifdef __NOU__ -PROC name FAR -else -PROC _&name& FAR -endif -endif -LocalSize = 0 - cglobalfunc name -ENDM - -MACRO cprocnear name ; Set up near proc -ifdef __NOU__ -PROC name NEAR -else -PROC _&name& NEAR -endif -LocalSize = 0 - cglobalfunc name -ENDM - -MACRO cprocfar name ; Set up far proc -ifdef __NOU__ -PROC name FAR -else -PROC _&name& FAR -endif -LocalSize = 0 - cglobalfunc name -ENDM - -MACRO cprocend ; End procedure macro -ENDP -ENDM - -; This macro sets up a procedure to be exported from a 16 bit DLL. Since the -; calling conventions are always _far _pascal for 16 bit DLL's, we actually -; rename this routine with an extra underscore with 'C' calling conventions -; and a small DLL stub will be provided by the high level code to call the -; assembler routine. - -MACRO cprocstartdll16 name -ifdef __WINDOWS16__ -cprocstart _&name& -else -cprocstart name -endif -ENDM - -; Macros for entering and exiting C callable functions. Note that we must -; always save and restore the SI and DI registers for C functions, and for -; 32 bit C functions we also need to save and restore EBX and clear the -; direction flag. - -MACRO save_c_regs -ifdef flatmodel - push ebx -endif - push _si - push _di -ENDM - -MACRO enter_c - push _bp - mov _bp,_sp - IFDIFI <LocalSize>,<0> - sub _sp,LocalSize - ENDIF - save_c_regs -ENDM - -MACRO restore_c_regs - pop _di - pop _si -ifdef flatmodel - pop ebx -endif -ENDM - -MACRO leave_c - restore_c_regs - cld - IFDIFI <LocalSize>,<0> - mov _sp,_bp - ENDIF - pop _bp -ENDM - -MACRO use_ebx -ifdef flatmodel - push ebx -endif -ENDM - -MACRO unuse_ebx -ifdef flatmodel - pop ebx -endif -ENDM - -; Macros for saving and restoring the value of DS,ES,FS,GS when it is to -; be used in assembly routines. This evaluates to nothing in the flat memory -; model, but is saves and restores DS in the large memory model. - -MACRO use_ds -ifndef flatmodel - push ds -endif -ENDM - -MACRO unuse_ds -ifndef flatmodel - pop ds -endif -ENDM - -MACRO use_es -ifndef flatmodel - push es -endif -ENDM - -MACRO unuse_es -ifndef flatmodel - pop es -endif -ENDM - -; Macros for loading the address of a data pointer into a segment and -; index register pair. The macro explicitly loads DS or ES in the 16 bit -; memory model, or it simply loads the offset into the register in the flat -; memory model since DS and ES always point to all addressable memory. You -; must use the correct _REG (ie: _BX) macros for documentation purposes. - -MACRO _lds reg, addr -ifdef flatmodel - mov reg,addr -else - lds reg,addr -endif -ENDM - -MACRO _les reg, addr -ifdef flatmodel - mov reg,addr -else - les reg,addr -endif -ENDM - -; Macros for adding and subtracting a value from registers. Two value are -; provided, one for 16 bit modes and another for 32 bit modes (the extended -; register is used in 32 bit modes). - -MACRO _add reg, val16, val32 -ifdef flatmodel - add e®&, val32 -else - add reg, val16 -endif -ENDM - -MACRO _sub reg, val16, val32 -ifdef flatmodel - sub e®&, val32 -else - sub reg, val16 -endif -ENDM - -; Macro to clear the high order word for the 32 bit extended registers. -; This is used to convert an unsigned 16 bit value to an unsigned 32 bit -; value, and will evaluate to nothing in 16 bit modes. - -MACRO clrhi reg -ifdef flatmodel - movzx e®&,reg -endif -ENDM - -MACRO sgnhi reg -ifdef flatmodel - movsx e®&,reg -endif -ENDM - -; Macro to load an extended register with an integer value in either mode - -MACRO loadint reg,val -ifdef flatmodel - mov e®&,val -else - xor e®&,e®& - mov reg,val -endif -ENDM - -; Macros to load and store integer values with string instructions - -MACRO LODSINT -ifdef flatmodel - lodsd -else - lodsw -endif -ENDM - -MACRO STOSINT -ifdef flatmodel - stosd -else - stosw -endif -ENDM - -; Macros to provide resb, resw, resd compatibility with NASM - -MACRO dclb count -db count dup (0) -ENDM - -MACRO dclw count -dw count dup (0) -ENDM - -MACRO dcld count -dd count dup (0) -ENDM - -; Macros to provide resb, resw, resd compatibility with NASM - -MACRO resb count -db count dup (?) -ENDM - -MACRO resw count -dw count dup (?) -ENDM - -MACRO resd count -dd count dup (?) -ENDM - -; Macros to declare assembler stubs for function structures - -MACRO BEGIN_STUBS_DEF name, firstOffset -begdataseg _STUBS -ifdef __NOU_VAR__ - EXTRN name:DWORD -STUBS_START = name -else - EXTRN _&name&:DWORD -name EQU _&name& -STUBS_START = _&name -endif -enddataseg _STUBS -begcodeseg _STUBS -off = firstOffset -ENDM - -MACRO DECLARE_STUB name -ifdef __NOU__ -name: - PUBLIC name -else -_&name: - PUBLIC _&name -endif - jmp [DWORD STUBS_START+off] -off = off + 4 -ENDM - -MACRO SKIP_STUB name -off = off + 4 -ENDM - -MACRO DECLARE_STDCALL name,num_args -ifdef STDCALL_MANGLE -_&name&@&num_args&: - PUBLIC _&name&@&num_args& -else -name: - PUBLIC name -endif - jmp [DWORD STUBS_START+off] -off = off + 4 -ENDM - -MACRO END_STUBS_DEF -endcodeseg _STUBS -ENDM - -MACRO BEGIN_IMPORTS_DEF name -BEGIN_STUBS_DEF name,4 -ENDM - -ifndef LOCAL_DECLARE_IMP -MACRO DECLARE_IMP name, numArgs -DECLARE_STUB name -ENDM - -MACRO SKIP_IMP name -SKIP_STUB name -ENDM - -MACRO SKIP_IMP2 name, numArgs -DECLARE_STUB name -ENDM - -MACRO SKIP_IMP3 name -SKIP_STUB name -ENDM -endif - -MACRO END_IMPORTS_DEF -END_STUBS_DEF -ENDM - -MACRO LEA_L reg,name - lea reg,[name] -ENDM - -MACRO LEA_G reg,name - lea reg,[name] -ENDM - -endif - |
