693 lines
11 KiB
PHP
693 lines
11 KiB
PHP
; flat assembler
|
|
; Copyright (c) 1999-2012, Tomasz Grysztar
|
|
; All rights reserved.
|
|
|
|
struc FILEIO
|
|
{ .cmd dd ?
|
|
.offset dd ?
|
|
dd ?
|
|
.count dd ?
|
|
.buff dd ?
|
|
db ?
|
|
.name dd ?
|
|
};
|
|
|
|
struc FILEINFO
|
|
{ .attr dd ?
|
|
.flags dd ?
|
|
.cr_time dd ?
|
|
.cr_date dd ?
|
|
.acc_time dd ?
|
|
.acc_date dd ?
|
|
.mod_time dd ?
|
|
.mod_date dd ?
|
|
.size dd ?
|
|
}
|
|
|
|
|
|
|
|
;file_info_open: dd 0,0,0xffffff,0x20000,0xf0000
|
|
fullpath_open: ; db '/RD/1/EXAMPLE.ASM'
|
|
times MAX_PATH db 0
|
|
|
|
|
|
;file_info_write: dd 1,0,0,0,0xf0000
|
|
fullpath_write:; db '/RD/1/EXAMPLE'
|
|
times MAX_PATH db 0
|
|
|
|
file_info_start:
|
|
dd 7
|
|
dd 0
|
|
dd 0
|
|
dd 0
|
|
dd 0
|
|
fullpath_start: ; db '/RD/1/EXAMPLE'
|
|
times MAX_PATH db 0
|
|
|
|
file_info_debug:
|
|
dd 7
|
|
dd 0
|
|
dd fullpath_start
|
|
dd 0, 0
|
|
db '/SYS/DEVELOP/MTDBG',0
|
|
|
|
_ramdisk db '/RD/1/'
|
|
filepos dd 0x0
|
|
|
|
|
|
init_memory:
|
|
|
|
; mov ecx, 16*1024*1024
|
|
;
|
|
; allocate_memory:
|
|
mcall 18, 16
|
|
cmp eax, 0x38000000 shr 9
|
|
jbe @f
|
|
mov eax, 0x38000000 shr 9
|
|
@@:
|
|
shl eax, 9
|
|
xchg eax, ecx
|
|
mov [memory_setting],ecx
|
|
mcall 68, 12
|
|
or eax,eax
|
|
jz out_of_memory
|
|
mov [memblock], eax
|
|
mov [additional_memory],eax
|
|
add eax,[memory_setting]
|
|
mov [memory_end],eax
|
|
mov eax,[memory_setting]
|
|
shr eax,2
|
|
add eax,[additional_memory]
|
|
mov [additional_memory_end],eax
|
|
mov [memory_start],eax
|
|
ret
|
|
|
|
exit_program:
|
|
cmp [_mode],NORMAL_MODE
|
|
jne @f
|
|
mcall 68, 13, [memblock]
|
|
jmp still
|
|
@@:
|
|
or eax,-1
|
|
mcall
|
|
|
|
make_timestamp:
|
|
push ebx
|
|
mcall 26,9
|
|
imul eax,10
|
|
pop ebx
|
|
ret
|
|
|
|
symbol_dump:
|
|
|
|
push edi
|
|
mov edx,[memory_end]
|
|
symb_dump:
|
|
cmp edx,[labels_list]
|
|
jbe symbols_dumped
|
|
sub edx,LABEL_STRUCTURE_SIZE
|
|
cmp dword [edx+24],0
|
|
je symb_dump ; do not dump anonymous symbols
|
|
test byte [edx+8],1
|
|
jz symb_dump ; do not dump symbols that didn't get defined
|
|
mov ax,[current_pass]
|
|
cmp ax,[edx+16]
|
|
jne symb_dump
|
|
test byte [edx+8],4 or 2
|
|
jnz symb_dump ; do not dump assembly-time variables
|
|
; do not dump variables defined with '='
|
|
cmp word [edx+12], 0
|
|
jnz symb_dump ; do not dump register-based variables
|
|
|
|
mov al, '0'
|
|
stosb
|
|
mov al, 'x'
|
|
stosb
|
|
mov eax, [edx+4]
|
|
mov ecx, 8
|
|
@@:
|
|
rol eax, 4
|
|
test al, 0xF
|
|
loopz @b
|
|
jz .nohigh
|
|
inc ecx
|
|
@@:
|
|
push eax
|
|
and al, 0xF
|
|
cmp al, 10
|
|
sbb al, 69h
|
|
das
|
|
stosb
|
|
pop eax
|
|
rol eax, 4
|
|
loop @b
|
|
mov eax, [edx]
|
|
mov ecx, 8
|
|
jmp .low
|
|
.nohigh:
|
|
mov eax, [edx]
|
|
mov ecx, 8
|
|
@@:
|
|
rol eax, 4
|
|
test al, 0xF
|
|
loopz @b
|
|
inc ecx
|
|
.low:
|
|
push eax
|
|
and al, 0xF
|
|
cmp al, 10
|
|
sbb al, 69h
|
|
das
|
|
stosb
|
|
pop eax
|
|
rol eax, 4
|
|
loop .low
|
|
|
|
mov al, ' '
|
|
stosb
|
|
|
|
mov esi,[edx+24]
|
|
movzx ecx,byte [esi-1]
|
|
rep movsb
|
|
|
|
mov ax,0A0Dh
|
|
stosw
|
|
|
|
jmp symb_dump
|
|
|
|
symbols_dumped:
|
|
mov edx,dbgfilename
|
|
push esi edi
|
|
mov esi, outfile
|
|
mov edi, edx
|
|
@@:
|
|
lodsb
|
|
stosb
|
|
test al, al
|
|
jnz @b
|
|
lea ecx, [edi-1]
|
|
@@:
|
|
dec edi
|
|
cmp edi, edx
|
|
jb @f
|
|
cmp byte [edi], '/'
|
|
jz @f
|
|
cmp byte [edi], '.'
|
|
jnz @b
|
|
mov ecx, edi
|
|
@@:
|
|
mov dword [ecx], '.dbg'
|
|
mov byte [ecx+4], 0
|
|
pop edi esi
|
|
call create
|
|
mov edx,[esp]
|
|
mov ecx,edi
|
|
sub ecx,edx
|
|
call write
|
|
call close
|
|
pop edi
|
|
|
|
ret
|
|
|
|
get_environment_variable:
|
|
mov ecx,[memory_end]
|
|
sub ecx,edi
|
|
cmp ecx,7
|
|
jb out_of_memory
|
|
cmp dword[esi],'INCL'
|
|
jne .finish
|
|
mov esi,_ramdisk
|
|
mov ecx,6
|
|
cld
|
|
rep movsb
|
|
.finish:
|
|
; stc
|
|
ret
|
|
|
|
alloc_handle:
|
|
call make_fullpaths
|
|
mov ebx, fileinfos+4
|
|
@@:
|
|
cmp dword [ebx], -1
|
|
jz .found
|
|
add ebx, 4+20+MAX_PATH
|
|
cmp ebx, fileinfos_end
|
|
jb @b
|
|
stc
|
|
ret
|
|
.found:
|
|
and dword [ebx+4], 0
|
|
and dword [ebx+8], 0
|
|
push esi edi ecx
|
|
mov esi, fullpath_open
|
|
lea edi, [ebx+20]
|
|
mov ecx, MAX_PATH
|
|
rep movsb
|
|
pop ecx edi esi
|
|
ret ; CF=0
|
|
|
|
create:
|
|
call alloc_handle
|
|
jc .ret
|
|
and dword [ebx-4], 0
|
|
mov dword [ebx], 2
|
|
.ret:
|
|
ret
|
|
|
|
|
|
open:
|
|
; call make_fullpaths
|
|
|
|
;; mov eax,fullpath_open
|
|
;; DEBUGF '"%s"\n',eax
|
|
|
|
; mov dword[file_info_open+8],-1
|
|
; mcall 58,file_info_open
|
|
; or eax,eax ; found
|
|
; jz @f
|
|
; cmp eax,6
|
|
; jne file_error
|
|
;@@: mov [filesize],ebx
|
|
; clc
|
|
; ret
|
|
;file_error:
|
|
; stc
|
|
; ret
|
|
|
|
call alloc_handle
|
|
jc .ret
|
|
mov dword [ebx], 5
|
|
and dword [ebx+12], 0
|
|
mov dword [ebx+16], fileinfo
|
|
mov eax, 70
|
|
push ebx
|
|
mcall
|
|
pop ebx
|
|
test eax, eax
|
|
jnz .fail
|
|
mov eax, [fileinfo.size]
|
|
mov [ebx-4], eax
|
|
and dword [ebx], 0
|
|
.ret:
|
|
ret
|
|
.fail:
|
|
or dword [ebx], -1 ; close handle
|
|
stc
|
|
ret
|
|
|
|
read:
|
|
; pusha
|
|
; mov edi,edx
|
|
; mov esi,[filepos]
|
|
; add esi,0x20000
|
|
; cld
|
|
; rep movsb
|
|
; popa
|
|
;; ret
|
|
|
|
mov [ebx+12], ecx
|
|
mov [ebx+16], edx
|
|
push ebx
|
|
mov eax, 70
|
|
mcall
|
|
xchg eax, [esp]
|
|
add [eax+4], ebx
|
|
adc [eax+8], dword 0
|
|
mov ebx, eax
|
|
pop eax
|
|
test eax, eax
|
|
jz .ok
|
|
cmp eax, 6
|
|
jz .ok
|
|
stc
|
|
.ok:
|
|
ret
|
|
|
|
close:
|
|
or dword [ebx], -1
|
|
ret
|
|
|
|
|
|
; ebx file handle
|
|
; ecx count of bytes to write
|
|
; edx pointer to buffer
|
|
write:
|
|
; pusha
|
|
; mov [file_info_write+8],ecx
|
|
; mov [file_info_write+12],edx
|
|
; mov [filesize],edx
|
|
; mov eax,58
|
|
; mov ebx,file_info_write
|
|
; mcall
|
|
; popa
|
|
; ret
|
|
|
|
mov [ebx+12], ecx
|
|
mov [ebx+16], edx
|
|
push ebx
|
|
mov eax, 70
|
|
mcall
|
|
xchg eax, [esp]
|
|
add [eax+4], ebx
|
|
adc [eax+8], dword 0
|
|
mov ebx, eax
|
|
pop eax
|
|
mov byte [ebx], 3
|
|
cmp eax, 1
|
|
cmc
|
|
ret
|
|
|
|
make_fullpaths:
|
|
pusha
|
|
push edx
|
|
|
|
mov esi,path ; open
|
|
; DEBUGF " '%s'",esi
|
|
mov edi,fullpath_open
|
|
cld
|
|
newc1:
|
|
movsb
|
|
cmp byte[esi],0;' '
|
|
jne newc1
|
|
mov esi,[esp]
|
|
|
|
cmp byte[esi],'/'
|
|
jne @f
|
|
mov edi,fullpath_open
|
|
|
|
@@:
|
|
lodsb
|
|
stosb
|
|
cmp al,0
|
|
jne @b
|
|
; mov ecx,12
|
|
; cld
|
|
; rep movsb
|
|
; mov byte[edi],0
|
|
|
|
mov esi,path ; write
|
|
mov edi,fullpath_write
|
|
cld
|
|
newc2:
|
|
movsb
|
|
cmp byte[esi],0;' '
|
|
jne newc2
|
|
mov esi,[esp]
|
|
|
|
cmp byte[esi],'/'
|
|
jne @f
|
|
mov edi,fullpath_write
|
|
|
|
@@:
|
|
lodsb
|
|
stosb
|
|
cmp al,0
|
|
jne @b
|
|
; mov ecx,12
|
|
; cld
|
|
; rep movsb
|
|
; mov byte[edi],0
|
|
|
|
mov esi,path ; start
|
|
mov edi,fullpath_start
|
|
cld
|
|
newc3:
|
|
movsb
|
|
cmp byte[esi],0;' '
|
|
jne newc3
|
|
; mov esi,[esp]
|
|
pop esi
|
|
|
|
cmp byte[esi],'/'
|
|
jne @f
|
|
mov edi,fullpath_start
|
|
|
|
@@:
|
|
lodsb
|
|
stosb
|
|
cmp al,0
|
|
jne @b
|
|
; mov ecx,12
|
|
; cld
|
|
; rep movsb
|
|
; mov byte[edi],0
|
|
|
|
; add esp,4
|
|
popa
|
|
ret
|
|
|
|
|
|
|
|
lseek:
|
|
cmp al,0
|
|
jnz @f
|
|
and dword [ebx+4], 0
|
|
and dword [ebx+8], 0
|
|
@@: cmp al,2
|
|
jnz @f
|
|
mov eax, [ebx-4]
|
|
mov [ebx+4], eax
|
|
and dword [ebx+8], 0
|
|
@@: add dword [ebx+4], edx
|
|
adc dword [ebx+8], 0
|
|
ret
|
|
|
|
display_character:
|
|
pusha
|
|
cmp [_mode],NORMAL_MODE
|
|
jne @f
|
|
cmp dl,13
|
|
jz dc2
|
|
cmp dl,0xa
|
|
jnz dc1
|
|
and [textxy],0x0000FFFF
|
|
add [textxy], 7 shl 16 +53 and 0xFFFF0000 + 16
|
|
dc2:
|
|
popa
|
|
ret
|
|
dc1:
|
|
mov eax,[textxy]
|
|
cmp ax,word[bottom_right]
|
|
ja dc2
|
|
shr eax,16
|
|
cmp ax,word[bottom_right+2]
|
|
ja dc2
|
|
mov [dc],dl
|
|
mcall 4,[textxy],0x10000000,dc,1
|
|
add [textxy],0x00080000
|
|
popa
|
|
ret
|
|
@@:
|
|
mov eax,63
|
|
mov ebx,1
|
|
mov cl,dl
|
|
mcall
|
|
popa
|
|
ret
|
|
|
|
|
|
display_string:
|
|
pusha
|
|
@@:
|
|
cmp byte[esi],0
|
|
je @f
|
|
mov dl,[esi]
|
|
call display_character
|
|
add esi,1
|
|
jmp @b
|
|
@@:
|
|
popa
|
|
ret
|
|
|
|
display_number:
|
|
push ebx
|
|
mov ecx,1000000000
|
|
xor edx,edx
|
|
xor bl,bl
|
|
display_loop:
|
|
div ecx
|
|
push edx
|
|
cmp ecx,1
|
|
je display_digit
|
|
or bl,bl
|
|
jnz display_digit
|
|
or al,al
|
|
jz digit_ok
|
|
not bl
|
|
display_digit:
|
|
mov dl,al
|
|
add dl,30h
|
|
push ebx ecx
|
|
call display_character
|
|
pop ecx ebx
|
|
digit_ok:
|
|
mov eax,ecx
|
|
xor edx,edx
|
|
mov ecx,10
|
|
div ecx
|
|
mov ecx,eax
|
|
pop eax
|
|
or ecx,ecx
|
|
jnz display_loop
|
|
pop ebx
|
|
ret
|
|
|
|
display_user_messages:
|
|
; push [skinh]
|
|
; pop [textxy]
|
|
; add [textxy], 7 shl 16 +53
|
|
mov [displayed_count],0
|
|
call show_display_buffer
|
|
cmp [displayed_count],1
|
|
jb line_break_ok
|
|
je make_line_break
|
|
mov ax,word[last_displayed]
|
|
cmp ax,0A0Dh
|
|
je line_break_ok
|
|
cmp ax,0D0Ah
|
|
je line_break_ok
|
|
make_line_break:
|
|
mov esi,lf
|
|
call display_string
|
|
line_break_ok:
|
|
ret
|
|
|
|
display_block:
|
|
pusha
|
|
@@: mov dl,[esi]
|
|
call display_character
|
|
inc esi
|
|
loop @b
|
|
popa
|
|
ret
|
|
|
|
fatal_error:
|
|
mov esi,error_prefix
|
|
call display_string
|
|
pop esi
|
|
call display_string
|
|
mov esi,error_suffix
|
|
call display_string
|
|
mov esi,lf
|
|
call display_string
|
|
mov al,0FFh
|
|
jmp exit_program
|
|
|
|
assembler_error:
|
|
call display_user_messages
|
|
push dword 0
|
|
mov ebx,[current_line]
|
|
get_error_lines:
|
|
push ebx
|
|
test byte [ebx+7],80h
|
|
jz display_error_line
|
|
mov edx,ebx
|
|
find_definition_origin:
|
|
mov edx,[edx+12]
|
|
test byte [edx+7],80h
|
|
jnz find_definition_origin
|
|
push edx
|
|
mov ebx,[ebx+8]
|
|
jmp get_error_lines
|
|
display_error_line:
|
|
mov esi,[ebx]
|
|
call display_string
|
|
mov esi,line_number_start
|
|
call display_string
|
|
mov eax,[ebx+4]
|
|
and eax,7FFFFFFFh
|
|
call display_number
|
|
mov dl,']'
|
|
call display_character
|
|
pop esi
|
|
cmp ebx,esi
|
|
je line_number_ok
|
|
mov dl,20h
|
|
call display_character
|
|
push esi
|
|
mov esi,[esi]
|
|
movzx ecx,byte [esi]
|
|
inc esi
|
|
call display_block
|
|
mov esi,line_number_start
|
|
call display_string
|
|
pop esi
|
|
mov eax,[esi+4]
|
|
and eax,7FFFFFFFh
|
|
call display_number
|
|
mov dl,']'
|
|
call display_character
|
|
line_number_ok:
|
|
mov esi,line_data_start
|
|
call display_string
|
|
mov esi,ebx
|
|
mov edx,[esi]
|
|
call open
|
|
mov al,2
|
|
xor edx,edx
|
|
call lseek
|
|
mov edx,[esi+8]
|
|
sub eax,edx
|
|
push eax
|
|
xor al,al
|
|
call lseek
|
|
mov ecx,[esp]
|
|
mov edx,[additional_memory]
|
|
lea eax,[edx+ecx]
|
|
cmp eax,[additional_memory_end]
|
|
ja out_of_memory
|
|
call read
|
|
call close
|
|
pop ecx
|
|
mov esi,[additional_memory]
|
|
get_line_data:
|
|
mov al,[esi]
|
|
cmp al,0Ah
|
|
je display_line_data
|
|
cmp al,0Dh
|
|
je display_line_data
|
|
cmp al,1Ah
|
|
je display_line_data
|
|
or al,al
|
|
jz display_line_data
|
|
inc esi
|
|
loop get_line_data
|
|
display_line_data:
|
|
mov ecx,esi
|
|
mov esi,[additional_memory]
|
|
sub ecx,esi
|
|
call display_block
|
|
mov esi,cr_lf
|
|
call display_string
|
|
pop ebx
|
|
or ebx,ebx
|
|
jnz display_error_line
|
|
mov esi,error_prefix
|
|
call display_string
|
|
pop esi
|
|
call display_string
|
|
mov esi,error_suffix
|
|
call display_string
|
|
jmp exit_program
|
|
|
|
align 4
|
|
fileinfo FILEINFO
|
|
|
|
character db ?,0
|
|
bytes_count dd ?
|
|
|
|
textxy dd 0x000500A0
|
|
dc db 0x0
|
|
filesize dd 0x0
|
|
|
|
displayed_count dd ?
|
|
last_displayed rb 2
|
|
|
|
error_prefix db 'error: ',0
|
|
error_suffix db '.',0
|
|
line_data_start db ':'
|
|
cr_lf db 0Dh,0Ah,0
|
|
line_number_start db ' [',0
|
|
|
|
macro dm string { db string,0 }
|