2025-03-07 01:10:44 +01:00

185 lines
4.0 KiB
PHP

; macros to write stuff to menuet's debug message board.
; the macros don't change any registers, not even flags.
; they take only effect if DEBUG is defined.
;
; Copyright (c) 2003 Thomas Mathys
; killer@vantage.ch
;
; This program is free software; you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation; either version 2 of the License, or
; (at your option) any later version.
;
; This program is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
; GNU General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with this program; if not, write to the Free Software
; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
;
if DEBUG eq
macro DBG_BOARD_PRINTNEWLINE {
}
macro DBG_BOARD_PRINTCHAR c1 {
}
macro DBG_BOARD_PRINTDWORD w1 {
}
macro DBG_BOARD_PRINTSTRINGLITERAL p1 {
}
macro DBG_BOARD_PRINTSTRING s1 {
}
else
;********************************************************************
; print newline
; no input
;********************************************************************
macro DBG_BOARD_PRINTNEWLINE {
call dbg_board_printnewline
}
;********************************************************************
; print a character
;
; examples : DBG_BOARD_PRINTCHAR '?'
; DBG_BOARD_PRINTCHAR 65
; DBG_BOARD_PRINTCHAR cl
; DBG_BOARD_PRINTCHAR [esi]
; DBG_BOARD_PRINTCHAR [somevariable]
;********************************************************************
macro DBG_BOARD_PRINTCHAR c1 {
push ecx
mov cl,byte c1
call dbg_board_printchar
pop ecx
}
;********************************************************************
; print a dword (in hex)
;
; examples: DBG_BOARD_PRINTDWORD esp
; DBG_BOARD_PRINTDWORD 0xdeadbeef
; DBG_BOARD_PRINTDWORD [somevariable]
;********************************************************************
macro DBG_BOARD_PRINTDWORD w1 {
push dword w1
call dbg_board_printdword
}
;********************************************************************
; print a string literal
; a terminating zero is automagically appended to the string.
;
; examples DBG_BOARD_PRINTSTRINGLITERAL "foo",0
; DBG_BOARD_PRINTSTRINGLITERAL "bar",10,13,0
;********************************************************************
macro DBG_BOARD_PRINTSTRINGLITERAL p1 {
local .foo
jmp @f
.foo db p1, 0 ; terminate string, just to be sure
@@:
push dword .foo
call dbg_board_printstring
}
;********************************************************************
; print a string (asciiz)
;
; examples DBG_BOARD_PRINTSTRING addressofstring
; DBG_BOARD_PRINTSTRING esi
; DBG_BOARD_PRINTSTRING [ebx]
;********************************************************************
macro DBG_BOARD_PRINTSTRING s1 {
push dword s1
call dbg_board_printstring
}
; no input
dbg_board_printnewline:
pushad
pushfd
mcall SF_BOARD,SSF_DEBUG_WRITE,10
mcall ,,13
popfd
popad
ret
; input : cl = character to print
dbg_board_printchar:
pushad
pushfd
and ecx,0xff
mcall SF_BOARD,SSF_DEBUG_WRITE
popfd
popad
ret
; input : dword to print on stack
dbg_board_printdword:
enter 0,0
pushad
pushfd
; print 0x prefix
mcall SF_BOARD,SSF_DEBUG_WRITE,'0'
mcall ,,'x'
mov edx,[ebp + 8] ; get dword to print
mov esi,8 ; iterate through all nibbles
.loop:
mov ecx,edx ; display hex digit
shr ecx,28
movzx ecx,byte [dbg_board_printdword_digits + ecx]
mcall
shl edx,4 ; next nibble
dec esi
jnz .loop
popfd
popad
leave
ret 4
dbg_board_printdword_digits:
db '0','1','2','3','4','5','6','7'
db '8','9','a','b','c','d','e','f'
; input : address of string (asciiz) to print on stack
dbg_board_printstring:
enter 0,0
pushad
pushfd
cld
mov esi,[ebp + 8] ; esi -> string
mov ebx,1
.loop:
lodsb ; get character
or al,al ; zero ?
je .done ; yeah -> get outta here
movzx ecx,al ; nope -> display character
mcall SF_BOARD
jmp .loop
.done:
popfd
popad
leave
ret 4
end if