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PCLogging.asm
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PCLogging.asm
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Get_PC_Log_Parent PROTO
Log_Base16 PROTO :DWORD,:WORD
Log_Newline PROTO
WARN_SIZE_STEP equ 20 * 1024 * 1024
align 16
Get_PC_Log_Parent proc
.if DebuggerActive == TRUE
mov eax, Debugger_hWnd ; debugger main window
.else
mov eax, hWnd ; specemu main window
.endif
ret
Get_PC_Log_Parent endp
; brings up a file requester if lpFilename = NULL
align 16
Start_PC_Logging proc uses ebx,
lpFilename: PTR
local hParent: HWND,
ofn: OPENFILENAME
ifc DoLogging eq TRUE then ret ; exit immediately if already logging
mov InitialLogOpcode, FALSE
mov ebx, FALSE
.if lpFilename == NULL
mov hParent, $fnc (Get_PC_Log_Parent)
.if $fnc (SaveFileName, hParent, SADD ("Save PC Log"), addr szLOGFilter, addr ofn, addr PCLog_Filename, addr LOGExt, 0) != 0
.if $fnc (AskOverwriteFile, addr PCLog_Filename, hParent, addr szWindowName) == TRUE
mov ebx, TRUE
.endif
.endif
.else
strncpy lpFilename, addr PCLog_Filename, sizeof PCLog_Filename
mov ebx, TRUE
.endif
.if ebx
mov PCLogFileStream, $fnc (CreateFileStream, addr PCLog_Filename, FSA_WRITE, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 16384)
.if eax != -1
mov DoLogging, TRUE
mov PCLog_Filesize, 0
mov PCLog_Warnsize, WARN_SIZE_STEP
mov ax, zPC
inc ax
mov PrevzPC, ax ; ensure logging of first opcode. previous PC != PC
mov InitialLogOpcode, TRUE ; initial log opcode has initial register values dumped
.endif
.endif
invoke SetDebuggerLogButtonState
ret
Start_PC_Logging endp
align 16
Stop_PC_Logging proc
ifc DoLogging eq FALSE then ret
invoke Log_Newline
invoke Log_Registers
invoke CloseFileStream, PCLogFileStream
mov DoLogging, FALSE
invoke SetDebuggerLogButtonState
ret
Stop_PC_Logging endp
align 16
SetDebuggerLogButtonState proc uses ebx
ifc DebuggerActive eq FALSE then ret
invoke CheckDlgButton, Debugger_hWnd, IDC_START_STOP_LOGGING_CHK, ZeroExt (DoLogging)
.if DoLogging == TRUE
mov ebx, CTXT ("Stop PC Trace")
.else
mov ebx, CTXT ("Start PC Trace")
.endif
invoke SetDlgItemText, Debugger_hWnd, IDC_START_STOP_LOGGING_CHK, ebx
ret
SetDebuggerLogButtonState endp
align 16
Log_PC proc uses ebx
local textstring: TEXTSTRING,
pTEXTSTRING:DWORD
.if DoLogging == TRUE
; start PC logging code
mov ax, zPC
.if ax != PrevzPC
.if InitialLogOpcode ; initial log opcode has initial register values dumped (this gets set back to TRUE at the start of each frame)
invoke Log_Newline
invoke Log_Registers
invoke Log_Newline
mov InitialLogOpcode, FALSE
.endif
invoke INITTEXTSTRING, addr textstring, addr pTEXTSTRING
invoke Log_Base16, pTEXTSTRING, zPC
; push ebx
; mov bx, zPC
; call MemGetByte
; ADDTEXTHEX pTEXTSTRING, al
; pop ebx
; ADDCHAR pTEXTSTRING, 32
; log current tstate count
ADDTEXTDECIMAL pTEXTSTRING, totaltstates, ATD_SPACES
ifdef LOGOPCODES
ADDCHAR pTEXTSTRING, 9
mov ax, zPC
mov Z80PC, ax
invoke DisassembleLine, pTEXTSTRING
endif
ADDCHAR pTEXTSTRING, 13, 10
; mov ecx, len (addr textstring)
mov ecx, $fnc (GETTEXTLEN, pTEXTSTRING)
add PCLog_Filesize, ecx
invoke WriteFileStream, PCLogFileStream, addr textstring, ecx
; warn on filesize of PC log file
mov eax, PCLog_Filesize
.if eax >= PCLog_Warnsize
add PCLog_Warnsize, WARN_SIZE_STEP
pushad
invoke INITTEXTSTRING, addr textstring, addr pTEXTSTRING
ADDDIRECTTEXTSTRING pTEXTSTRING, "Your PC log file size is now "
invoke IntDiv, PCLog_Filesize, 1024 * 1024
ADDTEXTDECIMAL pTEXTSTRING, eax
ADDDIRECTTEXTSTRING pTEXTSTRING, " MB."
ADDCHAR pTEXTSTRING, 13
ADDDIRECTTEXTSTRING pTEXTSTRING, " Do you want to continue logging?"
MouseOn
mov ebx, $fnc (Get_PC_Log_Parent)
invoke ShowMessageBox, ebx, addr textstring, addr szWindowName, MB_YESNO or MB_ICONWARNING or MB_DEFBUTTON1
.if eax == IDNO
invoke Stop_PC_Logging
invoke ShowMessageBox, $fnc (Get_PC_Log_Parent), SADD ("PC logging has stopped."), addr szWindowName, MB_OK or MB_ICONINFORMATION
.endif
MouseOff
popad
.endif
.endif
; end PC logging code
.endif
ret
Log_PC endp
align 16
Log_Registers proc
local textstring: TEXTSTRING,
pTEXTSTRING:DWORD
.if DoLogging == TRUE
; log all registers
invoke INITTEXTSTRING, addr textstring, addr pTEXTSTRING
ADDDIRECTTEXTSTRING pTEXTSTRING, "PC: #"
mov ax, zPC
ADDTEXTHEX pTEXTSTRING, ax
ADDCHAR pTEXTSTRING, 9
ADDDIRECTTEXTSTRING pTEXTSTRING, "SP: #"
mov ax, z80registers._sp
ADDTEXTHEX pTEXTSTRING, ax
ADDCHAR pTEXTSTRING, 13, 10
ADDDIRECTTEXTSTRING pTEXTSTRING, "IX: #"
mov ax, z80registers.ix.w
ADDTEXTHEX pTEXTSTRING, ax
ADDCHAR pTEXTSTRING, 9
ADDDIRECTTEXTSTRING pTEXTSTRING, "IY: #"
mov ax, z80registers.iy.w
ADDTEXTHEX pTEXTSTRING, ax
ADDCHAR pTEXTSTRING, 13, 10
ADDDIRECTTEXTSTRING pTEXTSTRING, "HL: #"
mov ax, z80registers.hl.w
ADDTEXTHEX pTEXTSTRING, ax
ADDCHAR pTEXTSTRING, 9
ADDDIRECTTEXTSTRING pTEXTSTRING, "HL': #"
mov ax, z80registers.hl_.w
ADDTEXTHEX pTEXTSTRING, ax
ADDCHAR pTEXTSTRING, 13, 10
ADDDIRECTTEXTSTRING pTEXTSTRING, "DE: #"
mov ax, z80registers.de.w
ADDTEXTHEX pTEXTSTRING, ax
ADDCHAR pTEXTSTRING, 9
ADDDIRECTTEXTSTRING pTEXTSTRING, "DE': #"
mov ax, z80registers.de_.w
ADDTEXTHEX pTEXTSTRING, ax
ADDCHAR pTEXTSTRING, 13, 10
ADDDIRECTTEXTSTRING pTEXTSTRING, "BC: #"
mov ax, z80registers.bc.w
ADDTEXTHEX pTEXTSTRING, ax
ADDCHAR pTEXTSTRING, 9
ADDDIRECTTEXTSTRING pTEXTSTRING, "BC': #"
mov ax, z80registers.bc_.w
ADDTEXTHEX pTEXTSTRING, ax
ADDCHAR pTEXTSTRING, 13, 10
ADDDIRECTTEXTSTRING pTEXTSTRING, "AF: #"
mov ax, z80registers.af.w
ADDTEXTHEX pTEXTSTRING, ax
ADDCHAR pTEXTSTRING, 9
ADDDIRECTTEXTSTRING pTEXTSTRING, "AF': #"
mov ax, z80registers.af_.w
ADDTEXTHEX pTEXTSTRING, ax
ADDCHAR pTEXTSTRING, 13, 10
ADDDIRECTTEXTSTRING pTEXTSTRING, "IR: #"
mov ah, z80registers.i
mov al, z80registers.r
and al, 127
or al, z80registers.r_msb
ADDTEXTHEX pTEXTSTRING, ax
ADDCHAR pTEXTSTRING, 9
ADDDIRECTTEXTSTRING pTEXTSTRING, "IM: #"
mov al, z80registers.intmode
ADDTEXTHEX pTEXTSTRING, al
ADDCHAR pTEXTSTRING, 13, 10
mov ecx, len (addr textstring)
add PCLog_Filesize, ecx
invoke WriteFileStream, PCLogFileStream, addr textstring, ecx; len (addr textstring)
; end log all registers
.endif
ret
Log_Registers endp
align 16
Log_Base16 proc lptextstring: DWORD,
val16: WORD
.if ShowHex == TRUE
ADDTEXTHEX lptextstring, val16
.else
ADDTEXTDECIMAL lptextstring, val16, ATD_SPACES
.endif
ret
Log_Base16 endp
.const
Log_Newline_txt db 13, 10
.code
align 16
Log_Newline proc
invoke WriteFileStream, PCLogFileStream, addr Log_Newline_txt, sizeof Log_Newline_txt
add PCLog_Filesize, sizeof Log_Newline_txt
ret
Log_Newline endp