YuuMJ1997/CE-Collections
1
0
Fork 0
mirror of https://github.com/WindowsNT351/CE-Collections.git synced 2025-12-27 01:20:25 +08:00
Code Issues Packages Projects Releases Wiki Activity
CE-Collections/DOS/LOADCEPC/debug.cod
WindowsNT351 8312ba839e 201B02
2024-07-09 16:58:42 +08:00

395 lines
11 KiB
Plaintext
Raw Blame History

; Static Name Aliases
;
TITLE debug.c
.286p
.287
INCLUDELIB SLIBCE
INCLUDELIB OLDNAMES.LIB
_TEXT SEGMENT WORD PUBLIC 'CODE'
_TEXT ENDS
_DATA SEGMENT WORD PUBLIC 'DATA'
_DATA ENDS
CONST SEGMENT WORD PUBLIC 'CONST'
CONST ENDS
_BSS SEGMENT WORD PUBLIC 'BSS'
_BSS ENDS
$$SYMBOLS SEGMENT BYTE PUBLIC 'DEBSYM'
$$SYMBOLS ENDS
$$TYPES SEGMENT BYTE PUBLIC 'DEBTYP'
$$TYPES ENDS
DGROUP GROUP CONST, _BSS, _DATA
ASSUME DS: DGROUP, SS: DGROUP
PUBLIC _iComTotal
EXTRN _printf:NEAR
EXTRN _BootArgs:DWORD
_DATA SEGMENT
_iComTotal DW 00H
$SG370 DB 'port status error=%xh i=%u', 0dH, 00H
_DATA ENDS
_TEXT SEGMENT
ASSUME CS: _TEXT
PUBLIC _OEMInitDebugSerial
_OEMInitDebugSerial PROC NEAR
;|*** //
;|*** // Copyright (c) Microsoft Corporation. All rights reserved.
;|*** //
;|*** //
;|*** // Use of this sample source code is subject to the terms of the Microsoft
;|*** // license agreement under which you licensed this sample source code. If
;|*** // you did not accept the terms of the license agreement, you are not
;|*** // authorized to use this sample source code. For the terms of the license,
;|*** // please see the license agreement between you and Microsoft or, if applicable,
;|*** // see the LICENSE.RTF on your install media or the root of your tools installation.
;|*** // THE SAMPLE SOURCE CODE IS PROVIDED "AS IS", WITH NO WARRANTIES.
;|*** //
;|*** /*++
;|*** THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
;|*** ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
;|*** THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
;|*** PARTICULAR PURPOSE.
;|***
;|*** Module Name:
;|***
;|*** Abstract:
;|***
;|*** Functions:
;|***
;|***
;|*** Notes:
;|***
;|*** --*/
;|***
;|*** #include <windows.h>
;|***
;|*** unsigned char __inline READ_PORT_UCHAR(unsigned char *port)
;|*** {
;|*** return _inp((unsigned short)port);
;|*** }
;|***
;|*** void __inline WRITE_PORT_UCHAR(unsigned char * port, unsigned char value)
;|*** {
;|*** _outp((unsigned short)port, (value));
;|*** }
;|***
;|*** #define LS_TSR_EMPTY 0x40
;|*** #define LS_THR_EMPTY 0x20
;|*** #define LS_RX_BREAK 0x10
;|*** #define LS_RX_FRAMING_ERR 0x08
;|*** #define LS_RX_PARITY_ERR 0x04
;|*** #define LS_RX_OVERRUN 0x02
;|*** #define LS_RX_DATA_READY 0x01
;|***
;|*** #define LS_RX_ERRORS ( LS_RX_FRAMING_ERR | LS_RX_PARITY_ERR | LS_RX_OVERRUN )
;|***
;|*** #define COM1_BASE 0x03F8
;|*** #define COM2_BASE 0x02F8
;|***
;|*** #define comTxBuffer 0x00
;|*** #define comRxBuffer 0x00
;|*** #define comDivisorLow 0x00
;|*** #define comDivisorHigh 0x01
;|*** #define comIntEnable 0x01
;|*** #define comIntId 0x02
;|*** #define comFIFOControl 0x02
;|*** #define comLineControl 0x03
;|*** #define comModemControl 0x04
;|*** #define comLineStatus 0x05
;|*** #define comModemStatus 0x06
;|***
;|*** #define IoPortBase ( (unsigned char *) COM1_BASE )
;|***
;|*** extern struct _ARGUMENTS
;|*** {
;|*** unsigned char ucVideoMode;
;|*** unsigned char ucComPort;
;|*** unsigned char ucBaudDivisor;
;|*** unsigned char ucPCIConfigType;
;|*** } BootArgs;
;|***
;|*** // 14400 = 8
;|*** // 16457 = 7 +/-
;|*** // 19200 = 6
;|*** // 23040 = 5
;|*** // 28800 = 4
;|*** // 38400 = 3
;|*** // 57600 = 2
;|*** // 115200 = 1
;|***
;|***
;|*** void OEMInitDebugSerial(void)
;|*** {
; Line 88
; ucArgs = -4
; dwSize = -6
;|*** unsigned char ucArgs[3];
;|*** unsigned int dwSize;
;|***
;|*** dwSize = sizeof(ucArgs);
;|***
;|*** WRITE_PORT_UCHAR(IoPortBase+comLineControl, 0x80); // Access Baud Divisor
; Line 94
*** 000000 b8 80 00 mov ax,128 ;0080H
*** 000003 ba fb 03 mov dx,1019 ;03fbH
*** 000006 ee out dx, al
;|*** WRITE_PORT_UCHAR(IoPortBase+comDivisorLow, BootArgs.ucBaudDivisor&0x7f); // 19200
; Line 95
*** 000007 a0 02 00 mov al,BYTE PTR _BootArgs+2
*** 00000a 25 7f 00 and ax,127 ;007fH
*** 00000d ba f8 03 mov dx,1016 ;03f8H
*** 000010 ee out dx, al
;|*** WRITE_PORT_UCHAR(IoPortBase+comDivisorHigh, 0x00);
; Line 96
*** 000011 33 c0 xor ax,ax
*** 000013 ba f9 03 mov dx,1017 ;03f9H
*** 000016 ee out dx, al
;|*** WRITE_PORT_UCHAR(IoPortBase+comFIFOControl, 0x01); // Enable FIFO if present
; Line 97
*** 000017 b8 01 00 mov ax,1
*** 00001a ba fa 03 mov dx,1018 ;03faH
*** 00001d ee out dx, al
;|*** WRITE_PORT_UCHAR(IoPortBase+comLineControl, 0x03); // 8 bit, no parity
; Line 98
*** 00001e b8 03 00 mov ax,3
*** 000021 ba fb 03 mov dx,1019 ;03fbH
*** 000024 ee out dx, al
;|***
;|*** WRITE_PORT_UCHAR(IoPortBase+comIntEnable, 0x00); // No interrupts, polled
; Line 100
*** 000025 33 c0 xor ax,ax
*** 000027 ba f9 03 mov dx,1017 ;03f9H
*** 00002a ee out dx, al
;|***
;|*** WRITE_PORT_UCHAR(IoPortBase+comModemControl, 0x03); // Assert DTR, RTS
; Line 102
*** 00002b b8 03 00 mov ax,3
*** 00002e ba fc 03 mov dx,1020 ;03fcH
*** 000031 ee out dx, al
;|*** }
; Line 103
*** 000032 c3 ret
*** 000033 90 nop
_OEMInitDebugSerial ENDP
PUBLIC _OEMWriteDebugString
_OEMWriteDebugString PROC NEAR
;|***
;|*** void OEMWriteDebugString(unsigned short *str)
;|*** {
; Line 106
*** 000034 55 push bp
*** 000035 8b ec mov bp,sp
*** 000037 57 push di
; str = 4
*** 000038 8b 5e 04 mov bx,WORD PTR [bp+4] ;str
;|*** while (*str)
; Line 107
*** 00003b 83 3f 00 cmp WORD PTR [bx],0
*** 00003e 74 1d je $EX337
$FC339:
*** 000040 89 5e 04 mov WORD PTR [bp+4],bx ;str
;|*** {
;|*** while (!(READ_PORT_UCHAR(IoPortBase+comLineStatus) & LS_THR_EMPTY))
; Line 109
$L398:
*** 000043 ba fd 03 mov dx,1021 ;03fdH
*** 000046 ec in al,dx
*** 000047 a8 20 test al,32 ;0020H
*** 000049 74 f8 je $L398
;|*** {
;|*** ;
;|*** }
;|***
;|*** WRITE_PORT_UCHAR(IoPortBase+comTxBuffer, (unsigned char)*str++);
; Line 114
*** 00004b 8b fb mov di,bx
*** 00004d 2a e4 sub ah,ah
*** 00004f 8a 05 mov al,BYTE PTR [di]
*** 000051 ba f8 03 mov dx,1016 ;03f8H
*** 000054 ee out dx, al
;|*** }
; Line 115
*** 000055 83 c3 02 add bx,2
*** 000058 83 3f 00 cmp WORD PTR [bx],0
*** 00005b 75 e3 jne $FC339
;|*** }
; Line 116
$EX337:
*** 00005d 5f pop di
*** 00005e c9 leave
*** 00005f c3 ret
_OEMWriteDebugString ENDP
PUBLIC _OEMWriteDebugByte
_OEMWriteDebugByte PROC NEAR
;|***
;|*** void OEMWriteDebugByte(BYTE ucChar)
;|*** {
; Line 119
*** 000060 55 push bp
*** 000061 8b ec mov bp,sp
; ucChar = 4
;|*** while (!(READ_PORT_UCHAR(IoPortBase+comLineStatus) & LS_THR_EMPTY))
; Line 120
$L408:
*** 000063 ba fd 03 mov dx,1021 ;03fdH
*** 000066 ec in al,dx
*** 000067 a8 20 test al,32 ;0020H
*** 000069 74 f8 je $L408
;|*** {
;|*** ;
;|*** }
;|***
;|*** WRITE_PORT_UCHAR(IoPortBase+comTxBuffer, ucChar);
; Line 125
*** 00006b 8a 46 04 mov al,BYTE PTR [bp+4] ;ucChar
*** 00006e 2a e4 sub ah,ah
*** 000070 ba f8 03 mov dx,1016 ;03f8H
*** 000073 ee out dx, al
;|*** }
; Line 126
*** 000074 c9 leave
*** 000075 c3 ret
_OEMWriteDebugByte ENDP
PUBLIC _OEMReadDebugBytes
_OEMReadDebugBytes PROC NEAR
;|***
;|*** int iComTotal=0;
;|*** void OEMReadDebugBytes(unsigned char * ucBuffer, int usReadSize) {
; Line 129
*** 000076 c8 04 00 00 enter 4,0
*** 00007a 57 push di
; ucBuffer = 4
; usReadSize = 6
; i = -4
; uStat = -1
;|*** int i=0;
; Line 130
*** 00007b 33 db xor bx,bx
*** 00007d 8b 4e 06 mov cx,WORD PTR [bp+6] ;usReadSize
*** 000080 8b 7e 04 mov di,WORD PTR [bp+4] ;ucBuffer
;|*** unsigned char uStat;
;|***
;|*** while (usReadSize--) {
; Line 133
$FC361:
*** 000083 8b c1 mov ax,cx
*** 000085 49 dec cx
*** 000086 0b c0 or ax,ax
*** 000088 74 38 je $EX357
*** 00008a 89 4e 06 mov WORD PTR [bp+6],cx ;usReadSize
;|*** do {
;|*** uStat=READ_PORT_UCHAR(IoPortBase+comLineStatus);
; Line 135
$L414:
;|*** if (uStat & LS_RX_ERRORS) {
; Line 136
*** 00008d ba fd 03 mov dx,1021 ;03fdH
*** 000090 ec in al,dx
*** 000091 88 46 ff mov BYTE PTR [bp-1],al ;uStat
*** 000094 a8 0e test al,14 ;000eH
*** 000096 75 14 jne $L420
;|*** while (1)
;|*** printf("port status error=%xh i=%u\r",uStat,iComTotal);
;|*** }
;|*** } while (!(uStat&LS_RX_DATA_READY));
; Line 140
*** 000098 f6 46 ff 01 test BYTE PTR [bp-1],1 ;uStat
*** 00009c 74 ef je $L414
;|*** ucBuffer[i++]=READ_PORT_UCHAR(IoPortBase+comRxBuffer);
; Line 141
*** 00009e ba f8 03 mov dx,1016 ;03f8H
*** 0000a1 ec in al,dx
*** 0000a2 88 01 mov BYTE PTR [bx][di],al
*** 0000a4 43 inc bx
;|*** iComTotal++;
; Line 142
*** 0000a5 ff 06 00 00 inc WORD PTR _iComTotal
;|*** }
; Line 143
*** 0000a9 eb d8 jmp SHORT $FC361
*** 0000ab 90 nop
$L420:
;|*** printf("port status error=%xh i=%u\r",uStat,iComTotal);
; Line 138
*** 0000ac ff 36 00 00 push WORD PTR _iComTotal
*** 0000b0 8a 46 ff mov al,BYTE PTR [bp-1] ;uStat
*** 0000b3 2a e4 sub ah,ah
*** 0000b5 50 push ax
*** 0000b6 68 00 00 push OFFSET DGROUP:$SG370
*** 0000b9 e8 00 00 call _printf
*** 0000bc 83 c4 06 add sp,6
*** 0000bf eb eb jmp SHORT $L420
*** 0000c1 90 nop
;|*** }
;|*** } while (!(uStat&LS_RX_DATA_READY));
;|*** ucBuffer[i++]=READ_PORT_UCHAR(IoPortBase+comRxBuffer);
;|*** iComTotal++;
;|*** }
;|*** }
; Line 144
$EX357:
*** 0000c2 5f pop di
*** 0000c3 c9 leave
*** 0000c4 c3 ret
*** 0000c5 90 nop
_OEMReadDebugBytes ENDP
PUBLIC _OEMReadDebugByte
_OEMReadDebugByte PROC NEAR
;|***
;|*** int OEMReadDebugByte(void)
;|*** {
; Line 147
*** 0000c6 c8 02 00 00 enter 2,0
; i = -2
;|*** int i;
;|*** OEMReadDebugBytes((unsigned char *)&i,1);
; Line 149
*** 0000ca 6a 01 push 1
*** 0000cc 8d 46 fe lea ax,WORD PTR [bp-2] ;i
*** 0000cf 50 push ax
*** 0000d0 e8 a3 ff call _OEMReadDebugBytes
;|*** return i;
; Line 150
*** 0000d3 8b 46 fe mov ax,WORD PTR [bp-2] ;i
;|*** }
; Line 151
*** 0000d6 c9 leave
*** 0000d7 c3 ret
_OEMReadDebugByte ENDP
PUBLIC _OEMClearDebugCommError
_OEMClearDebugCommError PROC NEAR
;|***
;|***
;|*** /*****************************************************************************
;|*** *
;|*** *
;|*** * @func void | OEMClearDebugComError | Clear a debug communications er
;|*** or
;|*** *
;|*** */
;|*** void
;|*** OEMClearDebugCommError(
;|*** void
;|*** )
;|*** {
;|*** }
; Line 166
*** 0000d8 c3 ret
*** 0000d9 90 nop
_OEMClearDebugCommError ENDP
_TEXT ENDS
END
Reference in New Issue View Git Blame Copy Permalink