Retro68/libretro/PoorMansDebugging.h

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/*
Copyright 2017 Wolfgang Thaller.
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This file is part of Retro68.
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Retro68 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 3 of the License, or
(at your option) any later version.
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Retro68 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.
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Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>.
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*/
#define ENABLE_ASSERT 1
#define ENABLE_LOG 0
/* a simple version of assert - on failure, the line number is output
* using DebugStr.
* It is implimented as a dependency-free macro so it can be used in the
* earliest stages of program startup.
*/
#if !ENABLE_ASSERT
#define assert(x) do { } while(0)
#else
#define assert(x) do { \
if(!(x)) {\
unsigned char str[6]; \
int i; \
int l = __LINE__; \
for(i = 1; i < 6; i++) \
str[i] = ' '; \
str[0] = 5; \
str[5] = '0'; \
for(i = 5; l && i > 0; i--) \
{ \
str[i] = '0' + (l % 10); \
l /= 10; \
} \
DebugStr(str); \
} \
} while(0)
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#endif
#if !ENABLE_LOG
#define log(x) do { } while(0)
#else
#define log(x) do { \
{\
unsigned char str[10]; \
int ___i; \
unsigned l = (x); \
for(___i = 2; ___i < 10; ___i++) \
str[___i] = ' '; \
str[0] = 9; \
str[1] = 'L'; \
str[9] = '0'; \
for(___i = 8; l && ___i > 1; ___i--) \
{ \
str[___i] = '0' + (l & 0xF); \
if((l & 0xF) >= 0xA) \
str[___i] = 'A' - 10 + (l&0xF); \
l >>= 4; \
} \
DebugStr(str); \
} \
} while(0)
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#endif