84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
/*
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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
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Retro68 is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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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
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>.
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*/
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#define ENABLE_ASSERT 1
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#define ENABLE_LOG 0
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/* a simple version of assert - on failure, the line number is output
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* using DebugStr.
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* It is implimented as a dependency-free macro so it can be used in the
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* earliest stages of program startup.
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*/
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#if !ENABLE_ASSERT
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#define assert(x) do { } while(0)
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#else
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#define assert(x) do { \
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if(!(x)) {\
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unsigned char str[6]; \
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int i; \
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int l = __LINE__; \
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for(i = 1; i < 6; i++) \
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str[i] = ' '; \
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str[0] = 5; \
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str[5] = '0'; \
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for(i = 5; l && i > 0; i--) \
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{ \
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str[i] = '0' + (l % 10); \
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l /= 10; \
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} \
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DebugStr(str); \
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} \
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} while(0)
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#endif
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#if !ENABLE_LOG
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#define log(x) do { } while(0)
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#else
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#define log(x) do { \
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{\
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unsigned char str[10]; \
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int ___i; \
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unsigned l = (x); \
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for(___i = 2; ___i < 10; ___i++) \
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str[___i] = ' '; \
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str[0] = 9; \
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str[1] = 'L'; \
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str[9] = '0'; \
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for(___i = 8; l && ___i > 1; ___i--) \
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{ \
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str[___i] = '0' + (l & 0xF); \
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if((l & 0xF) >= 0xA) \
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str[___i] = 'A' - 10 + (l&0xF); \
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l >>= 4; \
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} \
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DebugStr(str); \
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} \
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} while(0)
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#endif
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