mirror of
https://github.com/bobbimanners/EightBall.git
synced 2024-06-20 09:29:31 +00:00
c026602f62
- Improved Makefile to make it easier to configure paths to tools - Made number of signicant characters for subroutine and variable names a `#define` constant and tested it works with different values - Modified memory allocation in `HEAP2` - the source code is now allocated at the bottom, growing up. The compiler's linkage table is allocated at the top growing down. This makes it easy to dispose of the linkage table after compilation is done. - This revealed that my memory limits were wrong so code was crashing on C64, Apple II. I bumped up the bottom of `HEAP2` by 0x500 or so. Not sure why this is needed. - Added a signon banner to the virtual machine so it is clear it is loading bytecode. Screen is cleared after loading is complete, so user knows when execution begins.
62 lines
3.1 KiB
C
62 lines
3.1 KiB
C
/**************************************************************************/
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/* EightBall */
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/* */
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/* The Eight Bit Algorithmic Language */
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/* For Apple IIe/c/gs (64K), Commodore 64, VIC-20 +32K RAM expansion */
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/* (also builds for Linux as 32 bit executable (gcc -m32) only) */
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/* */
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/* Compiles with cc65 v2.15 for VIC-20, C64, Apple II */
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/* and gcc 7.3 for Linux */
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/* */
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/* Note that this code assumes that sizeof(int) = sizeof(int*), which is */
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/* true for 6502 (16 bits each) and i686 (32 bits each) - but not amd64 */
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/* */
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/* cc65: Define symbol VIC20 to build for Commodore VIC-20 + 32K. */
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/* Define symbol C64 to build for Commodore 64. */
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/* Define symbol A2E to build for Apple //e. */
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/* */
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/* Copyright Bobbi Webber-Manners 2016, 2017, 2018 */
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/* */
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/**************************************************************************/
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/**************************************************************************/
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/* GNU PUBLIC LICENCE v3 OR LATER */
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/* */
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/* This program 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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/* */
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/* This program 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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/* */
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/* You should have received a copy of the GNU General Public License */
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/* along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* */
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/**************************************************************************/
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#define VERSIONSTR "0.56"
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void print(char *str);
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void printchar(char c);
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void printdec(unsigned int val);
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#ifdef __GNUC__
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char hexval2char(unsigned char val);
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#endif
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void printhex(unsigned int val);
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void printhexbyte(unsigned char val);
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void getln(char *str, unsigned char buflen);
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char getkey(void);
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unsigned char checkInterrupted(void);
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