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EightBall
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Updated memory limits for Apple //e to reflect use of LOADER.SYS

This commit is contained in:
Bobbi Webber-Manners 2018-05-28 13:53:09 -04:00
parent d175df2516
commit 489cb5c1a5
1 changed files with 6 additions and 11 deletions
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17
eightball.c
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@ -1262,11 +1262,8 @@ unsigned char *auxmemPtrBttm; /* Auxiliary memory: bottom up heap */
/*
* Apple II Enhanced
*
* Code starts at 0x2000. Top of memory is 0xbfff.
* Stack is 2K immediately below 0xbfff. (0xb800-0xbfff)
*
* Space below 0x2000 is used for file buffers (cc65 provides a module we
* link in for this.)
* Code starts at 0x0800. Top of memory is 0xbf00.
* Stack is 2K immediately below 0xbfff. (0xb800-0xbfff) ??
*
* Heap usage:
* Heap 1: Variables
@ -1274,18 +1271,16 @@ unsigned char *auxmemPtrBttm; /* Auxiliary memory: bottom up heap */
* Auxiliary memory is used to store program text
*/
#define HEAP1TOP (char*)0xb7ff
//#define HEAP1LIM (char*)0x9800
//#define HEAP1LIM (char*)0xa800
#define HEAP1LIM (char*)0xa400
#define HEAP1LIM (char*)0x9800
#define HEAP2TOP (char*)(HEAP1LIM - 1)
#ifdef EXTMEM
#define HEAP2LIM (char*)0x9000
#define HEAP2LIM (char*)0x8000
#else
#define HEAP2LIM (char*)0x7f00
#define HEAP2LIM (char*)0x6f00
#endif
/* HEAP2LIM HAS TO BE ADJUSTED TO NOT
* TRASH THE CODE, WHICH LOADS FROM $2000 UP
* TRASH THE CODE, WHICH LOADS FROM $0800 UP
* USE THE MAPFILE! */
#define AUXMEMTOP (char*)(192*256) /* Amount of aux memory available */