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Fixed bug in heap manager - forgot to initialise freeptr

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This commit is contained in:
Adam Greenwood-Byrne 2021-03-09 22:16:25 +00:00
parent a5fdf22a1d
commit 0c55d05177
2 changed files with 35 additions and 31 deletions
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2
part12-wgt/wgt08.c → part12-wgt/examples/wgt08.c
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@ -1,4 +1,5 @@
#include "wgt.h" #include "wgt.h"
#include "include/mem.h"
// ######## REQUIRED FUNCTIONS ######## // ######## REQUIRED FUNCTIONS ########
@ -53,6 +54,7 @@ void wgt08()
{ {
short x; short x;
mem_init();
vga256 (); vga256 ();
wcls (vgapal[0]); wcls (vgapal[0]);

2
part12-wgt/lib/mem.c
View file

@ -19,6 +19,8 @@ void mem_init()
HEAP_START += 8 - ((long)&HEAP_START % 8); HEAP_START += 8 - ((long)&HEAP_START % 8);
} }
HEAP_END = (unsigned char *)(HEAP_START + HEAP_SIZE); HEAP_END = (unsigned char *)(HEAP_START + HEAP_SIZE);
freeptr = HEAP_START;
} }
void *malloc(unsigned int size) void *malloc(unsigned int size)