Malloc
Description
Performs a malloc
usage
malloc size [,ptr] [,oom_msg_ptr] [,fail_value]
malloc #$0100 malloc (ptr) malloc value
Note: - if parameter 'ptr' is present, store resulting AY in ptr &ptr+1 - if parameter 'oom_msg_ptr' is present, emit string pointed by 'oom_msg_ptr' and return if AY is null (ie malloc error)
Output
A and Y contains the ptr. If A and Y are equal to 0, the malloc had failed
Example
.include "telestrat.inc"
.include "../orix-sdk/macros/SDK_memory.mac"
malloc #$100
rts
Call XMALLOC function