CoCo ZIP Memory Map
Start Address End Address Purpose
$2600 $2617 DOS boot, relocator
$5000 $5068 Loader, Run, Error Handler
$5069 $523C ROM code, DIRQ, POLCAT, CHROUT, DSKCON
Start Address Symbol Notes
$0000 (0) DSTART
$0A00 (2560) MSTART
$0AFE (2814) MSTACK Top of machine stack (254 bytes)
$0B00 (2816) IOBUFF 256-byte I/O buffer
$0C00 (3072) ZSTACK Z-stack (255 words)
$0DFE (3582) TOPSTA Top of Z-stack
$0E00 (3584) PTABLE Paging Table ($140 bytes / $A0 words)
$0F50 (3920) LRUMAP Timestamp Map ($A0 bytes)
$1000 (4096) LOCALS Local variable storage (32 bytes)
$1020 (4128) BUFFER I/O line buffer (32 bytes)
$1040 (4160) BUFSAV I/O aux buffer (32 bytes)
$1100 (4352) ZIP / ZSTART Start of ZIP executable code
$2900 (10496) ZCODE start of Z-code (assume 6K ZIP)
$3000 (12288) ZEND end of Z-machine dynamic RAM (+bugger!)
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