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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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