Review linker-assigned memory map; effect on initial memory-test?

[netzerohero]

Historical TB assembly used .org directives. RP6502 tool-chain has the linker perform memory location assignments.

This may affect TB's initial Cold-start memory-test and the user's program memory assignment.
Review the FREEMEM and START symbols.
Review Zero-page locations: $20, $21, $22 & $23.

[netzerohero]

Inspected version v20251111_2302 zeropage locations above:

$20, & $21 = beginning of user's basic prog: $0C00
$22 & $23 = end of user program-space: $FF00

These addresses are determined by TB's cold-start memory-test code.