?label becomes 0, but or misuse?

[42Bastian]

Hi,

at first: pre-built MADS for macos_aarch64 2.1.7

I am trying to create Lynx cart images, for this I need overlays and maintain a cart-PC.
In other assembler there are labels which can be changed.
I see ?LABEL can be changed.

?ROM_PC EQU $1000
start ; $100
; some code
end   ; $200
?ROM_PC += $100

The issue is ?ROM_PC becomes 0 instead of $1100.
Attached a file which build. Labels created:

mads 2.1.7
Label table:
00      0000    ?ROM_PC
00      0202    print
00      0208    end
00      2000    end.?ROM_PC
00      2000    ROM_overlay1
00      0208    start_overlay1
00      0210    info1
00      0219    end_overlay1
00      0011    size_overlay1
00      02A0    info1.OVERLAY_END.OVERLAY_END0.size_overlay1.?ROM_PC
00      0000    ROM_overlay2
00      0208    start_overlay2
00      0210    info2
00      0219    end_overlay2
00      0011    size_overlay2
00      02A0    info2.OVERLAY_END.OVERLAY_END1.size_overlay2.?ROM_PC

ROM_overlay1 and ROM_overlay2 are the labels of interest.

test.zip