@@ 17,4 17,31 @@ ngata will be a portable computer running retro.
this is influenced by the cambridge z88, amstrad nc100, and
trs-80 model 100 designs.
+underlying hardware:
+
+- we are currently looking at using a teensy 4.1 as a base
+
+devices:
+
+- this will have a character lcd as the primary output
+ ideally 40x4, but i can work with a 40x2 or 20x4
+- this will have a small bitmapped lcd or oled display
+ we are looking at a 128x64 or similar size
+- input is likely to be a chorded keyboard, though might be
+ expanded to a 32-36 key layout in the future
+- i would like to support a thermal printer
+
+retro configuration (initial):
+
+- data stack: 256 cells
+- address stack: 256 cells
+- memory: 96k cells
+- actual ram consumption: 386,048 bytes
+- this will leave 64k cells free
+
+it's probable that the memory area will be increased. the teensy
+has 1mb of ram, and it's unlikely the vm and actual hardware
+interface code will use most of that.
+
+the paper area is a small holder for 3x5 index cards.
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