Skip to main content

Mini II Picasso

picasso.jpgpicasso2.jpgpicasso5.jpgpicasso4.jpg

picasso-ascii-942527.png

    Kit number: 942527 RC2014 Mini II Picasso RC2014 Mini II (of which Picasso is a PCB variant)

    Schematic

    Mini-II.png

     A DS1233+5 will also keep the Z80 in reset state on power-on until the voltages have stabilised, meaning the Z80 should always boot cleanly.

    Memory map

    0x0000 (0 KiB) - 0x1FFF ROM - 8 KiB Bank

     

    ROM - 16 KiB Bank

    0x2000 (8 KiB) - 0x3FFF ROM Shadow - 8 KiB
    0x4000 (16 KiB) - 0x7FFF Unused
    0x8000 (32 KiB) - 0x8000
    RAM - 32 KiB

    ROM map

    There is 128 KiB of ROM mapped as 8 KiB or 16 KiB bank depending on jumper setting.

    JP1/JP2 can either be horizontal (16k), omitted (lower 8k) or vertical (upper 8k).

    16 KiB Bank 8 KiB Bank +1 (-- is 16k and +1) Bank 2 - Bank 4 Image
    0 0 0 000 Microsoft BASIC (Phillip Stevens)
    1 1 000 Reserved
    1 2 0 100 Microsoft BASIC (Phil Green)
    3 1 100 Reserved
    2 4 -- 010
    CP/M* (Grant Searle)
    5
    3 6 --
    110 SCM R4 inc BASIC and CP/M* (Steven Cousins)
    7
    4 8 0 001 CamelForth (Justin Skists)
    9 1 001 Reserved
    5 10 0 101 Reserved
    11 1

    101

    Reserved
    6 12 0 011 Microsoft BASIC (Grant Searle)
    13 1

    011

    Reserved
    7 14 0 111 SCM R1 (Steven Cousins)
    15 1 111 SCM R1 (Steven Cousins)

    Mini-II-Jumpers-Setting-Table-2.png