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38 lines
1.4 KiB
38 lines
1.4 KiB
S100 Z80 has no real ROM. It has 1024K RAM.
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The ROMless startup mode treats the entire 1024KB as RAM. 128KB of RAM
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must be preloaded by the Monitor CF Loader. There will be no ROM
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disk available under RomWBW. There will be a RAM Disk and it's initial
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contents will be seeded by the image loaded by the CF Loader.
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Bank Contents Description
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-------- -------- -----------
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0x0 BIOS HBIOS Bank (operating)
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0x1 IMG0 ROM Loader, Monitor, ROM OSes
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0x2 IMG1 ROM Applications
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0x3 IMG2 Reserved
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0x4-0x1B RAMD RAM Disk Banks
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0x1C BUF OS Buffers (CP/M3)
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0x1D AUX Aux Bank (CP/M 3, BPBIOS, etc.)
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0x1E USR User Bank (CP/M TPA, etc.)
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0x1F COM Common Bank, Upper 32KB
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FPGA Z80 has no real ROM. It has a single 512K RAM chip.
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The ROMless startup mode treats the entire 512KB as RAM. 384KB of RAM
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must be preloaded by the FPGA Monitor CF Loader. There will be no ROM
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disk available under RomWBW. There will be a RAM Disk and it's initial
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contents will be seeded by the image loaded by the CF Loader.
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Bank Contents Description
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-------- -------- -----------
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0x0 BIOS HBIOS Bank (operating)
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0x1 IMG0 ROM Loader, Monitor, ROM OSes
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0x2 IMG1 ROM Applications
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0x3 IMG2 Reserved
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0x4-0xB RAMD RAM Disk Banks
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0xC BUF OS Buffers (CP/M3)
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0xD AUX Aux Bank (CP/M 3, BPBIOS, etc.)
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0xE USR User Bank (CP/M TPA, etc.)
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0xF COM Common Bank, Upper 32KB
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