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CDC1700: Update to add help and descriptions from John Forecast
- add internal help entries - add descriptions to the register, modifier and debug tables. - changed device CD name to CDD to avoid name conflict with the CD command
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@@ -14,8 +14,9 @@ mostly from the early period of its release:
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device name Hardware
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CPU 1714 CPU with up to 32KW of memory in 4KW increments
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1705 Interrupt/Data channel option
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CPU 1714 CPU with 4KW, 8KW, 16KW or 32KW of memory
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1705 Multi-Level Interrupt and Direct Storage Access
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Bus
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Optional extensions:
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@@ -70,7 +71,7 @@ mostly from the early period of its release:
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[Equipment address: 0x3]
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CD 1733-2 Cartridge disk pack controller. Supports up to
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CDD 1733-2 Cartridge disk pack controller. Supports up to
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4 cartridge disk drives. Each drive supports a fixed
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and a removeable disk:
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@@ -80,13 +81,13 @@ mostly from the early period of its release:
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[Equipment address: 0x3]
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Notes:
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DP and CD use the same equipment address so only 1 of them may be
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enabled (default is for CD to be enabled).
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DP and CDD use the same equipment address so only 1 of them may be
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enabled (default is for CDD to be enabled).
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Both controllers use checkwords (CRC) for validating the consistency
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of the data stored on disk. The DP controller exports a single status
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bit indicating whether the checkword is valid or not (the simulator
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always sets this to valid). The CD controller also exports a single
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always sets this to valid). The CDD controller also exports a single
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status bit which is handled in the same way as the DP controller.
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It also makes the actual checkword value available. The simulator
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always returns a checkword value of 0 so any attempt to verify the
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