Data Highway Plus error conditions

DHPERR_DP_FNC (0x20000001)

Dual-port memory functionality test error

DHPERR_RAM (0x20000002)

Unknown random access memory test error

DHPERR_RAM (0x20000003)

Failure of Z80 RAM 0

DHPERR_RAM (0x20000004)

Failure of dual-port RAM

DHPERR_RAM (0x20000005)

Failure of Z80 RAM 1

DHPERR_RAM01 (0x20000006)

Failure of both Z80 RAM 0 and RAM 1

DHPERR_RAM1_DP (0x20000007)

Failure of both RAM 1 and Dual-Port RAM

DHPERR_CTC (0x20000008)

Unknown counter timer circuit test error

DHPERR_CTC_TMR (0x20000009)

Failure of CTC timer module

DHPERR_CTC_CNT (0x2000000A)

Failure of CTC counter module

DHPERR_CTC_TC (0x2000000B)

Failure of both CTC timer and counter modules

DHPERR_SIO (0x2000000C)

Unknown serial input output test error

DHPERR_SIO_INT (0x2000000D)

Failure of CIO channel: no interrupt

DHPERR_SIO_LOOP (0x2000000E)

Failure of SIO channel A: Loopback failure

DHPERR_PROT_LOAD (0x2000000F)

Protocol file download error

DHPERR_LOAD_BLK (0x20000010)

Block too large error

DHPERR_RAM_FULL (0x20000011)

Z80 RAM too full for next block

DHPERR_BD_WRITE (0x20000012)

Cannot write to adapter card memory

DHPERR_OPEN_LOADPCL (0x20000013)

Cannot open file LOADPCL.BIN

DHPERR_OPEN_KLPCL (0x20000014)

Cannot open file KLPCL.BIN

DHPERR_OPEN_KLST0 (0x20000015)

Cannot open file KLST0.BIN

DHPERR_OPEN_KLST1 (0x20000016)

Cannot open file KLST1.BIN

DHPERR_OPEN_KLST2 (0x20000017)

Cannot open file KLST2.BIN

DHPERR_OPEN_PROT (0x20000018)

Cannot open protocol file

TIMEOUT_ERR (0x01)

Timeout error

CANCELLED_ERR (0x02)

Cancelled error code