Data for DEC PROMS From the M9312 Technical manual First 9 words contain a "ROM HEADER" Word 0 Device name, (2 ascii characters, reversed) Word 2 Offset to second ROM header if a multi-device ROM. Word 4 Power up entry for unit zero without CPU diagnostics. Word 6 Power up entry for unit zero with CPU diagnostics. Word 10 000000 (Unit number for above entry) Word 12 Entry point from console emulator. Enter with device number in R0. C-bit set to disable diagnostics, cleared to disable. Word 14 Address of the control/status register of the device. Word 16 Entry point if unit is not 0. Word 20 BCC to secondary diagnostic code. Other special words Word 24 Must be 173000. Word 26 Must be 340. Word 376 Must be 16-bit CRC for previous 63 words. Addressing modes. 1 DEC address 0 is stored in Prom Address 0 thru 3 DEC address 1 is stored in Prom Address 4 thru 7 2 Bits 10,11 and 12 of DEC word are stored inverted. 3 Bits are stored in following manner: Rom Output Rom add Rom add Rom add Rom add Bit # 0 1 2 3 4 3 7 11 15 3 2 6 10 14 2 1 5 9 13 1 8 4 0 12