163 lines
3.6 KiB
Scheme
163 lines
3.6 KiB
Scheme
; NCR 53c710 script
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;
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ABSOLUTE ds_Device = 0
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ABSOLUTE ds_MsgOut = ds_Device + 4
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ABSOLUTE ds_Cmd = ds_MsgOut + 8
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ABSOLUTE ds_Status = ds_Cmd + 8
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ABSOLUTE ds_Msg = ds_Status + 8
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ABSOLUTE ds_MsgIn = ds_Msg + 8
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ABSOLUTE ds_ExtMsg = ds_MsgIn + 8
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ABSOLUTE ds_SyncMsg = ds_ExtMsg + 8
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ABSOLUTE ds_Data1 = ds_SyncMsg + 8
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ABSOLUTE ds_Data2 = ds_Data1 + 8
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ABSOLUTE ds_Data3 = ds_Data2 + 8
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ABSOLUTE ds_Data4 = ds_Data3 + 8
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ABSOLUTE ds_Data5 = ds_Data4 + 8
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ABSOLUTE ds_Data6 = ds_Data5 + 8
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ABSOLUTE ds_Data7 = ds_Data6 + 8
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ABSOLUTE ds_Data8 = ds_Data7 + 8
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ABSOLUTE ds_Data9 = ds_Data8 + 8
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ABSOLUTE ok = 0xff00
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ABSOLUTE err1 = 0xff01
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ABSOLUTE err2 = 0xff02
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ABSOLUTE err3 = 0xff03
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ABSOLUTE err4 = 0xff04
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ABSOLUTE err5 = 0xff05
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ABSOLUTE err6 = 0xff06
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ABSOLUTE err7 = 0xff07
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ABSOLUTE err8 = 0xff08
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ABSOLUTE err9 = 0xff09
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ABSOLUTE err10 = 0xff0a
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ENTRY scripts
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ENTRY switch
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ENTRY wait_reselect
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PROC scripts:
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scripts:
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SELECT ATN FROM ds_Device, REL(reselect)
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;
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switch:
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JUMP REL(msgin), WHEN MSG_IN
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JUMP REL(msgout), IF MSG_OUT
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JUMP REL(command_phase), IF CMD
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JUMP REL(dataout), IF DATA_OUT
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JUMP REL(datain), IF DATA_IN
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JUMP REL(end), IF STATUS
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INT err1
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msgin:
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MOVE FROM ds_MsgIn, WHEN MSG_IN
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CLEAR ACK
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JUMP REL(ext_msg), IF 0x01 ; extended message
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JUMP REL(disc), IF 0x04 ; disconnect message
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JUMP REL(switch), IF 0x02 ; ignore save data pointers
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JUMP REL(msg_rej), IF 0x07 ; ignore message reject
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JUMP REL(switch), IF 0x03 ; ignore restore data pointers
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INT err2
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msg_rej:
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CLEAR ATN
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JUMP REL(switch)
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ext_msg:
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MOVE FROM ds_ExtMsg, WHEN MSG_IN
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JUMP REL(sync_msg), IF 0x03
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int err3
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sync_msg:
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CLEAR ACK
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MOVE FROM ds_SyncMsg, WHEN MSG_IN
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CLEAR ACK
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JUMP REL(switch)
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disc:
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WAIT DISCONNECT
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INT err10 ; let host know about disconnect
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wait_reselect:
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WAIT RESELECT REL(select_adr)
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INT err4, WHEN NOT MSG_IN
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MOVE FROM ds_Msg, WHEN MSG_IN
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CLEAR ACK
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INT err9 ; let host know about reconnect
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JUMP REL(switch)
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msgout:
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MOVE FROM ds_MsgOut, WHEN MSG_OUT
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JUMP REL(switch)
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command_phase:
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CLEAR ATN
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MOVE FROM ds_Cmd, WHEN CMD
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JUMP REL(switch)
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dataout:
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MOVE FROM ds_Data1, WHEN DATA_OUT
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CALL REL(switch), WHEN NOT DATA_OUT
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MOVE FROM ds_Data2, WHEN DATA_OUT
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CALL REL(switch), WHEN NOT DATA_OUT
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MOVE FROM ds_Data3, WHEN DATA_OUT
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CALL REL(switch), WHEN NOT DATA_OUT
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MOVE FROM ds_Data4, WHEN DATA_OUT
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CALL REL(switch), WHEN NOT DATA_OUT
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MOVE FROM ds_Data5, WHEN DATA_OUT
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CALL REL(switch), WHEN NOT DATA_OUT
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MOVE FROM ds_Data6, WHEN DATA_OUT
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CALL REL(switch), WHEN NOT DATA_OUT
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MOVE FROM ds_Data7, WHEN DATA_OUT
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CALL REL(switch), WHEN NOT DATA_OUT
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MOVE FROM ds_Data8, WHEN DATA_OUT
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CALL REL(switch), WHEN NOT DATA_OUT
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MOVE FROM ds_Data9, WHEN DATA_OUT
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CALL REL(switch)
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datain:
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MOVE FROM ds_Data1, WHEN DATA_IN
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CALL REL(switch), WHEN NOT DATA_IN
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MOVE FROM ds_Data2, WHEN DATA_IN
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CALL REL(switch), WHEN NOT DATA_IN
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MOVE FROM ds_Data3, WHEN DATA_IN
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CALL REL(switch), WHEN NOT DATA_IN
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MOVE FROM ds_Data4, WHEN DATA_IN
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CALL REL(switch), WHEN NOT DATA_IN
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MOVE FROM ds_Data5, WHEN DATA_IN
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CALL REL(switch), WHEN NOT DATA_IN
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MOVE FROM ds_Data6, WHEN DATA_IN
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CALL REL(switch), WHEN NOT DATA_IN
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MOVE FROM ds_Data7, WHEN DATA_IN
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CALL REL(switch), WHEN NOT DATA_IN
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MOVE FROM ds_Data8, WHEN DATA_IN
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CALL REL(switch), WHEN NOT DATA_IN
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MOVE FROM ds_Data9, WHEN DATA_IN
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CALL REL(switch)
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end:
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MOVE FROM ds_Status, WHEN STATUS
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int err5, WHEN NOT MSG_IN
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MOVE FROM ds_Msg, WHEN MSG_IN
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CLEAR ACK
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WAIT DISCONNECT
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INT ok
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JUMP REL(wait_reselect)
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reselect:
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WAIT RESELECT REL(select_adr)
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INT err6
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INT err4, WHEN NOT MSG_IN
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MOVE FROM ds_Msg, WHEN MSG_IN
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CLEAR ACK
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JUMP REL(switch)
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select_adr:
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MOVE CTEST2 & 0x40 to SFBR ; get Sig_P
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INT err7
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JUMP REL(scripts)
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