Topic : MC56001 Documentation Author : JAY Software Version : 1.0 (19/11/1997) Subject : Programming/Assembler Nodes : 152 Index Size : 4106 HCP-Version : 4 Compiled on : Atari @charset : atarist @lang : @default : @help : @options : -i +y +z -t4 @width : 100 View Ref-FileSSI STATUS REGISTER (SSISR): The SSISR is an 8-bit read-only status register used by the DSP to interrogate the status and serial input flags of the SSI. When the SSISR is reda to the internal data bus, the register contents occupy the low-order byte of the data bu, and the high-order portion is zero filled. The status bits are described in the following paragraphs. See also: Serial Input Flag 0 Serial Input Flag 1 Transmit Frame Sync Flag Receive Frame Sync Flag Transmitter Underrun Error Flag Receive Overrun Error Flag SSI Transmit Data Register Empty SSI Receive Data Register Full