Labels:text | screenshot | parallel | receipt | line | number | diagram | font | black and white OCR: SCC DMA Registers - B.33 M S M T F T T e 0 3 0 S T T 0 0 Location(s ) Size Type Meaning SCC DMA Registers 0x00FF8C00 OB VO SCC DMA Pointer Upper 0x00FF8C02 OB VO SCC DMA Pointer Upper-Middle 0x00F F8C04 OB VO SCC DMA Pointer Lower-Middle 0x00FF8C06 OB VO SCC DMA Pointer Lower 0x00F F8C08 OB SCC Byte Count Upper 0x00FF8COA SCC Byte Count Upper-Middle 0x00FF8COC OB SCC Byte Count Lower-Middle 0x00F F8 COE OB VO SCC Byte Count Lower 0X00F F8C 10 WORD SCC Data Residue Register High (RO) 0x00F F8C 12 WORD SCC Data Residue Register Low (RO) 0x00FF8C 14 OB SCC DMA Control Register as follows: Bus Error During 119 (cleared when read) Byte Count Zero (cleared when read) Bit 0 Enable: 0 = Off, 1 = On L 1 = Write, 0 = Read 0x00FF8C 16 - N/A Unassigned 0x00FF8C7E SCC Ports (85 C30) 0x00FF8C80 OB SCC A Control 0x00FF8C82 OB SCC A Data 0x00FF8C84 OB VO SCC B Control 0x00F F8C86 SCC B Data 0x00F F8C88 - N/A Unassigned 0x0OFF8DFF System Control Unit 0x00FF8E00 OB SCU System Interrupt Mask 0x00F F8E02 OB SCU System Interrupt State (RO) 0x00FF8E04 OB SCU System Interrupter: Set Bit#O to generate VME interrupt IRQ1. 0x00FF8E06 OR VME Interrupter: Set Bit #0 to generate VME interrupt IRQ3.
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