2 ; I/O definitions for the CBM 510
4 ; Taken from a kernal disassembly done by myself in 2000/2001.
6 ; Ullrich von Bassewitz, 13.09.2001
53 VIC_IRR = $19 ; Interrupt request register
54 VIC_IMR = $1A ; Interrupt mask register
100 ; I/O $db00: CIA 6526 Inter Process Communication
101 ; I/O $dc00: CIA 6526
112 ; I/O $dd00: ACIA 6551
123 ; I/O $de00: Triport #1 6525
140 ; I/O $df00: Triport #2 6525
146 ; Out video memory address
148 COLOR_RAM = $D400 ; System bank