// // Helper routine for JiffyDOS detection // // The standard parallel cable (used by SpeedDOS, DolphinDOS 2, etc.) connects the following UserPort lines: // - PB0-PB7 - CIA2_PRB ($DD01), CIA #2 port B // - PC2, FLAG2 - CIA2_ICR ($DD0D), CIA #2 handshaking line // // See: // - http://sta.c64.org/cbmpar41c.html // - http://sta.c64.org/cbmpar71c.html // - Commodore 64 Programers Referencee Guide, pages 360-361, 429 // - Computes Mapping the C64, page 183 #if CONFIG_IEC_DOLPHINDOS dolphindos_detect: panic #$00 #endif // CONFIG_IEC_DOLPHINDOS