src/mess/machine/conkort.c
| r7639 | r7640 | |
|---|
| 48 | 48 | SAB1793 - Siemens SAB1793-02P Floppy Disc Controller |
| 49 | 49 | FDC9229 - SMC FDC9229BT Floppy Disc Interface Circuit |
| 50 | 50 | DM8131 - National Semiconductor DM8131N 6-Bit Unified Bus Comparator |
| 51 | | CON1 - |
| 52 | | CON2 - AMP4284 |
| 53 | | CON3 - |
| 54 | | SW1 - |
| 55 | | SW2 - |
| 56 | | SW3 - |
| 57 | | S1 - |
| 58 | | S3 - |
| 59 | | S5 - |
| 51 | CON1 - ABC bus connector |
| 52 | CON2 - 25-pin D sub floppy connector (AMP4284) |
| 53 | CON3 - 34-pin header floppy connector |
| 54 | SW1 - Disk drive type (SS/DS, SD/DD) |
| 55 | SW2 - Disk drive model |
| 56 | SW3 - ABC bus address |
| 57 | S1 - Interface type (A:? B:ABCBUS) |
| 58 | S3 - Interface type (A:? B:ABCBUS) |
| 59 | S5 - Interface type (A:? B:ABCBUS) |
| 60 | 60 | S6 - Amount of RAM installed (A:2KB, B:8KB) |
| 61 | | S7 - Number of drives connected (0:3, 1:?) *located on solder side |
| 62 | | S8 - 0:8", 1:5.25" |
| 63 | | S9 - Location of RDY signal (A:P2:6, B:P2:34) |
| 61 | S7 - Number of drives connected (0:3, 1:2) *located on solder side |
| 62 | S8 - Disk drive type (0:8", 1:5.25") |
| 63 | S9 - Location of RDY signal (A:8" P2-6, B:5.25" P2-34) |
| 64 | 64 | LD1 - LED |
| 65 | 65 | |
| 66 | 66 | */ |
| r7639 | r7640 | |
|---|
| 688 | 688 | /* |
| 689 | 689 | |
| 690 | 690 | DMA Transfer Programs |
| 691 | | --------------------- |
| 692 | 691 | |
| 693 | | C3 14 28 95 6B 02 8A CF 01 AF CF 87 |
| 692 | READ DAM |
| 693 | -------- |
| 694 | 7D 45 21 05 00 C3 14 28 95 6B 02 8A CF 01 AF CF 87 |
| 694 | 695 | |
| 696 | 7D transfer mode, port A -> port B, port A starting address follows, block length follows |
| 697 | 45 port A starting address low byte = 45 |
| 698 | 21 port A starting address high byte = 21 |
| 699 | 05 block length low byte = 05 |
| 700 | 00 block length high byte = 00 |
| 695 | 701 | C3 reset |
| 696 | 702 | 14 port A is memory, port A address increments |
| 697 | 703 | 28 port B is I/O, port B address fixed |
| 698 | | 95 byte mode, port B starting address low follows, interrupt control byte follows |
| 699 | | 6B port B starting address 0x006B (FDC DATA read) |
| 704 | 95 byte mode, port B starting address low byte follows, interrupt control byte follows |
| 705 | 6B port B starting address low byte = 6B (FDC DATA read) |
| 700 | 706 | 02 interrupt at end of block |
| 701 | 707 | 8A ready active high |
| 702 | 708 | CF load |
| r7639 | r7640 | |
|---|
| 705 | 711 | CF load |
| 706 | 712 | 87 enable DMA |
| 707 | 713 | |
| 714 | ?? |
| 715 | -- |
| 708 | 716 | C3 14 28 95 7B 02 8A CF 05 AF CF 87 |
| 709 | 717 | |
| 710 | 718 | C3 reset |
| r7639 | r7640 | |
|---|
| 720 | 728 | CF load |
| 721 | 729 | 87 enable DMA |
| 722 | 730 | |
| 731 | ?? |
| 732 | -- |
| 723 | 733 | C3 91 40 8A AB |
| 724 | 734 | |
| 725 | 735 | C3 reset |