| t65.zip |
Latest version (v302) of the Opencores T65 cpu. |
| cpu65xx_en.zip |
Peter Wendrich's 6502/6510 processor core.
www.syntiac.com/fpga64 |
| t80.zip |
Latest version (v301) of the Opencores T80 cpu. |
| i82c55.vhd |
VHDL model of the widely used 8255 PIA interface chip. |
| ym2149.zip |
VHDL model of the classic sound chip - Now includes 3d volume table. Tested with many of the Atari trackers. |
| measurements_2chan.txt |
Some measurements from a real chip showing two channel interaction. |
| SN76489_1_0.zip |
Arnim Läuger's SN76489AN module. |
| vdp18_1_0.zip |
Arnim Läuger's model of TI's TMS9918A, TMS9928A & TMS9929A. |
| prg.zip |
Complete VIC 20 Programmer's Reference Guide. |
| keyboard.txt |
Documentation on the VIC 20 keyboard. |
| memory.txt |
Documentation on the VIC 20 memory map. |
| VIC-I.txt |
Documentation on the VIC-I (6561) chip. |
| binary
hex |
Omega Race vector state machine rom (82s129) location GF6. Looks Very like the asteroids one with some outputs swapped ... |
| ST analyser traces |
Some screen dumps of Atari ST logic analyer traces. |
| s3e_flash_programmer.bit |
A build of the design available on the Xilinx website, but uses the male RS232 connector on the board (allows the use of a female-female cable). |
| s3e_flash.ht |
Windows HyperTerminal configuration file. |
