Nope, principe is the same. 8)FARID wrote:No, it seems CHR side is different than PRG side. Originally /OE and /CE of CHR-ROM and CHR-RAM have their own lines :'175 have Q and /Q, so you need just one bit to control CHR ROM/RAM without extra invertors.
/OE --> CON17 --> CHR /RD
/CE --> CON56 --> CHR /A13
I don't think it is possible to hijack those lines and control them. Anyway I used 157 to solve this issue.
'157 is one of the ways to solve it, but not the smallest one.
I wish '157 have no /STB, but consist of two halfs
2 infiniteneslives it is. The keyword is "more than enough", so it's confusing. Hopefully i will have time on this Tuesday to finish my prototype and post some photos 8)
2 l_oliveira so... existence controlling your mind Nothing wrong with it, when it's hobby and sometimes it can become a true hack.
2 tepples and it will. Ask yourself, which data floating one way?