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-- card: 10862 from stack: in.0 -- bmap block id: 15412 -- flags: 0000 -- background id: 2805 -- name: VIA ----- HyperTalk script ----- on opencard show background field 2 end opencard -- part 3 (button) -- low flags: 00 -- high flags: 0000 -- rect: left=100 top=54 right=277 bottom=180 -- title width / last selected line: 0 -- icon id / first selected line: 0 / 0 -- text alignment: 1 -- font id: 0 -- text size: 12 -- style flags: 0 -- line height: 16 -- part name: ROM ----- HyperTalk script ----- on mouseUp push card visual effect dissolve fast go to card id 5328 end mouseUp -- part 5 (button) -- low flags: 00 -- high flags: 0000 -- rect: left=423 top=59 right=71 bottom=452 -- title width / last selected line: 0 -- icon id / first selected line: 0 / 0 -- text alignment: 1 -- font id: 0 -- text size: 12 -- style flags: 0 -- line height: 16 -- part name: cpu ----- HyperTalk script ----- on mouseUp push card visual effect wipe left go to card "mc68000" end mouseUp -- part 6 (button) -- low flags: 00 -- high flags: 0000 -- rect: left=289 top=139 right=151 bottom=401 -- title width / last selected line: 0 -- icon id / first selected line: 0 / 0 -- text alignment: 1 -- font id: 0 -- text size: 12 -- style flags: 0 -- line height: 16 -- part name: desktop bus ----- HyperTalk script ----- on mouseUp push card visual effect wipe left go to card "apple desktop bus" end mouseUp -- part 7 (button) -- low flags: 00 -- high flags: 0000 -- rect: left=421 top=154 right=167 bottom=506 -- title width / last selected line: 0 -- icon id / first selected line: 0 / 0 -- text alignment: 1 -- font id: 0 -- text size: 12 -- style flags: 0 -- line height: 16 -- part name: disk controller ----- HyperTalk script ----- on mouseUp push card visual effect wipe left go to card "iwm" end mouseUp -- part 8 (field) -- low flags: 00 -- high flags: 0004 -- rect: left=285 top=267 right=305 bottom=512 -- title width / last selected line: 0 -- icon id / first selected line: 0 / 0 -- text alignment: 0 -- font id: 156 -- text size: 12 -- style flags: 256 -- line height: 16 -- part name: -- part contents for background part 6 ----- text ----- Versatile Interface Adapter -- part contents for background part 37 ----- text ----- The Apple custom Versatile Interface Adapter (VIA) assist the CPU* in coordinating operation of the input and output devices. The VIA provides interrupts for the Apple Desktop Bus*, the internal real-time clock, parts of the disk controller*, sound generator and various other signals used by the Macintosh SE. There are two parallel data registers within the VIA, called A and B, each with an individual direction register. There are also several event timers, a clocked shift register and an interrupt flag register with an interrupt enable register. -- part contents for card part 8 ----- text ----- Click on the chip at the left to learn more about the VIA.