How to get into Apple BASIC prompt on an Apple IIc?
网页4. Simply press RESET (depending on model and setting you might have to hold down CTRL or Open-Apple + CTRL before pressing RESET). This will bring you into default APPLESOFT BASIC. Just, BASIC does not contain any disk commands - unless DOS is loaded from floppy - which pressing Reset will abort :)
hardware - How did Apple IIc daughtercard expansions work ...
网页2021年9月22日 · The IIc is designed to look to applications just like a IIe with a SuperSerial card in slots 1 + 2, an 80-column card in slot 3, a mouse in slot 4 (later ROMs) and a Disk II controller in slot 6. The Z-RAM places the RAM-disk in slot #3, according to the manual I have (unfortunately, the accompanying card is long lost).
How long should I expect the Apple IIc self test to run?
网页2020年5月23日 · Not all IIc models do have the self test ROM. But if they do, it for sure doesn't run for hours. The most reliable way to invoke it is from reset. Power on; Hold down Open-Apple+CTRL and then press RESET; Release; Wait for a ] to show up as BASIC prompt; Hold down Open-Apple+Closed-Apple+CTRL and then press RESET; Release …
What do the '80/40' and 'keyboard' buttons on my Apple IIc do?
网页2020年2月29日 · The keyboard layout mirrored that of the Apple IIe; however, the “Reset” key had been moved above the “Esc” key. Two toggle switches were also located in the same area: an “80/40”-column switch for (specially written) software to detect which text video mode to start up in, and a “Keyboard” switch to select between QWERTY and ...
How do I clean/refurbish an Apple IIc Keyboard?
网页2019年11月22日 · My rubber protection sheet above the keyswithes has completely detoriated over time - I removed it and gave the keyboard (particularily the keeyswitch stems and hairpins) a good clean with a dry, stiff brush (after removing all keycaps first). Then I gave the wire links a bit of lubrication with a tad of silicon grease.
In an Apple IIc, how is memory beyond 128K addressed?
网页2020年1月24日 · I always thought than in a memory-expanded Apple IIc fitted with firmware version 3 or 4 and an Apple-built memory expansion, the extra memory above and beyond the first 128K is connected in a way that's indentical to the way the so called "Slinky" Apple IIe memory expansion card for a II+/IIe works. I.e. there is no direct CPU access to the ...
power - How can I make an external PSU for an Apple IIc ...
网页2020年1月10日 · The external power input on an Apple IIc is a male 7-pin DIN jack. The standard Apple external PSU takes a country-specific input voltage (105 to 129 VAC, 60 Hz for North America) and provides (unregulated) 15 VDC. Though on page 11 of the Apple IIc Technical Reference Manual it says that the internal power supply "operates from a 12 to …
How does the Apple II address more than 128KB of RAM?
网页2023年5月17日 · Memory expansion cards of up to 1 MB were released both for the Apple IIc using this dedicated connector and for the Apple II/II+/IIe. As described in the technical reference manual, The memory expansion card provides up to 1Mb of RAM, in 256K steps, for storage of program and data files. In this sense, it is like a very fast disk drive.
How was the second bank of Apple IIc ROM accessed?
网页2020年5月29日 · ¹ The schematic in that version of the manual is for newer versions of the Apple IIc that had the 32 KB ROM; this schematic shows the original A2S4000 model with a trace to be cut and pad to be bridged to use a 32K instead of a 16K ROM.
Why did Apple remove booting from external drives in later IIc …
网页From Apple IIc Booting from external drive, this post. If my copy of the IIc hardware reference manual is to be believed, you can boot from the first external drive by typing PR#5. I suspect this only applies to a UniDisk 3.5, and not a 5.25" drive. and this post. Yes, PR#5 will boot the first external UniDisk in the //c's drive chain.