diff options
| author | Ian C <ianc@noddybox.co.uk> | 2020-03-22 21:28:09 +0000 |
|---|---|---|
| committer | Ian C <ianc@noddybox.co.uk> | 2020-03-22 21:28:09 +0000 |
| commit | e2f4e398c33f30f9b03448fb6687b7e06a65f21f (patch) | |
| tree | 27225576cbcbb6e5400a2e57743a1a1c3cea578a /doc | |
| parent | b324606fad1d596bf4f6319239f9c567a409941e (diff) | |
Added load/save and some extra instructions.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/instruction.txt | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/doc/instruction.txt b/doc/instruction.txt index a399cd7..530dab9 100644 --- a/doc/instruction.txt +++ b/doc/instruction.txt @@ -44,6 +44,9 @@ KEYBOARD BACKSPACE - Emulate the RUBOUT key (shift 0) DELETE - Emulate the RUBOUT key (shift 0) + When emulating the keyboard the key is held down for a default of one frame. + This can be altered in the runtime menu. + LOADING AND SAVING ------------------ @@ -58,6 +61,23 @@ LOADING AND SAVING be enabled. See the CONFIGURATION FILE section. +RUNTIME MENU +------------ + + When you press ESCAPE the runtime menu is displayed and offers the following + options: + + F1 - Toggle tracing on and off. When on tracing will display the + disassembly at the PC and the state of the Z80 registers. + + F2 - Alter the number of frames the key is held down following a + keypress. The default of 1 works OK for BASIC. + + F3 - Reset the ZX81. + + F4 - Quit the emulator. + + CONFIGURATION FILE ------------------ |