From 22122d3da44bcc5dc7db8c6b26ade52401bf966e Mon Sep 17 00:00:00 2001 From: kub <derkub@gmail.com> Date: Thu, 13 Feb 2025 00:13:27 +0100 Subject: [PATCH] update readme files --- README.md | 7 +++-- platform/base_readme.txt | 62 +++++++++++++++++++++++++++++++++++++++- 2 files changed, 65 insertions(+), 4 deletions(-) diff --git a/README.md b/README.md index 98fc54d1..7d15497c 100644 --- a/README.md +++ b/README.md @@ -41,9 +41,10 @@ be activated via the `Keyboard` emulator hotkey. Both physical keyboard support and a virtual keyboard overlay are available. Physical keyboards are assigned a default key mapping corresponding to an American PC layout, but the mapping can be redefined in the `Controls` -configuration menu. Note that only 'unmodified' physical key presses can be -mapped to emulated keyboard input; special characters entered via 'shift' -key combinations may not match the emulated keyboard layout. +configuration menu. Note that only 'unmodified' physical key presses (e.g. +`A`, `1` etc) can be mapped to emulated keyboard input; special characters +entered via modifier/meta keys (e.g. `Ctrl`, `Shift` etc) will not work. +Additional information may be found in `platform/base_readme.txt`. ### Sega SC-3000 Cassette Drive diff --git a/platform/base_readme.txt b/platform/base_readme.txt index dce94724..cd5030e7 100644 --- a/platform/base_readme.txt +++ b/platform/base_readme.txt @@ -100,6 +100,45 @@ positioning is done through the D-pad if the screen has been switched to either pages or pad. +How to load SC-3000 tapes +------------------------- + +The SC-3000 microcomputer has a connector for connecting a cassette tape drive +to it. PicoDrive supports using tape recordings in WAV or bitstream format. +Run one of the BASIC cartridges, then load the tape with the "Load tape" menu. +Entering the LOAD command using the keyboard emulation automatically starts +the emulated tape drive. You will get a confirmation after the tape has been +loaded. + +The emulated tape drive has an automatic start/stop feature. Tapes requiring +several load operations don't need any additional handling. + + +How to use keyboard input +------------------------- + +Both the SC-3000 and the Sega Pico support keyboard input. To activate keyboard +input in PicoDrive, press the "Switch keyboard" emulator hotkey while running +a cartridge with keyboard support. Depending on the keyboard configuration +settings, either the physical or the virtual keyboard can be used. + +If the physical keyboard is configured, activating the keyboard will switch off +all other hotkeys as well as pad functions. All keyboard input is routed to +the emulated keyboard, as configured in the physical keyboard mapping. + +The virtual keyboard displays an overlay when activated. The currently selected +key is highlighted, and the selection can be changed with the left, right, up, +and down keys. Pressing the A button will send the selected key to the emulated +keyboard. Pressing B will show what the key value would be if the emulated Shift +key is active. The C button will move the keyboard overlay from the top of the +screen to the bottom and vice versa. + +All meta keys, like Shift, Ctrl, have a built-in toggle function. Pressing the +A button on them will toggle their state between pressed and released. Depending +on the state the color of the key changes slightly. Only one meta key can be +active at the same time. + + Other important stuff --------------------- @@ -427,6 +466,11 @@ unit. Some games made use of this for providing better music and effects. Disabling this improves performance for games using the FM unit, and usually means falling back to the non-FM sound. +@@7. "SMS palette in TMS modes" +The Master System graphics chip can emulate the TMS grafic modes used in MSX and +SG-1000 games, but it is using a color palette which is much darker and the +colours aren't a good match. This option uses the original color palette of the +TMS graphics chip, which gives better results for MSX/SG-1000 ports. Advanced options ---------------- @@ -468,7 +512,8 @@ It also decodes MP3s in Sega/Mega CD mode. Key configuration ----------------- -Select "Configure controls" from the options menu. Then selecting "Player <n>" +Select "Configure controls" from the options menu. The "Player <n>" entry allows +for selecting a player with the left/right buttons. Then selecting "Player <n>" will display 2 columns. The left column lists names of Genesis/MD controller buttons, the right column shows which key on your handheld is assigned to it. @@ -480,6 +525,21 @@ device 1, and the game is supporting this. Only 3 button pads are currently supported in 4 player mode. +Keyboard configuration +---------------------- + +The SC-3000 and the Sega Pico can use a keyboard as input device. Select +"Configure controls" to configure keyboard support in PicoDrive. The "Keyboard" +entry allows choosing the keyboard type by using the left/right buttons. The +virtual keyboard doesn't need any configuration. For configuring the physical +keyboard mapping, select "Keyboard" when the physical keyboard is selected. + +Physical host keyboard keys are mapped 1:1 on emulated keyboard keys. Only the +unmodified base keys (like A, 1 etc) can be mapped. Don't use Shift, Ctrl or +Alt when changing the mapping, as it won't work. The default mapping matches +a standard American PC104 keyboard. + + Cheat support ------------- -- 2.39.5