From 5511ce41e2b5a23394c75b0e743c3bcafdb87b15 Mon Sep 17 00:00:00 2001 From: Nigel Barnes Date: Sun, 10 Mar 2019 17:23:39 +0000 Subject: mtx: Added expansion bus with SDX floppy controller. - 80 column card with SDX in CP/M mode. - ROM/RAM banking fixed for CP/M, and MTX500 now correctly detected. - Support for Type 03 and Type 07 .mfloppy images. - Added alternate MTX2 romset (German). - Keyboard ROM now selected in Configuration. - Quickload .RUN files. --- src/lib/formats/mtx_dsk.cpp | 53 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 src/lib/formats/mtx_dsk.cpp (limited to 'src/lib/formats/mtx_dsk.cpp') diff --git a/src/lib/formats/mtx_dsk.cpp b/src/lib/formats/mtx_dsk.cpp new file mode 100644 index 00000000000..95420f40aab --- /dev/null +++ b/src/lib/formats/mtx_dsk.cpp @@ -0,0 +1,53 @@ +// license:BSD-3-Clause +// copyright-holders:Nigel Barnes +/*************************************************************************** + + Memotech MTX + + Disk image format + +***************************************************************************/ + +#include "mtx_dsk.h" + +mtx_format::mtx_format() : wd177x_format(formats) +{ +} + +const char *mtx_format::name() const +{ + return "mtx"; +} + +const char *mtx_format::description() const +{ + return "Memotech MTX disk image"; +} + +const char *mtx_format::extensions() const +{ + return "mfloppy"; +} + +const mtx_format::format mtx_format::formats[] = +{ + { // 320k 5 1/4 inch double density single sided (Type 03) + floppy_image::FF_525, floppy_image::DSDD, floppy_image::MFM, + 2000, 16, 40, 2, 256, {}, 1, {}, 32, 22, 54 + }, + { // 640k 5 1/4 inch double density double sided (Type 07) + floppy_image::FF_525, floppy_image::DSQD, floppy_image::MFM, + 2000, 16, 80, 2, 256, {}, 1, {}, 32, 22, 54 + }, + { // 320k 3 1/2 inch double density single sided (Type 03) + floppy_image::FF_35, floppy_image::DSDD, floppy_image::MFM, + 2000, 16, 40, 2, 256, {}, 1, {}, 32, 22, 54 + }, + { // 640k 3 1/2 inch double density double sided (Type 07) + floppy_image::FF_35, floppy_image::DSQD, floppy_image::MFM, + 2000, 16, 80, 2, 256, {}, 1, {}, 32, 22, 54 + }, + {} +}; + +const floppy_format_type FLOPPY_MTX_FORMAT = &floppy_image_format_creator; -- cgit v1.2.3-70-g09d2