Mark 5 Emulator 1.7.0

Description

Mark 5 Emulator (BML3MK5) is a Hitachi Basic Master Level 3 Mark 5 (MB-6892) emulator for Windows and macOS, source code is also available.

Main functions:

CPU: 0.5 to 16 times speed
RAM: Standard 64KB + Extended 64KB (assuming MP-9764)
Screen display: High resolution up to 640x200 8 colors, IG
Sound: MUSIC_SEL, 6-harmonic PSG (assuming MP-9710), 9-harmonic PSG (I / O August 1983 issue)
Cassette tape input / output
Printer output
RS-232C input / output
Light pen input: emulated with mouse
Kanji ROM: MP-9740 assumed
FDD: Available by selecting

Assuming single-sided single-density (1S) 3-inch compact floppy (MP-3375, MP-1805)
Double-sided (2D) 5.25-inch mini floppy (MP-3550 / MP-3560, MP-1802)
Double-sided double-sided (2D) 8-inch standard floppy (MP-3630, MP-1806)

2020-03-07 Version 1.7.0

Changed the behavior of IRQ and FIRQ interrupts.
Changed the behavior when masking FDC of 8 inch 2D type FD.
After writing to the disc, write to the actual image about 5 seconds later performed (delayed writing).
Change of CRTC disptmg skew, curdisp skew resets vertical sync bug fixes.
The language for menus can be selected in the setting dialog. (However, currently only Japanese and default (English) can be selected)
Specify the amplitude of the sine wave to be used for correction in the correction when loading as a wav file I made it possible.
[Debugger] Added CPU, PWD, CD, SL commands. Also some behaviors such as BP changed.
[Debugger] Changed the method of setting breakpoints.
[Debugger] Data dump of 2 bytes or more in memory dump fixed.
[Debugger] Fixed the problem that multiple lines cannot be pasted correctly.
Other internal code changes.