osiemu - Mac
osiemu - Mac
osiemu - Mac
File Size:
10.15 MB
Version:
0.9.2
Date:
14 November 2024
Downloads:
15 x
Ohio Scientific Instruments, Inc. Emulator for Linux, Windows, and macOS
Features
- NMOS 6502 CPU
- Selectable CPU speed, including "warp speed"
- 40kB RAM, or 48kB RAM without BASIC (Model 522)
- Model 555 extra RAM at $d000 (4kB) and/or $e000 (4kB) for video-less systems
- 8kB BASIC ROM
- Up to 4kB OS/Monitor ROM
- Polled keyboard, Model 542 or Model 600 mode, raw or cooked
- ASCII keyboard, Model 440B
- Two joysticks (d-pad or analog)
- 64x32, 64x16, and 32x32 character based display
- Switchable ASCII font and graphics font
- Color modes:
- Monochrome white, green, amber, or bluish
- Model 440B, 6-bit ASCII, 4 colors
- Model 540B, 8 colors, inverse video
- Model 630 Color Video Expander, 8 colors, inverse video
- 2019 RGBI Board with 630 interface, 16 colors RGBI, 8 dimmed, 8 bright
- High resolution overlays:
- Model 440B, 128x128
- Model 541, 256x256, High Resolution Graphics Expander
- Serial tape ACIA with selectable baudrate and memory location
- Bit-level floppy emulation, Model 470/505/610, up to four single sided 5¼" (40 or 80 tracks) or 8" (77 tracks) drives
- Hardware accelerated display
- full resolution 512x256
- configurable frame rate
- optional 2x, 3x, or 4x zoom
- optional TV aspect ratio 16:9 or 4:3
- optional anti-aliasing
- optional scan lines or dots
- Sound modes:
- Model 542B/C keyboard tone generator and 8-bit DAC
- Superboard II/Model 600/C1P keyboard 8-bit DAC
- On-Screen Display during peripheral access
- Built-in monitor, dump/change memory contents, registers, set breakpoints, CPU and stack tracing, disassembler, heatmap, manage tapes and drives
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