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Note: the KIM-1 (© CBM) consits only of the main ROM and doesen't comprise the cassette extension. However, you can still write to the underlaying Quot shadow" RAM. ROMs will be loaded in a write-protected area of their own. Loading ROMsįor those who can't help nostalgia, there are a few ROM sets ready to load. You may specify a byte value to be used as a fill byte (e.g., " EA", NOP, as used by the C64) in the confirmation prompt. Use the button "clear meory" to reset the memory.
#Mac lc 3 emulator update#
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#Mac lc 3 emulator code#
#Mac lc 3 emulator full#
The emulator implements 64K of memory for the full 16-bit address range. Interrupts (on execution of a BRK instruction, code 00) will always trigger a trap. These observers may by activated/deactivated both individually and globally. Traps may observe the value of any of the 3 main registers (AC, XR, YR), watch for an under- or overflow of the stack register (SR), or monitor for the program counter (PC) by setting a breakpoints. You may set any number of traps or breakpoints, which will be monitored in continuous run mode. Click a registers label to set its value.The cycle time display shows the clock ticks of exceeded CPU time (including extra cycles for branches and page transitions). The line disassembler shows the current value of the program counter (PC), the content of the according memory address (the next instruction followed by the operands, if any), and a disassembly of the respective instruction. The status register (SR) holds the following flags (from bit 7 to 0): N
#Mac lc 3 emulator Pc#
This display shows all (yes its all there is) registers of a 6502/6510 CPU: PC Observe the tool-tips of any options for further information or read the description below. Using the file upload button or drag-and-drop, files may be text files containg a similar hex dump or binary files. Any heading line numbers or addresses preceded or followed by a colon (" :") are ignored, as are any comments (starting with a semicolon or a backslash). The object code may be a series of byte values in hex format (in pairs of two or separated by white space and/or commas). Press "Show Memory" to display a page of memory starting at the currently specified start address.Ĭlick the option "live update" to observe any changes to the memory in real-time.Optionally click the checbox "trace" for a detailed log of operations.Click the buttons "Single Step" or "Continuous Run".At the processor display, set the program counter by either clicking the location display or its title.Enter a start address (hexadecimal) and press "Load Memory".This memory be a series of hex values or a binary file. Paste, drag-and-drop, or upload (using the file dialog button) the object code into the code field.Select your preferred color scheme by clicking the options "Dark" and "Light" at the top right.Addr instr disass | AC XR YR SP| nvdizc| # Clear