gumnut_simulator.simulator

Module Contents

Classes

SimulatorState	Enum where members are also (and must be) ints
GumnutSimulator	Class which holds simulator data and CPU

Functions

main()

class gumnut_simulator.simulator.SimulatorState

Bases: enum.IntEnum

Enum where members are also (and must be) ints

halt = 0

idle = 1

breakpoint = 2

class gumnut_simulator.simulator.GumnutSimulator

Class which holds simulator data and CPU

reset(self)

Reset the simulator and the CPU

setup(self, source)

Initialize the CPU

step(self)

Triggers a single step of the CPU

get_flags(self)

Return CPU flags as a dict

Returns

{'CARRY': False, 'ZERO': True, 'WAIT': False, 'STBY': False, 'IEN': False}

get_register(self)

Return CPU register as a dict

Returns

{'r0': 0x01, 'r1': 0x20, ... , 'r7': 0xFF, 'PC': 0x34, 'SP': 0xA0, 'RAS': [0xF8, 0xF4, 0xB5', 0xF7, 0xC1 ]}

get_instruction_memory(self)

Return CPU instruction memory as a list

Returns

[F8, F4, B5, F7, C1, 97, ... , D8, D4, 86, 94, 9B]

get_data_memory(self)

Return CPU data memory as a list

Returns

[F8, F4, B5, F7, C1, 97, ... , D8, D4, 86, 94, 9B]

get_IO_controller_register(self)

Return IO controller register as a list

set_IO_controller_register(self, address, value)

get_current_line(self)

Return the current line number by looking up the current instruction memory pointer

get_simulator_data(self)

Return some debug/additional information

toggle_breakpoint(self, line_number)

get_breakpoints(self)

Return current breakpoints

get_state(self)

Return current simulator state

to_JSON(self)

_get_source_line_from_address(self, address)

trigger_interrupt(self)

Triggers an CPU interrupt by setting the internal flag

gumnut_simulator.simulator.main()