Matthew Pomes
5c25059ae3
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Cargo Build & Test / Rust project - latest (stable) (push) Failing after 38s
76 lines
3.0 KiB
PHP
76 lines
3.0 KiB
PHP
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; *******************************************************************************
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; ** **
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; ** sim65.inc : assembler definitions for the sim6502 and sim65c02 targets. **
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; ** **
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; ** Sidney Cadot, January 2025 **
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; ** **
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; *******************************************************************************
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; The '_peripherals' symbol is defined in the linker configuration
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; file to correspond to the first address in the periperal memory
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; aparture.
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;
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; We use it here as a base address for all peripheral addresses.
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.import _peripherals
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; **************************************************************
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; ** **
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; ** Define assembler symbols for the "counter" peripheral. **
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; ** **
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; **************************************************************
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peripheral_counter_base := _peripherals + 0
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peripheral_counter_latch := peripheral_counter_base + 0
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peripheral_counter_select := peripheral_counter_base + 1
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peripheral_counter_value := peripheral_counter_base + 2
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; Values for the peripheral_counter_select register.
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COUNTER_SELECT_CLOCKCYCLE_COUNTER = $00
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COUNTER_SELECT_INSTRUCTION_COUNTER = $01
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COUNTER_SELECT_IRQ_COUNTER = $02
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COUNTER_SELECT_NMI_COUNTER = $03
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COUNTER_SELECT_WALLCLOCK_TIME = $80
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COUNTER_SELECT_WALLCLOCK_TIME_SPLIT = $81
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; ********************************************************************
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; ** **
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; ** Define assembler symbols for the "sim65 control" peripheral. **
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; ** **
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; ********************************************************************
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peripheral_sim65_base := _peripherals + 10
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peripheral_sim65_cpu_mode := peripheral_sim65_base + 0
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peripheral_sim65_trace_mode := peripheral_sim65_base + 1
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; Values for the peripheral_sim65_cpu_mode register.
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SIM65_CPU_MODE_6502 = $00
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SIM65_CPU_MODE_65C02 = $01
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SIM65_CPU_MODE_6502X = $02
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; Bitfield values for the peripheral_sim65_trace_mode field.
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SIM65_TRACE_MODE_FIELD_INSTR_COUNTER = $40
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SIM65_TRACE_MODE_FIELD_CLOCK_COUNTER = $20
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SIM65_TRACE_MODE_FIELD_PC = $10
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SIM65_TRACE_MODE_FIELD_INSTR_BYTES = $08
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SIM65_TRACE_MODE_FIELD_INSTR_ASSEMBLY = $04
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SIM65_TRACE_MODE_FIELD_CPU_REGISTERS = $02
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SIM65_TRACE_MODE_FIELD_CC65_SP = $01
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; Values for the peripheral_sim65_trace_mode field that fully disable / enable tracing.
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SIM65_TRACE_MODE_DISABLE = $00
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SIM65_TRACE_MODE_ENABLE_FULL = $7F
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; ************************
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; ** **
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; ** End of sim65.inc **
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; ** **
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; ************************
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