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Add missing docblocks
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@ -91,6 +91,10 @@ apple2_mem_map(apple2 *mach, vm_segment *segment)
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apple2_mem_map_bank_switch(segment);
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apple2_mem_map_bank_switch(segment);
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}
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}
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/*
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* This function will establish all of the mapper functions to handle
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* the soft switches for memory bank-switching.
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*/
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void
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void
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apple2_mem_map_bank_switch(vm_segment *segment)
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apple2_mem_map_bank_switch(vm_segment *segment)
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{
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{
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@ -109,6 +113,9 @@ apple2_mem_map_bank_switch(vm_segment *segment)
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vm_segment_write_map(segment, 0xC009, apple2_mem_write_bank_switch);
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vm_segment_write_map(segment, 0xC009, apple2_mem_write_bank_switch);
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}
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}
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/*
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* Initialize the peripheral ROM ($C100 - $C7FF).
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*/
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int
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int
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apple2_mem_init_peripheral_rom(apple2 *mach)
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apple2_mem_init_peripheral_rom(apple2 *mach)
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{
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{
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@ -448,30 +448,50 @@ mos6502_get_address_resolver(vm_8bit opcode)
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return NULL;
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return NULL;
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}
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}
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/*
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* Get the byte at a given address from whatever the read memory segment
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* is.
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*/
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inline vm_8bit
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inline vm_8bit
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mos6502_get(mos6502 *cpu, size_t addr)
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mos6502_get(mos6502 *cpu, size_t addr)
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{
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{
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return vm_segment_get(cpu->rmem, addr);
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return vm_segment_get(cpu->rmem, addr);
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}
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}
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/*
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* Return the 16-bit value from a given address using the read memory
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* segment.
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*/
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inline vm_16bit
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inline vm_16bit
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mos6502_get16(mos6502 *cpu, size_t addr)
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mos6502_get16(mos6502 *cpu, size_t addr)
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{
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{
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return vm_segment_get16(cpu->rmem, addr);
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return vm_segment_get16(cpu->rmem, addr);
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}
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}
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/*
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* Set the byte at a given address to the given value, using whatever
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* the write segment is.
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*/
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inline void
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inline void
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mos6502_set(mos6502 *cpu, size_t addr, vm_8bit value)
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mos6502_set(mos6502 *cpu, size_t addr, vm_8bit value)
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{
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{
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vm_segment_set(cpu->wmem, addr, value);
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vm_segment_set(cpu->wmem, addr, value);
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}
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}
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/*
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* Set the two bytes at a given address to the given value, using the
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* write segment.
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*/
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inline void
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inline void
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mos6502_set16(mos6502 *cpu, size_t addr, vm_16bit value)
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mos6502_set16(mos6502 *cpu, size_t addr, vm_16bit value)
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{
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{
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vm_segment_set16(cpu->wmem, addr, value);
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vm_segment_set16(cpu->wmem, addr, value);
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}
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}
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/*
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* Given a read and write memory segment, update the CPU to use those
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* implicitly when handling the mos6502_set/get functions.
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*/
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void
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void
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mos6502_set_memory(mos6502 *cpu, vm_segment *rmem, vm_segment *wmem)
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mos6502_set_memory(mos6502 *cpu, vm_segment *rmem, vm_segment *wmem)
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{
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{
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