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ZxInterface1MemExt

spectrusty_peripherals::memory

Struct ZxInterface1MemExt 

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pub struct ZxInterface1MemExt { /* private fields */ }
Expand description

The ZX Interface 1 memory extension.

Interface 1 ROM is paged in if the processor executes the instruction at address 0x0008 or 0x1708, the error handler, and CLOSE # routines. It is paged out after the Z80 executes the RET at address 0x0700.

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impl ZxInterface1MemExt

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pub fn load_if1_rom<R: Read>(&mut self, rd: R) -> Result<()>

Provide a reader with 8kb of ZX Interface 1 ROM program code.

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pub fn exrom(&self) -> &ExRom

Returns a reference to the EX-ROM bank.

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pub fn clear_exrom(&mut self)

Removes data from the EX-ROM bank.

§Note

If the EX-ROM bank has been paged in, it won’t be paged out automatically after the EX-ROM data is cleared from the extension.

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pub fn map_exrom<M: ZxMemory>( &self, memory: &mut M, ) -> Result<(), ZxMemoryError>

Maps EX-ROM into memory page 0.

§Errors

Returns an error if the extension’s EX-ROM bank is not populated with ROM data.

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pub fn unmap_exrom<M: ZxMemory>(&self, memory: &mut M)

Unmaps EX-ROM from memory.

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pub fn is_mapped_exrom<M: ZxMemory>(&self, memory: &M) -> bool

Returns true if EX-ROM is currently paged in.

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impl Clone for ZxInterface1MemExt

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fn clone(&self) -> ZxInterface1MemExt

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for ZxInterface1MemExt

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for ZxInterface1MemExt

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for ZxInterface1MemExt

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl MemoryExtension for ZxInterface1MemExt

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fn read_opcode<M: ZxMemory>(&mut self, pc: u16, memory: &mut M) -> u8

Read op-code from the given memory at the given pc address, optionally altering provided memory.
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impl Serialize for ZxInterface1MemExt

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

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