memory.common.spinh

{
    --------------------------------------------
    Filename: memory.common.spinh
    Author: Jesse Burt
    Description: Routines common to all memory drivers
    Copyright (c) 2023
    Started Jul 30, 2022
    Updated Apr 7, 2023
    See end of file for terms of use.
    --------------------------------------------
}

PUB rd_byte(addr): b
' Read a byte of data from memory
    b := 0
    rd_block_msbf(@b, addr, 1)

PUB rd_long_lsbf(addr): l
' Read one long from memory, LSB-first
    l := 0
    rd_block_lsbf(@l, addr, 4)

PUB rd_long_msbf(addr): l
' Read one long from memory, MSB-first
    l := 0
    rd_block_msbf(@l, addr, 4)

PUB rd_word_lsbf(addr): w
' Read one word from memory, LSB-first
    w := 0
    rd_block_lsbf(@w, addr, 2)

PUB rd_word_msbf(addr): w
' Read one word from memory, MSB-first
    w := 0
    rd_block_msbf(@w, addr, 2)

PUB wr_byte(addr, val)
' Write one byte to memory
    wr_block_lsbf(addr, @val, 1)

PUB wr_long_lsbf(addr, val)
' Write one long to memory, LSB-first
    wr_block_lsbf(addr, @val, 4)

PUB wr_long_msbf(addr, val)
' Write one long to memory, MSB-first
    wr_block_msbf(addr, @val, 4)

PUB wr_word_lsbf(addr, val)
' Write one word to memory, LSB-first
    wr_block_lsbf(addr, @val, 2)

PUB wr_word_msbf(addr, val)
' Write one word to memory, MSB-first
    wr_block_msbf(addr, @val, 2)

DAT
{
Copyright 2022 Jesse Burt

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
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furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or
substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
}