80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
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/*
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* prjpeppercorn -- GateMate FPGAs Bitstream Documentation and Tools
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*
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* Copyright (C) 2024 The Project Peppercorn Authors.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include "Die.hpp"
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#include "Util.hpp"
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namespace GateMate {
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Die::Die() { clear(); }
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void Die::clear()
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{
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memset(latch, 0, sizeof(uint8_t) * MAX_ROWS * MAX_COLS * LATCH_BLOCK_SIZE);
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memset(ram, 0, sizeof(uint8_t) * MAX_RAM * RAM_BLOCK_SIZE);
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memset(ram_data, 0, sizeof(uint8_t) * MAX_RAM * MEMORY_SIZE);
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}
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bool Die::is_latch_empty(int x, int y) const
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{
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for (int i = 0; i < LATCH_BLOCK_SIZE; i++)
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if (latch[y * MAX_COLS + x][i] != 0)
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return false;
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return true;
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}
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bool Die::is_ram_empty(int x, int y) const
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{
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for (int i = 0; i < RAM_BLOCK_SIZE; i++)
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if (ram[y * MAX_RAM_COLS + x][i] != 0)
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return false;
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return true;
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}
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bool Die::is_ram_data_empty(int x, int y) const
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{
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for (int i = 0; i < MEMORY_SIZE; i++)
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if (ram_data[y * MAX_RAM_COLS + x][i] != 0)
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return false;
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return true;
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}
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void Die::write_latch(int x, int y, const std::vector<uint8_t> &data)
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{
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int pos = 0;
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for (auto d : data)
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latch[y * MAX_COLS + x][pos++] = d;
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}
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void Die::write_ram(int x, int y, const std::vector<uint8_t> &data)
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{
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int pos = 0;
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for (auto d : data)
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ram[y * MAX_RAM_COLS + x][pos++] = d;
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}
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void Die::write_ram_data(int x, int y, const std::vector<uint8_t> &data, uint16_t addr)
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{
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int pos = addr;
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for (auto d : data)
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ram_data[y * MAX_RAM_COLS + x][pos++] = d;
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}
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} // namespace GateMate
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