mirror of
https://github.com/JetSetIlly/Gopher2600.git
synced 2025-04-02 11:02:17 -04:00
63 lines
1.8 KiB
Go
63 lines
1.8 KiB
Go
// This file is part of Gopher2600.
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//
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// Gopher2600 is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Gopher2600 is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Gopher2600. If not, see <https://www.gnu.org/licenses/>.
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package dbgmem
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import (
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"fmt"
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"strings"
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"github.com/jetsetilly/gopher2600/hardware/memory/memorymap"
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)
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// AddressInfo is returned by dbgmem functions. This type contains everything
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// you could possibly usefully know about an address. Most usefully perhaps,
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// the String() function provides a normalised presentation of information.
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type AddressInfo struct {
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Address uint16
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MappedAddress uint16
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Symbol string
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Area memorymap.Area
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// addresses and symbols are mapped differently depending on whether
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// address is to be used for reading or writing
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Read bool
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// the data at the address. if peeked is false then data may not be valid
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Peeked bool
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Data uint8
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}
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func (ai AddressInfo) String() string {
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s := strings.Builder{}
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s.WriteString(fmt.Sprintf("%#04x", ai.Address))
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if ai.Symbol != "" {
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s.WriteString(fmt.Sprintf(" (%s)", ai.Symbol))
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}
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if ai.Address != ai.MappedAddress {
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s.WriteString(fmt.Sprintf(" [mirror of %#04x]", ai.MappedAddress))
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}
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s.WriteString(fmt.Sprintf(" (%s)", ai.Area.String()))
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if ai.Peeked {
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s.WriteString(fmt.Sprintf(" -> %#02x", ai.Data))
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}
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return s.String()
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}
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