mini stack thingy

gistfile1.go

package memories

import (
    "fmt"
    "errors"
)

type SRAM struct {
    size int
    memory []uint8
}

func (sram *SRAM) write(address int, data uint8) error {
    if address >= sram.size || address < 0 {
        return errors.New("Addressing out of bounds.")
    }
    sram.memory[address] = data
    return nil
}

func (sram *SRAM) read(address int) (uint8, error) {
    if address >= sram.size || address < 0 {
        err := errors.New("Addressing out of bounds.")
        return 0, err
    }
    return sram.memory[address], nil
}

func main() {
    var sram_size = 1024
    sram := &SRAM{sram_size, make([]uint8, sram_size)}
    sram.write(0, 0x42)
    val, _ := sram.read(0)
    fmt.Printf("SRAM: %v\n", val)
}