gif2zxs

convert GIF animations into ZX-Spectrum screens

Install this globally and you'll have access to the gif2zxs command line interface anywhere on your system:

npm install -g gif2zxs

Usage:

• $ gif2scr [options] <input.gif...>

Options:

• -d, --dir --- output directory
• -c, --attr --- ZX-Spectrum color attribute value (0..127, default 56)
• -t, --threshold --- threshold integer value (0..255, default 128)
• -r, --resizer --- image resample method:

• "none" --- Nearest-neighbor (default)
• "bilinear" --- Bilinear interpolation
• "bicubic" --- Bicubic interpolation
• "hermite" --- Hermite curve interpolation
• "bezier" --- Bezier curve interpolation

• -z, --dither --- dither method:

• "none" --- Simple threshold, no dither (default)
• "bayer4" --- Bayer 4x4 matrix ordered dither
• "bayer8" --- Bayer 8x8 matrix ordered dither
• "floydsteinberg" --- Floyd-Steinberg error diffusion
• "atkinson" --- Atkinson error diffusion

• -a, --ani --- output animation binary file of type:

• "xor" --- ZX-Spectrum screen mode, XOR method (default)
• "direct" --- ZX-Spectrum screen mode, direct write method
• "linear-xor" --- linear screen mode, XOR method
• "linear-direct" --- linear screen mode, direct write method

• -s, --skip --- Skip number of frames between each ani-frame (default 0)

• --lossy --- Lossy conversion post-processing

• --holes --- Hole tolerance while storing ani-chunk (1..7, default 2)

• --scanline --- Process nth scanline into animation (1..2, default 1)

• -h, --help --- Show help

• -v, --version --- Version number