Difference between revisions of "MGV"

Revision as of 21:43, 30 March 2024

MGLV is a video format for MSXgl.

Offset	Size	Desc.	Value
0x0000	4	Signature	"MGLV"
0x0004	1	Flag	7 6 5 4 3 2 1 0 │ │ │ │ └──┴──┴──┴── File format version (0-15) │ │ │ └────────────── │ │ └───────────────── │ └──────────────────── └─────────────────────── Include video format
(0x0005)	1	Video format - Width (1-256)	7 6 5 4 3 2 1 0 │ │ │ │ └──┴──┴──┴── Screen mode │ │ └──┴────────────── Bit per pixel (0: 1-bit, 1: 2-bit, 2: 4-bit, 3: 8-bit) │ └──────────────────── └───────────────────────
(0x0006)	1	Video format - Width	1-256)
(0x0007)	1	Video format - Height	1-256

Cmd	Options	Desc.
`0x00`		End of data
`0x01`		End of frame
`0x02`		End of segment (increment segment index and reset data pointer)
`0x03`
`0x04`	`nn`	Skip `nn+1` bytes (1-256)
`0x05`	`nnnn`	Skip `nnnn` bytes (1-65536)
`0x06`	`nn,vv`	Fill `nn` bytes (1-256) with `vv` value
`0x07`	`nnnn,vv`	Fill `nnnn` bytes (1-65536) with `vv` value
`0x08`	`nn,vv[nn]`	Copy `nn` bytes (1-256) from `vv[nn]` data table
`0x09`	`nnnn,vv[nnnn]`	Copy `nnnn` bytes (1-65536) from `vv[nnnn]` data table
`0x0A`
`0x0B`
`0x0C`	`vv`	Fill full frame with `vv` value
`0x0D`
`0x0E`
`0x0F`

.MGLV (for Windows/Linux) or .MGV (for MSX-DOS)

@@ Line 28: / Line 28: @@
   └───────────────────────
 |-
-| (0x0006) || 1 || Video format - Width (1-256)
+| (0x0006) || 1 || Video format - Width || 1-256)
 |-
-| (0x0007) || 1 || Video format - Height (1-256)
+| (0x0007) || 1 || Video format - Height || 1-256
 |}