Peripheral 4 Setting Register: Difference between revisions
From SpecNext Wiki
mNo edit summary |
Core 2.00.26 changes |
||
| Line 10: | Line 10: | ||
| 7 || Enables AY2 "mono" output (A+B+C is sent to both R and L channels, makes it a bit louder than stereo mode). | | 7 || Enables AY2 "mono" output (A+B+C is sent to both R and L channels, makes it a bit louder than stereo mode). | ||
|- | |- | ||
| 6 || Enables AY1 "mono" output | | 6 || Enables AY1 "mono" output (1 = mono, 0 default) | ||
|- | |- | ||
| 5 || Enables AY0 "mono" output | | 5 || Enables AY0 "mono" output | ||
|- | |- | ||
| 4 || | | 4 || Sprite id lockstep (1 = {{NextRegNo|$34}} and {{PortNo|$303B}} are in lockstep, 0 default) | ||
|- | |- | ||
| 3 || Disables Kempston mouse port ($DF) if set | | 3 || Disables Kempston mouse port ($DF) if set | ||
Revision as of 07:03, 27 January 2019
| Number | TBRegisterNumber::$09 |
|---|---|
| Readable | TBRegisterReadable::Yes |
| Writable | TBRegisterWritable::Yes |
| Short Description | ShortDesc::Sets scanlines, AY mono output, disables Kempston and divMMC ports. |
| Bit | Function |
|---|---|
| 7 | Enables AY2 "mono" output (A+B+C is sent to both R and L channels, makes it a bit louder than stereo mode). |
| 6 | Enables AY1 "mono" output (1 = mono, 0 default) |
| 5 | Enables AY0 "mono" output |
| 4 | Sprite id lockstep (1 = {{#ask:
TBRegisterNumber::$34 }} ($34) and {{#ask: PortNumber::$303B }} ($303B{{#ask: PortNumber::$303B |mainlabel=- |headers=hide |intro= / |?NumberDec#- }}) are in lockstep, 0 default) |
| 3 | Disables Kempston mouse port ($DF) if set |
| 2 | Disables divMMC ports ($E3, $E7, $EB) if set |
| 1-0 | scanlines configuration (0 after a PoR or Hard-reset):
%00 = scanlines off, %01 = scanlines 75%, %10 = scanlines 50%, %11 = scanlines 25% |