Apple-2-Tools
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izapple2
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Video7, mix with RGB color text 40

This commit is contained in:
Ivan Izaguirre 2020-08-09 17:42:47 +02:00
parent d1bf13ce7f
commit ede3b65257
3 changed files with 66 additions and 43 deletions
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80
screen.go
View File

@ -16,31 +16,36 @@ References:
*/
const (
videoText40 uint8 = 0x01
videoGR uint8 = 0x02
videoHGR uint8 = 0x03
// Base Video Mode
videoBaseMask uint16 = 0x1f
videoText40 uint16 = 0x01
videoGR uint16 = 0x02
videoHGR uint16 = 0x03
videoText80 uint16 = 0x08
videoDGR uint16 = 0x09
videoDHGR uint16 = 0x0a
videoText40RGB uint16 = 0x10
videoMono560 uint16 = 0x11
videoRGBMix uint16 = 0x12
videoRGB160 uint16 = 0x13
videoSHR uint16 = 0x14
videoText80 uint8 = 0x08
videoDGR uint8 = 0x09
videoDHGR uint8 = 0x0a
// Mix text modifiers
videoMixTextMask uint16 = 0x0f00
videoMixText40 uint16 = 0x0100
videoMixText80 uint16 = 0x0200
videoMixText40RGB uint16 = 0x0300
videoRGBText40 uint8 = 0x10
videoMono560 uint8 = 0x11
videoRGBMix uint8 = 0x12
videoRGB160 uint8 = 0x13
videoSHR uint8 = 0x14
// Modifiers
videoBaseMask uint8 = 0x1f
videoSecondPage uint8 = 0x20
videoMixText40 uint8 = 0x40
videoMixText80 uint8 = 0x80
// Other modifiers
videoModifiersMask uint16 = 0xf000
videoSecondPage uint16 = 0x1000
)
func getCurrentVideoMode(a *Apple2) uint8 {
func getCurrentVideoMode(a *Apple2) uint16 {
isTextMode := a.io.isSoftSwitchActive(ioFlagText)
isHiResMode := a.io.isSoftSwitchActive(ioFlagHiRes)
is80Columns := a.io.isSoftSwitchActive(ioFlag80Col)
isStore80Active := a.mmu.store80Active
isDoubleResMode := !isTextMode && is80Columns && !a.io.isSoftSwitchActive(ioFlagAnnunciator3)
isSuperHighResMode := a.io.isSoftSwitchActive(ioDataNewVideo)
@ -52,19 +57,17 @@ func getCurrentVideoMode(a *Apple2) uint8 {
isMixMode := a.io.isSoftSwitchActive(ioFlagMixed)
mode := uint8(0)
mode := uint16(0)
if isSuperHighResMode {
mode = videoSHR
isMixMode = false
} else if isTextMode {
if is80Columns {
mode = videoText80
} else if isStore80Active {
mode = videoText40RGB
} else {
if a.mmu.store80Active {
mode = videoRGBText40
} else {
mode = videoText40
}
mode = videoText40
}
isMixMode = false
} else if isHiResMode {
@ -89,6 +92,8 @@ func getCurrentVideoMode(a *Apple2) uint8 {
if isMixMode {
if is80Columns {
mode |= videoMixText80
} else if isStore80Active {
mode |= videoMixText40RGB
} else {
mode |= videoMixText40
}
@ -101,10 +106,10 @@ func getCurrentVideoMode(a *Apple2) uint8 {
return mode
}
func snapshotByMode(a *Apple2, videoMode uint8) *image.RGBA {
func snapshotByMode(a *Apple2, videoMode uint16) *image.RGBA {
videoBase := videoMode & videoBaseMask
mixMode := videoMode & videoMixTextMask
isSecondPage := (videoMode & videoSecondPage) != 0
isMixMode := (videoMode & (videoMixText40 | videoMixText80)) != 0
var lightColor color.Color
if a.isColor {
@ -126,7 +131,7 @@ func snapshotByMode(a *Apple2, videoMode uint8) *image.RGBA {
case videoText80:
snap = snapshotText80Mode(a, isSecondPage, lightColor)
applyNTSCFilter = false
case videoRGBText40:
case videoText40RGB:
snap = snapshotText40RGBMode(a, isSecondPage)
applyNTSCFilter = false
case videoGR:
@ -149,19 +154,28 @@ func snapshotByMode(a *Apple2, videoMode uint8) *image.RGBA {
applyNTSCFilter = false
}
if isMixMode {
if applyNTSCFilter {
snap = filterNTSCColor(snap, ntscMask)
}
if mixMode != 0 {
var bottom *image.RGBA
if (videoMode & videoMixText40) != 0 {
applyNTSCFilter := a.isColor
switch mixMode {
case videoMixText40:
bottom = snapshotText40Mode(a, isSecondPage, lightColor)
} else {
case videoMixText80:
bottom = snapshotText80Mode(a, isSecondPage, lightColor)
case videoMixText40RGB:
bottom = snapshotText40RGBMode(a, isSecondPage)
applyNTSCFilter = false
}
if applyNTSCFilter {
snap = filterNTSCColor(snap, ntscMask)
}
snap = mixSnapshots(snap, bottom)
}
if applyNTSCFilter {
snap = filterNTSCColor(snap, ntscMask)
}
return snap
}

27
screenDebugParts.go
View File

@ -9,6 +9,8 @@ func (a *Apple2) SnapshotParts() *image.RGBA {
videoMode := getCurrentVideoMode(a)
isSecondPage := (videoMode & videoSecondPage) != 0
videoBase := videoMode & videoBaseMask
mixMode := videoMode & videoMixTextMask
modifiers := videoMode & videoModifiersMask
snapScreen := snapshotByMode(a, videoMode)
snapPage1 := snapshotByMode(a, videoMode&^videoSecondPage)
@ -21,12 +23,17 @@ func (a *Apple2) SnapshotParts() *image.RGBA {
snapAux = filterMask(mask)
}*/
if videoBase == videoRGBText40 {
if videoBase == videoText40RGB {
snapAux = snapshotText40RGBModeColors(a, isSecondPage)
} else if (videoMode & videoMixText80) != 0 {
snapAux = snapshotByMode(a, videoText80)
} else {
snapAux = snapshotByMode(a, videoText40)
switch mixMode {
case videoMixText80:
snapAux = snapshotByMode(a, videoText80|modifiers)
case videoMixText40RGB:
snapAux = snapshotByMode(a, videoText40RGB|modifiers)
default:
snapAux = snapshotByMode(a, videoText40|modifiers)
}
}
return mixFourSnapshots([]*image.RGBA{snapScreen, snapAux, snapPage1, snapPage2})
@ -36,6 +43,7 @@ func (a *Apple2) SnapshotParts() *image.RGBA {
func (a *Apple2) VideoModeName() string {
videoMode := getCurrentVideoMode(a)
videoBase := videoMode & videoBaseMask
mixMode := videoMode & videoMixTextMask
var name string
applyNTSCFilter := a.isColor
@ -47,7 +55,7 @@ func (a *Apple2) VideoModeName() string {
case videoText80:
name = "TEXT80COL"
applyNTSCFilter = false
case videoRGBText40:
case videoText40RGB:
name = "TEXT40COLRGB"
applyNTSCFilter = false
case videoGR:
@ -76,12 +84,13 @@ func (a *Apple2) VideoModeName() string {
name += "-PAGE2"
}
if (videoMode & videoMixText40) != 0 {
switch mixMode {
case videoMixText40:
name += "-MIX40"
}
if (videoMode & videoMixText80) != 0 {
case videoMixText80:
name += "-MIX80"
case videoMixText40RGB:
name += "-MIX40RGB"
}
if applyNTSCFilter {

2
screenText.go
View File

@ -85,7 +85,7 @@ func getRGBTextColor(pixel bool, colorKey uint8) color.Color {
colorKey >>= 4
}
colorKey &= 0x0f
return rgbColorMap[colorKey]
return ntscColorMap[colorKey]
}