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started work on color palette support

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FeralChild64 authored and FeralChild64 committed 2021-01-26 00:03:07 +01:00
1 parent 79e54cf248
commit 2ef8819d17
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CONFIG.md
+4
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@@ -247,6 +247,10 @@ If enabled, STOP key terminates insert/quote mode (like on some _Black Box_ cart
Feature needs 12 bytes in KERNAL segment. If unsure - enable.
### `VIC_PALETTE`
Selects the default system palette - MEGA65 only.
## Software features
### `PANIC_SCREEN`
src/,,config_mega65.s
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@@ -77,6 +77,7 @@
; --- Screen editor
;; #CONFIG# EDIT_STOPQUOTE YES
;; #CONFIG# VIC_PALETTE 0 ; 0 = default; 1 = C65, 2 = Colodore, 3 = VICE, 4 = Frodo, 5 = Deekay
; --- Software features
src/aliases/,aliases_config.s
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@@ -237,6 +237,14 @@
}
; Check that screen settings are correct
!ifndef CONFIG_MB_M65 {
!ifdef CONFIG_VIC_PALETTE { !error "CONFIG_VIC_PALETTE is only possible for MEGA65 motherboard" }
}
!ifdef CONFIG_MB_MEGA65 {
!ifndef CONFIG_VIC_PALETTE { !error "CONFIG_VIC_PALETTE not specified" }
}
; Check that internal DOS configuration is correct
src/aliases/,aliases_hardware_m65.s
+8
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@@ -27,6 +27,14 @@
!addr VIC_CHARPTR = $D068 ; 3 bytes - pointer to start of character generator
!addr VIC_PALSEL = $D070 ; - palette selection register
; Palette memory areas
!addr PALETTE_R = $D100
!addr PALETTE_G = $D200
!addr PALETTE_B = $D300
; Keyboard
!addr C65_EXTKEYS_PR = $D607
src/kernal/board_m65/mega65_modeset.s
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@@ -67,6 +67,7 @@ m65_mode65:
jsr vicii_init
jsr viciv_init
jsr m65_reset_palette
; Initialize various memory structures
src/kernal/board_m65/mega65_reset_palette.s
+244
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@@ -0,0 +1,244 @@
;; #LAYOUT# M65 KERNAL_1 #TAKE
;; #LAYOUT# * * #IGNORE
!if (CONFIG_VIC_PALETTE = 0) { !set CONFIG_VIC_PALETTE = 4 } ; override palette to default value
!if (CONFIG_VIC_PALETTE = 1) {
; Original C65 palette, taken from C65 manual
; RRGGBB
!set RGB_0 = $000000 ; black
!set RGB_1 = $FFFFFF ; white
!set RGB_2 = $FF0000 ; red
!set RGB_3 = $00FFFF ; cyan
!set RGB_4 = $FF00FF ; purple / magenta
!set RGB_5 = $00FF00 ; green
!set RGB_6 = $0000FF ; blue
!set RGB_7 = $FFFF00 ; yellow
!set RGB_8 = $FF6600 ; orange
!set RGB_9 = $AA4400 ; brown
!set RGB_A = $FF7777 ; light red / pink
!set RGB_B = $555555 ; dark grey
!set RGB_C = $888888 ; medium grey
!set RGB_D = $99FF99 ; light green
!set RGB_E = $9999FF ; light blue
!set RGB_F = $BBBBBB ; light gray
} else if (CONFIG_VIC_PALETTE = 2) {
; A Colodore palette, values taken from VICE emulator
; Based on http://www.colodore.com/
; RRGGBB
!set RGB_0 = $000000 ; black
!set RGB_1 = $FFFFFF ; white
!set RGB_2 = $96282E ; red
!set RGB_3 = $5BD6CE ; cyan
!set RGB_4 = $9F2DAD ; purple / magenta
!set RGB_5 = $41B936 ; green
!set RGB_6 = $2724C4 ; blue
!set RGB_7 = $EFF347 ; yellow
!set RGB_8 = $9F4815 ; orange
!set RGB_9 = $5E3500 ; brown
!set RGB_A = $DA5F66 ; light red / pink
!set RGB_B = $474747 ; dark grey
!set RGB_C = $787878 ; medium grey
!set RGB_D = $91FF84 ; light green
!set RGB_E = $6864FF ; light blue
!set RGB_F = $AEAEAE ; light gray
} else if (CONFIG_VIC_PALETTE = 3) {
; A VICE emulator palette
; RRGGBB
!set RGB_0 = $000000 ; black
!set RGB_1 = $FDFEFC ; white
!set RGB_2 = $BE1A24 ; red
!set RGB_3 = $30E6C6 ; cyan
!set RGB_4 = $B41AE2 ; purple / magenta
!set RGB_5 = $1FD21E ; green
!set RGB_6 = $211BAE ; blue
!set RGB_7 = $DFF60A ; yellow
!set RGB_8 = $B84104 ; orange
!set RGB_9 = $6A3304 ; brown
!set RGB_A = $FE4A57 ; light red / pink
!set RGB_B = $424540 ; dark grey
!set RGB_C = $70746F ; medium grey
!set RGB_D = $59FE59 ; light green
!set RGB_E = $5F53FE ; light blue
!set RGB_F = $A4A7A2 ; light gray
} else if (CONFIG_VIC_PALETTE = 4) {
; A Frodo palette, values taken from VICE emulator
; RRGGBB
!set RGB_0 = $000000 ; black
!set RGB_1 = $FDFEFC ; white
!set RGB_2 = $BE1A24 ; red
!set RGB_3 = $30E6C6 ; cyan
!set RGB_4 = $B41AE2 ; purple / magenta
!set RGB_5 = $1FD21E ; green
!set RGB_6 = $211BAE ; blue
!set RGB_7 = $DFF60A ; yellow
!set RGB_8 = $B84104 ; orange
!set RGB_9 = $6A3304 ; brown
!set RGB_A = $FE4A57 ; light red / pink
!set RGB_B = $424540 ; dark grey
!set RGB_C = $70746F ; medium grey
!set RGB_D = $59FE59 ; light green
!set RGB_E = $5F53FE ; light blue
!set RGB_F = $A4A7A2 ; light gray
} else if (CONFIG_VIC_PALETTE = 5) {
; A Deekay palette, values taken from VICE emulator
; RRGGBB
!set RGB_0 = $000000 ; black
!set RGB_1 = $FFFFFF ; white
!set RGB_2 = $882000 ; red
!set RGB_3 = $68D0A8 ; cyan
!set RGB_4 = $A838A0 ; purple / magenta
!set RGB_5 = $50B818 ; green
!set RGB_6 = $181090 ; blue
!set RGB_7 = $F0E858 ; yellow
!set RGB_8 = $A04800 ; orange
!set RGB_9 = $472B1B ; brown
!set RGB_A = $C87870 ; light red / pink
!set RGB_B = $484848 ; dark grey
!set RGB_C = $808080 ; medium grey
!set RGB_D = $98FF98 ; light green
!set RGB_E = $5090D0 ; light blue
!set RGB_F = $B8B8B8 ; light gray
} else { !error "Unknown palette ID" }
m65_reset_palette:
; Enable RAM palette
lda VIC_CTRLA
ora #$04
sta VIC_CTRLA
; XXX loop instead
lda #%11000000
sta VIC_PALSEL
jsr m65_reset_palette_selected
lda #%10000000
sta VIC_PALSEL
jsr m65_reset_palette_selected
lda #%01000000
sta VIC_PALSEL
jsr m65_reset_palette_selected
lda #%00000000
sta VIC_PALSEL
jsr m65_reset_palette_selected
rts
m65_reset_palette_selected:
; First clear the entire palette
lda #$00
ldx #$00
@1:
sta PALETTE_R, x
sta PALETTE_G, x
sta PALETTE_B, x
inx
bne @1
; Now set default colors
ldx #$0F
@2:
lda m65_COL_R,x
sta $D100, x
lda m65_COL_G,x
sta $D200, x
lda m65_COL_B,x
sta $D300, x
dex
bpl @2
rts
; Macros to convert colors to C65/M65 palette
!macro COL_R .x { !byte ((((^.x & $0F) * $10) + ((^.x & $F0) / $10)) & %11101111) }
!macro COL_G .x { !byte (((>.x & $0F) * $10) + ((>.x & $F0) / $10)) }
!macro COL_B .x { !byte (((<.x & $0F) * $10) + ((<.x & $F0) / $10)) }
m65_COL_R:
+COL_R RGB_0
+COL_R RGB_1
+COL_R RGB_2
+COL_R RGB_3
+COL_R RGB_4
+COL_R RGB_5
+COL_R RGB_6
+COL_R RGB_7
+COL_R RGB_8
+COL_R RGB_9
+COL_R RGB_A
+COL_R RGB_B
+COL_R RGB_C
+COL_R RGB_D
+COL_R RGB_E
+COL_R RGB_F
m65_COL_G:
+COL_G RGB_0
+COL_G RGB_1
+COL_G RGB_2
+COL_G RGB_3
+COL_G RGB_4
+COL_G RGB_5
+COL_G RGB_6
+COL_G RGB_7
+COL_G RGB_8
+COL_G RGB_9
+COL_G RGB_A
+COL_G RGB_B
+COL_G RGB_C
+COL_G RGB_D
+COL_G RGB_E
+COL_G RGB_F
m65_COL_B:
+COL_B RGB_0
+COL_B RGB_1
+COL_B RGB_2
+COL_B RGB_3
+COL_B RGB_4
+COL_B RGB_5
+COL_B RGB_6
+COL_B RGB_7
+COL_B RGB_8
+COL_B RGB_9
+COL_B RGB_A
+COL_B RGB_B
+COL_B RGB_C
+COL_B RGB_D
+COL_B RGB_E
+COL_B RGB_F
src/kernal/board_m65/mega65_reset_part.s
+3 -3
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@@ -6,15 +6,15 @@
m65_reset_part:
jsr map_NORMAL ; we want normal memory mapping
jsr viciv_shutdown ; by default we do not want the VIC-IV
jsr map_NORMAL ; we want normal memory mapping
jsr viciv_shutdown ; by default we do not want the VIC-IV
jsr M65_MODEGET
bcs m65_clr_end
; Clear MEAGA65 native mode mark, it might cause confusion
m65_clr_magictstr: ; entry point for mode switching routine
m65_clr_magictstr: ; entry point for mode switching routine
lda #$00
sta M65_MAGICSTR+0
src/kernal/board_m65/mega65_viciv_setctrl_AC.s
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@@ -9,6 +9,7 @@
mega65_viciv_setctrl_AC:
sta VIC_CTRLA
ora #%00000100 ; always use RAM color palette
lda VIC_CTRLC
and #%01101000
src/zvm_m65/zvm_core.s
+13 -2
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@@ -19,16 +19,27 @@ ZVM_entry:
sta CINV+1
; Make sure $C000-$CFFF ROM is mapped-in, we keep our proxies there
; Also make sure the palette is taken from RAM
lda VIC_CTRLA
ora #%00100000
ora #%00100100
sta VIC_CTRLA
; Setup colours, print welcome message
; Setup colours to ressemble vintage green monitor from the 70s, print welcome message
lda #$00
sta VIC_EXTCOL
sta VIC_BGCOL0
sta PALETTE_R+0
sta PALETTE_G+0
sta PALETTE_B+0
lda #$01
sta PALETTE_R+5
lda #$47
sta PALETTE_G+5
lda #$02
sta PALETTE_B+5
jsr PRIMM
!byte KEY_GREEN, KEY_ESC, 'o', KEY_CLR, KEY_C65_SHIFT_ON, KEY_TXT, KEY_C65_SHIFT_OFF
tools/generate_strings.cc
+1 -1
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@@ -294,7 +294,7 @@ const StringEntryList GLOBAL_MiscStrings = { ListType::STRINGS_BASIC, "misc",
{ true, true, true, true, true, "STR_BRK_AT", "\rBRK AT $" },
{ false, false, true, false, false, "STR_ORS", "OPEN ROMS BASIC & KERNAL\r" },
{ false, false, true, false, false, "STR_ORS_LEGACY", "(LEGACY MODE) " },
{ false, false, true, false, false, "STR_ORS_LEGACY", "(LEGACY MODE) " },
{ false, true, true, false, false, "STR_MEM_HDR", "\r\x12 AREA START SIZE \r" },
{ false, true, true, false, false, "STR_MEM_1", " $" },