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21
README.md
View file

@ -1,17 +1,26 @@
# Solitaire C64 # Solitaire C64
A classic Klondike solitaire card game for the Commodore 64. A classic Klondike solitaire card game for the Commodore 64, written in c65gm.
## Features ## Features
- Full Klondike with draw-1 and draw-3 modes - **Full Klondike Solitaire**: Stock, waste, 7 tableaus, and 4 foundation piles
- Joystick and 1351 mouse support - **Dual Input Support**: Play with joystick or 1351 mouse
- Extended color mode graphics with sprite cursor - **Draw Modes**: Toggle between draw-1 and draw-3 gameplay
- Hardware-seeded RNG for shuffling - **Custom Graphics**: Character-based card rendering using extended color mode
- **Sprite Cursor**: Visual pointer for card selection and movement
- **Smart Shuffling**: Hardware-seeded RNG for true randomness
## Technical Details
**Language**: c65gm (C-like language for 6502/C64)
**Memory Layout**: Code at $3000, custom charset at $2000
**Graphics**: Extended Color Mode (ECM) with custom character set
**Input**: CIA joystick ports + 1351 proportional mouse support
## Building ## Building
Requires the [c65gm compiler](https://git.techserio.com/mattiashz/c65gm) and ACME assembler: Requires the c65gm compiler and ACME assembler:
```bash ```bash
./cm.sh ./cm.sh

69
carddeck.c65
View file

@ -95,13 +95,28 @@ FEND
// Tab0=1, Tab1=2, Tab2=3, Tab3=4, Tab4=5, Tab5=6, Tab6=7 cards // Tab0=1, Tab1=2, Tab2=3, Tab3=4, Tab4=5, Tab5=6, Tab6=7 cards
// Top card of each tableau is face up // Top card of each tableau is face up
FUNC deal_tableaus FUNC deal_tableaus
deal_to_tableau(@pile_tab0, 1) WORD ptr
deal_to_tableau(@pile_tab1, 2)
deal_to_tableau(@pile_tab2, 3) POINTER ptr -> pile_tab0
deal_to_tableau(@pile_tab3, 4) deal_to_tableau(ptr, 1)
deal_to_tableau(@pile_tab4, 5)
deal_to_tableau(@pile_tab5, 6) POINTER ptr -> pile_tab1
deal_to_tableau(@pile_tab6, 7) deal_to_tableau(ptr, 2)
POINTER ptr -> pile_tab2
deal_to_tableau(ptr, 3)
POINTER ptr -> pile_tab3
deal_to_tableau(ptr, 4)
POINTER ptr -> pile_tab4
deal_to_tableau(ptr, 5)
POINTER ptr -> pile_tab5
deal_to_tableau(ptr, 6)
POINTER ptr -> pile_tab6
deal_to_tableau(ptr, 7)
FEND FEND
// Clear the seen array // Clear the seen array
@ -151,6 +166,7 @@ FEND
// Validate entire deck across all piles // Validate entire deck across all piles
// Returns: 0=OK, 1=duplicate, 2=missing // Returns: 0=OK, 1=duplicate, 2=missing
FUNC validate_deck(out:{BYTE result}) FUNC validate_deck(out:{BYTE result})
WORD ptr @ $98
WORD seen_ptr @ $fc WORD seen_ptr @ $fc
BYTE pile_result BYTE pile_result
BYTE i BYTE i
@ -162,82 +178,95 @@ FUNC validate_deck(out:{BYTE result})
result = VALIDATE_OK result = VALIDATE_OK
// Check stock // Check stock
validate_pile(@pile_stock, pile_result) POINTER ptr -> pile_stock
validate_pile(ptr, pile_result)
IF pile_result IF pile_result
result = pile_result result = pile_result
EXIT EXIT
ENDIF ENDIF
// Check waste // Check waste
validate_pile(@pile_waste, pile_result) POINTER ptr -> pile_waste
validate_pile(ptr, pile_result)
IF pile_result IF pile_result
result = pile_result result = pile_result
EXIT EXIT
ENDIF ENDIF
// Check tableau piles // Check tableau piles
validate_pile(@pile_tab0, pile_result) POINTER ptr -> pile_tab0
validate_pile(ptr, pile_result)
IF pile_result IF pile_result
result = pile_result result = pile_result
EXIT EXIT
ENDIF ENDIF
validate_pile(@pile_tab1, pile_result) POINTER ptr -> pile_tab1
validate_pile(ptr, pile_result)
IF pile_result IF pile_result
result = pile_result result = pile_result
EXIT EXIT
ENDIF ENDIF
validate_pile(@pile_tab2, pile_result) POINTER ptr -> pile_tab2
validate_pile(ptr, pile_result)
IF pile_result IF pile_result
result = pile_result result = pile_result
EXIT EXIT
ENDIF ENDIF
validate_pile(@pile_tab3, pile_result) POINTER ptr -> pile_tab3
validate_pile(ptr, pile_result)
IF pile_result IF pile_result
result = pile_result result = pile_result
EXIT EXIT
ENDIF ENDIF
validate_pile(@pile_tab4, pile_result) POINTER ptr -> pile_tab4
validate_pile(ptr, pile_result)
IF pile_result IF pile_result
result = pile_result result = pile_result
EXIT EXIT
ENDIF ENDIF
validate_pile(@pile_tab5, pile_result) POINTER ptr -> pile_tab5
validate_pile(ptr, pile_result)
IF pile_result IF pile_result
result = pile_result result = pile_result
EXIT EXIT
ENDIF ENDIF
validate_pile(@pile_tab6, pile_result) POINTER ptr -> pile_tab6
validate_pile(ptr, pile_result)
IF pile_result IF pile_result
result = pile_result result = pile_result
EXIT EXIT
ENDIF ENDIF
// Check foundation piles // Check foundation piles
validate_pile(@pile_found0, pile_result) POINTER ptr -> pile_found0
validate_pile(ptr, pile_result)
IF pile_result IF pile_result
result = pile_result result = pile_result
EXIT EXIT
ENDIF ENDIF
validate_pile(@pile_found1, pile_result) POINTER ptr -> pile_found1
validate_pile(ptr, pile_result)
IF pile_result IF pile_result
result = pile_result result = pile_result
EXIT EXIT
ENDIF ENDIF
validate_pile(@pile_found2, pile_result) POINTER ptr -> pile_found2
validate_pile(ptr, pile_result)
IF pile_result IF pile_result
result = pile_result result = pile_result
EXIT EXIT
ENDIF ENDIF
validate_pile(@pile_found3, pile_result) POINTER ptr -> pile_found3
validate_pile(ptr, pile_result)
IF pile_result IF pile_result
result = pile_result result = pile_result
EXIT EXIT

20
cardgame.c65
View file

@ -12,12 +12,9 @@ ASM
*=$3000 *=$3000
ENDASM ENDASM
#INCLUDE <c64scr.c65>
#INCLUDE "utils.c65" #INCLUDE "utils.c65"
#INCLUDE "cardconsts.c65" #INCLUDE "cardconsts.c65"
#INCLUDE "pileconsts.c65"
#INCLUDE "piles.c65" #INCLUDE "piles.c65"
#INCLUDE "gamestate.c65"
#INCLUDE "random.c65" #INCLUDE "random.c65"
#INCLUDE "carddeck.c65" #INCLUDE "carddeck.c65"
#INCLUDE "cardrender.c65" #INCLUDE "cardrender.c65"
@ -25,9 +22,6 @@ ENDASM
#INCLUDE "joystick.c65" #INCLUDE "joystick.c65"
#INCLUDE "mouse.c65" #INCLUDE "mouse.c65"
#INCLUDE "pointer.c65" #INCLUDE "pointer.c65"
#INCLUDE "cardsprites.c65"
#INCLUDE "keyboard.c65"
#INCLUDE "gamemenu.c65"
//#INCLUDE "joysticktests.c65" //#INCLUDE "joysticktests.c65"
#IFDEF TEST_GAMES #IFDEF TEST_GAMES
#INCLUDE "testgames.c65" #INCLUDE "testgames.c65"
@ -42,9 +36,6 @@ FUNC main
sei sei
ENDASM ENDASM
lib_c64scr_blank() // screen later enabled just before gameloop starts.
// Save zero page for potential kernal operations later // Save zero page for potential kernal operations later
save_zeropage() save_zeropage()
@ -53,12 +44,13 @@ FUNC main
// Normal game: random shuffle and deal // Normal game: random shuffle and deal
// Seed RNG with multiple entropy sources for better randomness // Seed RNG with multiple entropy sources for better randomness
WORD timer_seed WORD timer_seed
BYTE raster @ $d012
BYTE extra_entropy BYTE extra_entropy
BYTE warmup BYTE warmup
// Combine CIA timer with raster position // Combine CIA timer with raster position
timer_seed = PEEKW $DC04 timer_seed = PEEKW $DC04
extra_entropy = vic_raster extra_entropy = raster
timer_seed = timer_seed ^ extra_entropy timer_seed = timer_seed ^ extra_entropy
rand_seed(timer_seed) rand_seed(timer_seed)
@ -84,7 +76,13 @@ FUNC main
set_vic_charmem(4) // $2000 set_vic_charmem(4) // $2000
set_vic_ecm() set_vic_ecm()
mem_copy(@card_charset, @card_charset_end, $2000)
WORD charset_ptr
WORD charset_end_ptr
POINTER charset_ptr -> card_charset
POINTER charset_end_ptr -> card_charset_end
mem_copy(charset_ptr, charset_end_ptr, $2000)
//mem_copy_range(charset_ptr, $2000, 512)
fill_mem($d800, $d800+999, color_white) // Fill color mem fill_mem($d800, $d800+999, color_white) // Fill color mem
POKE $d020 , color_white //color_grey POKE $d020 , color_white //color_grey

8
cardmoves.c65
View file

@ -224,7 +224,7 @@ FEND
// Waste to Tableau // Waste to Tableau
FUNC move_waste_to_tab({WORD tab_ptr} out:{BYTE success}) FUNC move_waste_to_tab({WORD tab_ptr} out:{BYTE success})
WORD waste_ptr WORD waste_ptr @ $8c
POINTER waste_ptr -> pile_waste POINTER waste_ptr -> pile_waste
BYTE card BYTE card
BYTE valid BYTE valid
@ -249,7 +249,7 @@ FEND
// Waste to Foundation // Waste to Foundation
FUNC move_waste_to_found({WORD found_ptr} out:{BYTE success}) FUNC move_waste_to_found({WORD found_ptr} out:{BYTE success})
WORD waste_ptr WORD waste_ptr @ $aa
POINTER waste_ptr -> pile_waste POINTER waste_ptr -> pile_waste
BYTE card BYTE card
BYTE valid BYTE valid
@ -273,7 +273,7 @@ FUNC move_waste_to_found({WORD found_ptr} out:{BYTE success})
FEND FEND
// Tableau to Foundation (top card only) // Tableau to Foundation (top card only)
FUNC move_tab_to_found({WORD tab_ptr} {WORD found_ptr} out:{BYTE success}) FUNC move_tab_to_found({WORD tab_ptr @ $8e} {WORD found_ptr} out:{BYTE success})
BYTE card BYTE card
BYTE valid BYTE valid
BYTE is_facedown BYTE is_facedown
@ -358,7 +358,7 @@ FUNC move_tab_to_tab({WORD src_ptr @ $b0} {WORD dst_ptr} {BYTE card_count} out:{
FEND FEND
// Foundation to Tableau (optional rule - some variants allow this) // Foundation to Tableau (optional rule - some variants allow this)
FUNC move_found_to_tab({WORD found_ptr} {WORD tab_ptr} out:{BYTE success}) FUNC move_found_to_tab({WORD found_ptr @ $84} {WORD tab_ptr} out:{BYTE success})
BYTE card BYTE card
BYTE valid BYTE valid

87
cardsprites.c65
View file

@ -709,33 +709,6 @@ ASM
!8 $00 !8 $00
ENDASM ENDASM
// Sprite 25: "RETURN FOR MENU" text (XORed with $ff)
LABEL sprite_text_return_menu
ASM
!8 $ee, $ea, $e9
!8 $a8, $4a, $ad
!8 $cc, $4a, $cb
!8 $a8, $4a, $a9
!8 $ae, $4e, $a9
!8 $00, $00, $00
!8 $03, $bb, $80
!8 $02, $2a, $80
!8 $03, $2b, $00
!8 $02, $2a, $80
!8 $02, $3a, $80
!8 $00, $00, $00
!8 $0a, $e9, $50
!8 $0e, $8d, $50
!8 $0a, $cb, $50
!8 $0a, $89, $50
!8 $0a, $e9, $70
!8 $00, $00, $00
!8 $00, $00, $00
!8 $00, $00, $00
!8 $00, $00, $00
!8 $fe
ENDASM
// ============================================================================ // ============================================================================
// CARD DISPLAY SPRITE MANAGEMENT // CARD DISPLAY SPRITE MANAGEMENT
// ============================================================================ // ============================================================================
@ -743,7 +716,7 @@ ENDASM
// Uses sprites 1-5 (sprite 0 is reserved for pointer) // Uses sprites 1-5 (sprite 0 is reserved for pointer)
// ============================================================================ // ============================================================================
// VIC-II Sprite registers for card display (sprites 1-5) and menu hint (sprite 6) // VIC-II Sprite registers for card display (sprites 1-5)
// Note: sprite_x_msb and sprite_enable already declared in pointer.c65 // Note: sprite_x_msb and sprite_enable already declared in pointer.c65
BYTE sprite_x1 @ $d002 // Sprite 1 X BYTE sprite_x1 @ $d002 // Sprite 1 X
BYTE sprite_y1 @ $d003 // Sprite 1 Y BYTE sprite_y1 @ $d003 // Sprite 1 Y
@ -755,20 +728,16 @@ BYTE sprite_x4 @ $d008 // Sprite 4 X
BYTE sprite_y4 @ $d009 // Sprite 4 Y BYTE sprite_y4 @ $d009 // Sprite 4 Y
BYTE sprite_x5 @ $d00a // Sprite 5 X BYTE sprite_x5 @ $d00a // Sprite 5 X
BYTE sprite_y5 @ $d00b // Sprite 5 Y BYTE sprite_y5 @ $d00b // Sprite 5 Y
BYTE sprite_x6 @ $d00c // Sprite 6 X (menu hint)
BYTE sprite_y6 @ $d00d // Sprite 6 Y (menu hint)
BYTE sprite_color1 @ $d028 // Sprite 1 color BYTE sprite_color1 @ $d028 // Sprite 1 color
BYTE sprite_color2 @ $d029 // Sprite 2 color BYTE sprite_color2 @ $d029 // Sprite 2 color
BYTE sprite_color3 @ $d02a // Sprite 3 color BYTE sprite_color3 @ $d02a // Sprite 3 color
BYTE sprite_color4 @ $d02b // Sprite 4 color BYTE sprite_color4 @ $d02b // Sprite 4 color
BYTE sprite_color5 @ $d02c // Sprite 5 color BYTE sprite_color5 @ $d02c // Sprite 5 color
BYTE sprite_color6 @ $d02d // Sprite 6 color (menu hint)
BYTE sprite_pointer1 @ $07f9 // Sprite 1 pointer BYTE sprite_pointer1 @ $07f9 // Sprite 1 pointer
BYTE sprite_pointer2 @ $07fa // Sprite 2 pointer BYTE sprite_pointer2 @ $07fa // Sprite 2 pointer
BYTE sprite_pointer3 @ $07fb // Sprite 3 pointer BYTE sprite_pointer3 @ $07fb // Sprite 3 pointer
BYTE sprite_pointer4 @ $07fc // Sprite 4 pointer BYTE sprite_pointer4 @ $07fc // Sprite 4 pointer
BYTE sprite_pointer5 @ $07fd // Sprite 5 pointer BYTE sprite_pointer5 @ $07fd // Sprite 5 pointer
BYTE sprite_pointer6 @ $07fe // Sprite 6 pointer (menu hint)
// Card display sprite positions (upper right corner) // Card display sprite positions (upper right corner)
// Screen starts at (24,50), size 320x200 // Screen starts at (24,50), size 320x200
@ -919,64 +888,12 @@ FEND
FUNC card_display_hide FUNC card_display_hide
BYTE temp BYTE temp
// Disable sprites 1-5, keep sprite 0 (pointer) and sprite 6 (menu hint) // Disable sprites 1-5, keep sprite 0 (pointer)
temp = sprite_enable temp = sprite_enable
temp = temp & %11000001 temp = temp & %11000001
sprite_enable = temp sprite_enable = temp
FEND FEND
// ============================================================================
// MENU HINT SPRITE MANAGEMENT
// ============================================================================
// "RETURN FOR MENU" text displayed at bottom of screen during gameplay
// Uses sprite 6
// ============================================================================
// Menu hint sprite position (bottom right of screen)
WORD CONST MENU_HINT_X = 320 // Right edge (beyond 255, needs X MSB)
BYTE CONST MENU_HINT_Y = 230 // Bottom of screen (50 + 200 - 21 sprite height)
// Sprite block for "RETURN FOR MENU" text (sprite 25)
BYTE CONST SPRITE_BLOCK_MENU_HINT = 162 // 137 + 25 = 162
// ============================================================================
// FUNC menu_hint_show
// Show "RETURN FOR MENU" sprite at bottom of screen
// Call this when entering gameplay
// ============================================================================
FUNC menu_hint_show
// Set sprite 6 pointer to "RETURN FOR MENU" sprite
sprite_pointer6 = SPRITE_BLOCK_MENU_HINT
// Position at bottom right
sprite_x6 = MENU_HINT_X
sprite_y6 = MENU_HINT_Y
// Set X MSB for sprite 6 (bit 6) if X > 255
IF MENU_HINT_X > 255
sprite_x_msb = sprite_x_msb | %01000000
ENDIF
// Set color to blue (6)
sprite_color6 = 6
// Enable sprite 6
sprite_enable = sprite_enable | %01000000
FEND
// ============================================================================
// FUNC menu_hint_hide
// Hide "RETURN FOR MENU" sprite
// Call this when entering menu
// ============================================================================
FUNC menu_hint_hide
// Disable sprite 6
sprite_enable = sprite_enable & %10111111
FEND
LABEL __skip_lib_cardsprites LABEL __skip_lib_cardsprites
#IFEND #IFEND

149
charpad_rank_sprites/charpad_rank_sprites - Projectv2.asm
View file

@ -1,149 +0,0 @@
; Generated by SpritePad C64 - Subchrist Software, 2003-2025.
; Assemble with 64TASS or similar.
; Colour values...
colr_vic_bg0 = 0
colr_vic_sprite_mc1 = 0
colr_vic_sprite_mc2 = 1
; Quantities and dimensions...
sprite_count = 16
; Data block addresses (dummy values) and sizes...
addr_spriteset_data = $1000
size_spriteset_data = $400 ; (1024 bytes)
addr_spriteset_attrib_data = $1000
size_spriteset_attrib_data = $10 ; (16 bytes)
; * INSERT EXAMPLE PROGRAM HERE! * (or just include this file in your project).
; SpriteSet Data...
; 16 images, 64 bytes per image, total size is 1024 ($400) bytes.
* = addr_spriteset_data
spriteset_data
sprite_image_0
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ef,$ff,$ff
.byte $ef,$ff,$ff,$c7,$ff,$ff,$c7,$ff,$ff,$93,$ff,$ff,$93,$ff,$ff,$39
.byte $ff,$ff,$01,$ff,$fe,$00,$ff,$fe,$7c,$ff,$fc,$38,$7f,$fc,$38,$7f
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01
sprite_image_1
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$83,$ff,$ff
.byte $01,$ff,$ff,$39,$ff,$ff,$f9,$ff,$ff,$f1,$ff,$ff,$e3,$ff,$ff,$c7
.byte $ff,$ff,$8f,$ff,$ff,$19,$ff,$ff,$39,$ff,$ff,$01,$ff,$ff,$01,$ff
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01
sprite_image_2
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01,$ff,$ff
.byte $01,$ff,$ff,$33,$ff,$ff,$e7,$ff,$ff,$cf,$ff,$ff,$83,$ff,$ff,$81
.byte $ff,$ff,$f9,$ff,$ff,$f9,$ff,$ff,$39,$ff,$ff,$01,$ff,$ff,$83,$ff
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01
sprite_image_3
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$f3,$ff,$ff
.byte $e3,$ff,$ff,$c3,$ff,$ff,$83,$ff,$ff,$13,$ff,$fe,$33,$ff,$fe,$00
.byte $ff,$fe,$00,$ff,$ff,$f3,$ff,$ff,$f3,$ff,$ff,$e1,$ff,$ff,$e1,$ff
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01
sprite_image_4
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01,$ff,$ff
.byte $01,$ff,$ff,$3f,$ff,$ff,$3f,$ff,$ff,$03,$ff,$ff,$01,$ff,$ff,$f9
.byte $ff,$ff,$f9,$ff,$ff,$39,$ff,$ff,$39,$ff,$ff,$01,$ff,$ff,$83,$ff
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01
sprite_image_5
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$c3,$ff,$ff
.byte $83,$ff,$ff,$1f,$ff,$ff,$3f,$ff,$ff,$03,$ff,$ff,$01,$ff,$ff,$39
.byte $ff,$ff,$39,$ff,$ff,$39,$ff,$ff,$39,$ff,$ff,$01,$ff,$ff,$83,$ff
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01
sprite_image_6
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01,$ff,$ff
.byte $01,$ff,$ff,$39,$ff,$ff,$f3,$ff,$ff,$f3,$ff,$ff,$e7,$ff,$ff,$e7
.byte $ff,$ff,$e7,$ff,$ff,$cf,$ff,$ff,$cf,$ff,$ff,$cf,$ff,$ff,$cf,$ff
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01
sprite_image_7
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$83,$ff,$ff
.byte $01,$ff,$ff,$39,$ff,$ff,$39,$ff,$ff,$39,$ff,$ff,$83,$ff,$ff,$01
.byte $ff,$ff,$39,$ff,$ff,$39,$ff,$ff,$39,$ff,$ff,$01,$ff,$ff,$83,$ff
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01
sprite_image_8
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$83,$ff,$ff
.byte $01,$ff,$ff,$39,$ff,$ff,$39,$ff,$ff,$39,$ff,$ff,$39,$ff,$ff,$01
.byte $ff,$ff,$81,$ff,$ff,$f9,$ff,$ff,$f1,$ff,$ff,$83,$ff,$ff,$87,$ff
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01
sprite_image_9
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$fe,$61,$ff,$fe
.byte $40,$ff,$fe,$4c,$ff,$fe,$4c,$ff,$fe,$4c,$ff,$fe,$4c,$ff,$fe,$4c
.byte $ff,$fe,$4c,$ff,$fe,$4c,$ff,$fe,$4c,$ff,$fe,$40,$ff,$fe,$61,$ff
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01
sprite_image_10
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$e1,$ff,$ff
.byte $e1,$ff,$ff,$f3,$ff,$ff,$f3,$ff,$ff,$f3,$ff,$ff,$f3,$ff,$ff,$f3
.byte $ff,$ff,$f3,$ff,$ff,$33,$ff,$ff,$33,$ff,$ff,$03,$ff,$ff,$87,$ff
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01
sprite_image_11
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$83,$ff,$ff
.byte $01,$ff,$ff,$39,$ff,$ff,$39,$ff,$ff,$39,$ff,$ff,$39,$ff,$ff,$39
.byte $ff,$ff,$39,$ff,$ff,$39,$ff,$ff,$39,$ff,$ff,$01,$ff,$ff,$83,$ff
.byte $ff,$f1,$ff,$ff,$f9,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01
sprite_image_12
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$fe,$10,$ff,$fe
.byte $10,$ff,$ff,$33,$ff,$ff,$27,$ff,$ff,$0f,$ff,$ff,$1f,$ff,$ff,$0f
.byte $ff,$ff,$27,$ff,$ff,$33,$ff,$ff,$39,$ff,$fe,$10,$ff,$fe,$10,$ff
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01
sprite_image_13
.byte $51,$15,$11,$55,$75,$d5,$11,$73,$b5,$55,$75,$75,$55,$15,$11,$ff
.byte $ff,$ff,$f1,$b3,$11,$f7,$b5,$75,$f1,$b5,$31,$fd,$b5,$73,$f1,$b3
.byte $15,$ff,$ff,$ff,$ff,$11,$11,$ff,$d5,$d7,$ff,$15,$11,$ff,$75,$75
.byte $ff,$11,$11,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01
sprite_image_14
.byte $b3,$ff,$ff,$b5,$ff,$ff,$b5,$ff,$ff,$b5,$ff,$ff,$b3,$ff,$ff,$ff
.byte $ff,$ff,$1f,$ff,$ff,$7f,$ff,$ff,$1f,$ff,$ff,$df,$ff,$ff,$1f,$ff
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff
.byte $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01
sprite_image_15
.byte $11,$15,$16,$57,$b5,$52,$33,$b5,$34,$57,$b5,$56,$51,$b1,$56,$ff
.byte $ff,$ff,$fc,$44,$7f,$fd,$d5,$7f,$fc,$d4,$ff,$fd,$d5,$7f,$fd,$c5
.byte $7f,$ff,$ff,$ff,$f5,$16,$af,$f1,$72,$af,$f5,$34,$af,$f5,$76,$af
.byte $f5,$16,$8f,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$01
; SpriteSet Attribute Data...
; 16 attributes, 1 per image, 8 bits each, total size is 16 ($10) bytes.
; nb. Upper nybbles = MYXV, lower nybbles = colour (0-15).
* = addr_spriteset_attrib_data
spriteset_attrib_data
.byte $01,$01,$01,$01,$01,$01,$01,$01,$01,$01,$01,$01,$01,$01,$01,$01

BIN
charpad_rank_sprites/charpad_rank_sprites.spd
View file

Binary file not shown.

157
gameloop.c65
View file

@ -3,16 +3,12 @@
#DEFINE __lib_gameloop 1 #DEFINE __lib_gameloop 1
#INCLUDE "cardconsts.c65" #INCLUDE "cardconsts.c65"
#INCLUDE "pileconsts.c65"
#INCLUDE "piles.c65" #INCLUDE "piles.c65"
#INCLUDE "gamestate.c65"
#INCLUDE "cardmoves.c65" #INCLUDE "cardmoves.c65"
#INCLUDE "cardrender.c65" #INCLUDE "cardrender.c65"
#INCLUDE "mouse.c65" #INCLUDE "mouse.c65"
#INCLUDE "pointer.c65" #INCLUDE "pointer.c65"
#INCLUDE "cardsprites.c65" #INCLUDE "cardsprites.c65"
#INCLUDE "keyboard.c65"
#INCLUDE "gamemenu.c65"
GOTO __skip_lib_gameloop GOTO __skip_lib_gameloop
@ -28,8 +24,27 @@ GOTO __skip_lib_gameloop
// game_loop() // Never returns // game_loop() // Never returns
// ============================================================================ // ============================================================================
// Pile identifiers now in pileconsts.c65 // Pile identifiers
// Game state variables now in gamestate.c65 BYTE CONST PILE_ID_NONE = 0
BYTE CONST PILE_ID_STOCK = 1
BYTE CONST PILE_ID_WASTE = 2
BYTE CONST PILE_ID_FOUND0 = 3
BYTE CONST PILE_ID_FOUND1 = 4
BYTE CONST PILE_ID_FOUND2 = 5
BYTE CONST PILE_ID_FOUND3 = 6
BYTE CONST PILE_ID_TAB0 = 7
BYTE CONST PILE_ID_TAB1 = 8
BYTE CONST PILE_ID_TAB2 = 9
BYTE CONST PILE_ID_TAB3 = 10
BYTE CONST PILE_ID_TAB4 = 11
BYTE CONST PILE_ID_TAB5 = 12
BYTE CONST PILE_ID_TAB6 = 13
// Game state variables
BYTE game_selected_pile // Currently selected pile ID (PILE_ID_NONE if none)
BYTE game_selected_card_count // Number of cards selected from tableau (1+ for tableau stacks)
BYTE game_prev_button_state // Previous mouse button state for click detection
BYTE game_draw_mode = 1 // Stock draw mode: 1 or 3 cards per draw
// Layout constants (in character coordinates) // Layout constants (in character coordinates)
BYTE CONST LAYOUT_STOCK_COL = 0 BYTE CONST LAYOUT_STOCK_COL = 0
@ -403,16 +418,6 @@ FUNC get_selected_card_info(out:{BYTE card_id} out:{BYTE valid})
EXIT EXIT
ENDIF ENDIF
// Foundation: top card
IF game_selected_pile >= PILE_ID_FOUND0
IF game_selected_pile <= PILE_ID_FOUND3
card = PEEK pile_ptr[pile_count]
card_id = card & CARD_MASK
valid = 1
EXIT
ENDIF
ENDIF
// Tableau: bottom card of selection (the clicked card) // Tableau: bottom card of selection (the clicked card)
IF game_selected_pile >= PILE_ID_TAB0 IF game_selected_pile >= PILE_ID_TAB0
IF game_selected_pile <= PILE_ID_TAB6 IF game_selected_pile <= PILE_ID_TAB6
@ -671,7 +676,7 @@ FUNC handle_click_on_pile({BYTE clicked_pile} {BYTE click_row})
IF game_selected_pile == PILE_ID_NONE IF game_selected_pile == PILE_ID_NONE
#PRAGMA _P_USE_LONG_JUMP 0 #PRAGMA _P_USE_LONG_JUMP 0
// Can only select waste, tableau, or foundation (if enabled) // Can only select waste or tableau
IF clicked_pile == PILE_ID_WASTE IF clicked_pile == PILE_ID_WASTE
game_selected_pile = PILE_ID_WASTE game_selected_pile = PILE_ID_WASTE
game_selected_card_count = 1 game_selected_card_count = 1
@ -712,21 +717,7 @@ FUNC handle_click_on_pile({BYTE clicked_pile} {BYTE click_row})
IF game_selected_card_count > 0 IF game_selected_card_count > 0
game_selected_pile = clicked_pile game_selected_pile = clicked_pile
ENDIF ENDIF
ENDIF EXIT
// Foundation selection (if enabled)
IF game_allow_found_to_tab
IF is_foundation
// Check if foundation has cards before allowing selection
WORD found_ptr @ $e8
pile_id_to_pointer(clicked_pile, found_ptr)
BYTE found_count
found_count = PEEK found_ptr[0]
IF found_count > 0
game_selected_pile = clicked_pile
game_selected_card_count = 1
ENDIF
ENDIF
ENDIF ENDIF
EXIT EXIT
@ -795,54 +786,11 @@ FUNC handle_click_on_pile({BYTE clicked_pile} {BYTE click_row})
ENDIF ENDIF
ENDIF ENDIF
// Foundation to Tableau (if enabled)
IF game_allow_found_to_tab
BYTE selected_is_foundation
selected_is_foundation = 0
IF game_selected_pile >= PILE_ID_FOUND0
IF game_selected_pile <= PILE_ID_FOUND3
selected_is_foundation = 1
ENDIF
ENDIF
IF selected_is_foundation
IF is_tableau
move_found_to_tab(src_ptr, dst_ptr, success)
IF success
render_pile_by_id(game_selected_pile)
render_pile_by_id(clicked_pile)
ENDIF
game_selected_pile = PILE_ID_NONE
EXIT
ENDIF
ENDIF
ENDIF
// Click on same pile or invalid destination: deselect // Click on same pile or invalid destination: deselect
game_selected_pile = PILE_ID_NONE game_selected_pile = PILE_ID_NONE
FEND FEND
// ============================================================================
// FUNC restart_game
// Restart the game with new shuffle and deal
// ============================================================================
FUNC restart_game
// Clear all piles (waste, foundations, tableaus)
clear_all_piles()
// Re-initialize deck and shuffle (RNG continues from current state)
stock_init()
stock_shuffle()
deal_tableaus()
// Reset game state
game_selected_pile = PILE_ID_NONE
game_selected_card_count = 0
game_prev_button_state = 0
FEND
// ============================================================================ // ============================================================================
// FUNC render_all_piles_initial // FUNC render_all_piles_initial
// Render all piles for initial game display // Render all piles for initial game display
@ -871,19 +819,22 @@ FUNC game_loop
BYTE button_state BYTE button_state
BYTE clicked BYTE clicked
BYTE is_won BYTE is_won
WORD src_ptr @ $8a
WORD src_end_ptr
WORD dst_ptr
// Copy sprite data to $2200 (sprite block 136) // Copy sprite data to $2200 (sprite block 136)
// $2000-$21FF reserved for charset // $2000-$21FF reserved for charset
mem_copy(@pointer_sprite_data, @pointer_sprite_data_end, $2200) POINTER src_ptr -> pointer_sprite_data
POINTER src_end_ptr -> pointer_sprite_data_end
POINTER dst_ptr -> $2200
mem_copy(src_ptr, src_end_ptr, dst_ptr)
// Copy card sprite data to $2240 (sprite blocks 137+) // Copy card sprite data to $2240 (sprite blocks 137+)
// 26 sprites × 64 bytes = 1664 bytes (includes "RETURN FOR MENU" sprite) // 25 sprites × 64 bytes = 1600 bytes
mem_copy_range(@sprite_rank_ace, $2240, 64*26) POINTER src_ptr -> sprite_rank_ace
POINTER dst_ptr -> $2240
mem_copy_range(src_ptr, dst_ptr, 64*25)
// Outer loop for restart handling
WHILE 1
// Initialize mouse and pointer // Initialize mouse and pointer
mouse_init() mouse_init()
@ -895,52 +846,28 @@ FUNC game_loop
// Initialize card display sprites // Initialize card display sprites
card_display_init() card_display_init()
// Show menu hint sprite #IFDEF TEST_GAMES
menu_hint_show()
#IFDEF TEST_GAMES
// Test game options (comment/uncomment one): // Test game options (comment/uncomment one):
//setup_test_game_tall_tableau() // K->3 in tab0, red 2 in waste //setup_test_game_tall_tableau() // K->3 in tab0, red 2 in waste
//setup_test_game_one_move_to_win() // 1 move from victory //setup_test_game_one_move_to_win() // 1 move from victory
setup_test_game_overflow() // K->A in tab3 to test screen overflow setup_test_game_overflow() // K->A in tab3 to test screen overflow
#IFEND #IFEND
BYTE menu_key
BYTE menu_action
// Initial render // Initial render
fill_mem($0400, $0400+999, 0) // Clear screen fill_mem($0400, $0400+999, 0) // Clear screen
render_all_piles_initial() render_all_piles_initial()
lib_c64scr_show() BYTE raster @ $d012
// Inner game loop
WHILE 1 WHILE 1
// Wait for raster to avoid tearing // Wait for raster to avoid tearing
WHILE vic_raster != 250 WHILE raster != 250
WEND WEND
// Read mouse input FIRST (before keyboard scan) // Read mouse input (Port 1)
// Per Commodore 1351 manual: keyboard scan lines affect POT registers
// so mouse must be read before keyboard to avoid interference
mouse_read() mouse_read()
pointer_update_mouse(mouse_delta_x, mouse_delta_y) pointer_update_mouse(mouse_delta_x, mouse_delta_y)
// Check for menu key (Return or Left Arrow) AFTER mouse
key_scan(menu_key)
IF menu_key == KEY_RETURN
menu_show(menu_action)
IF menu_action == MENU_ACTION_RESTART
// Restart requested - break out to restart
BREAK
ENDIF
// Clear screen and re-render after resume
fill_mem($0400, $0400+999, 0)
render_all_piles_initial()
ENDIF
// Read joystick input (Port 2) // Read joystick input (Port 2)
joy_read_port2() joy_read_port2()
pointer_update_joystick(joy_state) pointer_update_joystick(joy_state)
@ -1030,11 +957,7 @@ FUNC game_loop
// Small delay to avoid reading mouse too fast // Small delay to avoid reading mouse too fast
// Could sync to raster if needed for smoother experience // Could sync to raster if needed for smoother experience
WEND // End inner game loop WEND
// If we get here, restart was requested
restart_game()
WEND // End outer restart loop
FEND FEND

367
gamemenu.c65
View file

@ -1,367 +0,0 @@
#IFNDEF __lib_gamemenu
#DEFINE __lib_gamemenu 1
#INCLUDE "pileconsts.c65"
#INCLUDE "keyboard.c65"
#INCLUDE "utils.c65"
GOTO __skip_lib_gamemenu
// ============================================================================
// GAME MENU SYSTEM
// ============================================================================
// Pause game and display menu for configuration and restart
//
// Usage:
// #INCLUDE "gamemenu.c65"
// BYTE action
// menu_show(action) // Returns MENU_ACTION_* constant
// ============================================================================
// Menu action constants
BYTE CONST MENU_ACTION_RESUME = 0
BYTE CONST MENU_ACTION_RESTART = 1
// Screen backup buffer (1000 bytes for screen, 1000 for color)
// Located at $C000-$C7CF (2000 bytes)
WORD CONST SCREEN_BACKUP = $C000
WORD CONST COLOR_BACKUP = $C3E8
// ============================================================================
// FUNC menu_save_screen
// Save current screen and color memory to backup buffer
// ============================================================================
FUNC menu_save_screen
mem_copy_range($0400, SCREEN_BACKUP, 1000)
mem_copy_range($D800, COLOR_BACKUP, 1000)
FEND
// ============================================================================
// FUNC menu_restore_screen
// Restore screen and color memory from backup buffer
// ============================================================================
FUNC menu_restore_screen
mem_copy_range(SCREEN_BACKUP, $0400, 1000)
mem_copy_range(COLOR_BACKUP, $D800, 1000)
FEND
// ============================================================================
// FUNC menu_switch_to_rom_charset
// Switch VIC-II to use ROM charset at $1800 (uppercase/lowercase)
// ============================================================================
FUNC menu_switch_to_rom_charset
set_vic_charmem(3) // $1800 / $0800 = 3
FEND
// ============================================================================
// FUNC menu_switch_to_card_charset
// Switch VIC-II back to custom card charset at $2000
// ============================================================================
FUNC menu_switch_to_card_charset
set_vic_charmem(4) // $2000 / $0800 = 4
FEND
// ============================================================================
// FUNC menu_print_string
// Print a string at a specific screen position
// ============================================================================
FUNC menu_print_string({WORD screen_pos @ $e0} {WORD str_ptr @ $e2})
BYTE char
BYTE str_offset
str_offset = 0
char = PEEK str_ptr[str_offset]
WHILE char != 0
POKE screen_pos[0] , char
screen_pos++
str_offset++
char = PEEK str_ptr[str_offset]
WEND
FEND
// ============================================================================
// FUNC menu_update_draw_mode
// Update only the draw mode display (row 6) - no screen clear
// ============================================================================
FUNC menu_update_draw_mode
WORD screen_pos @ $e0
// Clear the value area (cols 19-23)
screen_pos = 6*40+$0400+19
POKE screen_pos[0] , 32 // space
POKE screen_pos[1] , 32
POKE screen_pos[2] , 32
POKE screen_pos[3] , 32
POKE screen_pos[4] , 32
// Draw mode value - both values at same position (col 19)
// Show both [1] [3] with brackets around the selected one
screen_pos = 6*40+$0400+19
IF game_draw_mode == 1
POKE screen_pos[0] , 27 // '[' screen code
POKE screen_pos[1] , 49 // '1'
POKE screen_pos[2] , 29 // ']' screen code
POKE screen_pos[3] , 32 // space
POKE screen_pos[4] , 51 // '3'
ELSE
POKE screen_pos[0] , 49 // '1'
POKE screen_pos[1] , 32 // space
POKE screen_pos[2] , 27 // '[' screen code
POKE screen_pos[3] , 51 // '3'
POKE screen_pos[4] , 29 // ']' screen code
ENDIF
FEND
// ============================================================================
// FUNC menu_update_found_to_tab
// Update only the foundation to tableau display (row 9) - no screen clear
// ============================================================================
FUNC menu_update_found_to_tab
WORD screen_pos @ $e4
WORD str_ptr @ $e6
// Clear the value area (cols 28-30)
screen_pos = 9*40+$0400+28
POKE screen_pos[0] , 32 // space
POKE screen_pos[1] , 32
POKE screen_pos[2] , 32
// Foundation to Tableau value
screen_pos = 9*40+$0400+28
IF game_allow_found_to_tab == 0
POINTER str_ptr -> str_off
ELSE
POINTER str_ptr -> str_on
ENDIF
menu_print_string(screen_pos, str_ptr)
FEND
// ============================================================================
// FUNC menu_render
// Render the full menu screen with current settings
// ============================================================================
FUNC menu_render
// Clear screen
fill_mem($0400, $0400+999, 32) // 32 = space character
fill_mem($D800, $D800+999, 14) // Light blue text
// Title (centered at row 2)
menu_print_string(2*40+$0400+8, @str_title)
// Draw mode option (row 6)
menu_print_string(6*40+$0400+4, @str_draw_mode)
// Draw mode value and indicators
menu_update_draw_mode()
// Foundation to Tableau option (row 9)
menu_print_string(9*40+$0400+4, @str_found_to_tab)
// Foundation to Tableau value
menu_update_found_to_tab()
// Instructions for resume/restart (row 12+)
menu_print_string(12*40+$0400+4, @str_inst_f7)
menu_print_string(15*40+$0400+4, @str_inst_runstop)
// Controls info (row 20)
menu_print_string(20*40+$0400+2, @str_controls)
// License (row 23)
menu_print_string(23*40+$0400+1, @str_license)
// Set border color to menu color (purple)
POKE $d020 , 4
FEND
// ============================================================================
// FUNC menu_show
// Display menu and handle input, return action to take
// ============================================================================
FUNC menu_show(out:{BYTE action})
lib_c64scr_blank()
BYTE key
BYTE prev_key
action = MENU_ACTION_RESUME
prev_key = KEY_NONE
// Clear any card selection before entering menu
game_selected_pile = PILE_ID_NONE
game_selected_card_count = 0
// Hide menu hint sprite
menu_hint_hide()
// Save current screen state
menu_save_screen()
// Disable all sprites
POKE $D015 , 0 // Sprite enable register - disable all
// Switch to ROM charset and normal character mode
menu_switch_to_rom_charset()
clear_vic_ecm()
// Render menu
menu_render()
lib_c64scr_show()
// Wait for key release first (debounce)
key_scan(key)
WHILE key != KEY_NONE
key_scan(key)
WEND
// Menu loop
WHILE 1
key_scan(key)
// Only process on key press (transition from NONE to key)
IF key != KEY_NONE
IF prev_key == KEY_NONE
SWITCH key
CASE KEY_F1
// Toggle draw mode
IF game_draw_mode == 1
game_draw_mode = 3
ELSE
game_draw_mode = 1
ENDIF
menu_update_draw_mode()
CASE KEY_F3
// Toggle foundation to tableau
IF game_allow_found_to_tab == 0
game_allow_found_to_tab = 1
ELSE
game_allow_found_to_tab = 0
ENDIF
menu_update_found_to_tab()
CASE KEY_F7
// Resume game
action = MENU_ACTION_RESUME
BREAK
CASE KEY_RETURN
// Resume game
action = MENU_ACTION_RESUME
BREAK
CASE KEY_RUNSTOP
// Restart game
action = MENU_ACTION_RESTART
BREAK
ENDSWITCH
ENDIF
ENDIF
prev_key = key
WEND
// Wait for key release before returning
WHILE key != KEY_NONE
key_scan(key)
WEND
lib_c64scr_blank()
// Restore screen or clear for restart
IF action == MENU_ACTION_RESUME
menu_restore_screen()
ELSE
// Restarting - clear screen and reset colors
fill_mem($0400, $0400+999, 0)
fill_mem($d800, $d800+999, 1) // White color
ENDIF
// Switch back to card charset and ECM mode
menu_switch_to_card_charset()
set_vic_ecm()
// Re-enable pointer sprite (game loop will handle card display sprites)
pointer_enable(1)
// Show menu hint sprite again
menu_hint_show()
// Restore border color
POKE $d020 , 1 // White
lib_c64scr_show()
FEND
// Menu strings (null-terminated) - Using !scr for screen codes
LABEL str_title
ASM
!scr "Klondike Solitaire Menu", 0
ENDASM
LABEL str_draw_mode
ASM
!scr "F1: Draw mode:", 0
ENDASM
LABEL str_found_to_tab
ASM
!scr "F3: Foundation>Tableau:", 0
ENDASM
LABEL str_on
ASM
!scr "On", 0
ENDASM
LABEL str_off
ASM
!scr "Off", 0
ENDASM
LABEL str_inst_f1
ASM
!scr "F1: Toggle draw mode (1/3)", 0
ENDASM
LABEL str_inst_f3
ASM
!scr "F3: Toggle foundation moves", 0
ENDASM
LABEL str_inst_f7
ASM
!scr "F7: Resume game", 0
ENDASM
LABEL str_inst_runstop
ASM
!scr "Run/Stop: Restart game", 0
ENDASM
LABEL str_controls
ASM
!scr "1351 Mouse Port 1 / Joystick Port 2", 0
ENDASM
LABEL str_license
ASM
!scr "by Hackz0id/Siders 2026 (GNU GPL v2.0)", 0
ENDASM
LABEL __skip_lib_gamemenu
#IFEND

25
gamestate.c65
View file

@ -1,25 +0,0 @@
#IFNDEF __lib_gamestate
#DEFINE __lib_gamestate 1
GOTO __skip_lib_gamestate
// ============================================================================
// GAME STATE VARIABLES
// ============================================================================
// Global game state that needs to be accessible from multiple modules
// ============================================================================
// Game configuration
BYTE game_draw_mode = 1 // Stock draw mode: 1 or 3 cards per draw
BYTE game_allow_found_to_tab = 0 // Allow foundation to tableau moves: 0=disallow, 1=allow
// Game interaction state
BYTE game_selected_pile // Currently selected pile ID (PILE_ID_NONE if none)
BYTE game_selected_card_count // Number of cards selected from tableau (1+ for tableau stacks)
BYTE game_prev_button_state // Previous mouse button state for click detection
LABEL __skip_lib_gamestate
#IFEND

190
keyboard.c65
View file

@ -1,190 +0,0 @@
#IFNDEF __lib_keyboard
#DEFINE __lib_keyboard 1
GOTO __skip_lib_keyboard
// ============================================================================
// KEYBOARD INPUT DRIVER FOR COMMODORE 64
// ============================================================================
// Direct CIA keyboard matrix reading (no IRQ required)
// Uses non-interfering keyboard scan technique to avoid conflicts with
// joysticks on ports 1 and 2.
//
// Based on code from:
// https://codebase64.c64.org/doku.php?id=base:scanning_the_keyboard_without_joysticks_interfere
//
// This method converts keycodes to row/column values and performs double-check
// scanning to ensure joystick inputs don't interfere with keyboard detection.
//
// Usage:
// #INCLUDE "keyboard.c65"
// BYTE key
// key_scan(key)
// SWITCH key
// CASE KEY_F1
// // handle F1
// CASE KEY_F3
// // handle F3
// ENDSWITCH
// ============================================================================
// CIA Port addresses
WORD CONST CIA_PORTA = $DC00 // Port A - ROW selection (write)
WORD CONST CIA_PORTB = $DC01 // Port B - COLUMN reading (read)
WORD CONST CIA_DDRA = $DC02 // Port A Data Direction Register
WORD CONST CIA_DDRB = $DC03 // Port B Data Direction Register
// Key constants (returned by key_scan)
BYTE CONST KEY_NONE = 0
BYTE CONST KEY_F1 = 1
BYTE CONST KEY_F3 = 2
BYTE CONST KEY_F7 = 3
BYTE CONST KEY_RUNSTOP = 4
BYTE CONST KEY_RETURN = 5
// C64 Keycode constants (for internal use)
// Based on: https://www.c64-wiki.com/wiki/Keyboard
BYTE CONST KEYCODE_RETURN = $01
BYTE CONST KEYCODE_F7F8 = $03
BYTE CONST KEYCODE_F1F2 = $04
BYTE CONST KEYCODE_F3F4 = $05
BYTE CONST KEYCODE_RUNSTOP = $3F
// Row and column lookup tables for keyboard scanning
LABEL key_row_table
ASM
!8 $FE, $FD, $FB, $F7, $EF, $DF, $BF, $7F
ENDASM
LABEL key_column_table
ASM
!8 $01, $02, $04, $08, $10, $20, $40, $80
ENDASM
// Key history for debouncing (one byte per tracked key)
BYTE key_history_f1
BYTE key_history_f3
BYTE key_history_f7
BYTE key_history_return
BYTE key_history_runstop
// ============================================================================
// FUNC key_check_raw
// Low-level keyboard check for a specific keycode
// Uses non-interfering scan method with double-check to avoid joystick conflicts
// Returns: result = 1 if pressed, 0 if not pressed
// This comes from here:
// https://codebase64.c64.org/doku.php?id=base:scanning_the_keyboard_without_joysticks_interfere
// ============================================================================
FUNC key_check_raw({BYTE keycode} io:{BYTE histv} out:{BYTE result})
ASM
lda |keycode|
pha
lsr
lsr
lsr
tay
lda key_row_table,y
sta $dc00
pla
and #$07
tay
lda $dc01
and key_column_table,y
bne _nokey
lda #$ff ; key is checked 2nd time, to be sure
sta $dc00 ; joy #1 and #2 are not interfering
lda $dc01
and key_column_table,y
beq _nokey
cmp |histv| ; history value?
bne _newkey
clc ; case #3, key is held down. keep history & set C=0
bcc _backy
_nokey
asl ; case #1, no keypress, update history value 2x & set C=0
clc
!byte $24 ; BIT zero page - skips next 2-byte instruction
_newkey
sec ; case #2, key pressed&released. update history & set C=1
sta |histv|
_backy
lda #$ff
sta $dc00 ; set default value
lda #$7f
sta $dc01 ; set default value
; Convert carry flag to result: C=1 -> pressed (1), C=0 -> not pressed (0)
lda #0
rol ; shift carry into bit 0
sta |result|
ENDASM
FEND
// ============================================================================
// FUNC key_scan
// Scan keyboard and return which key is pressed
// Returns KEY_* constant (KEY_NONE if no relevant key pressed)
// Uses non-interfering keyboard scan to avoid joystick conflicts
// ============================================================================
FUNC key_scan(out:{BYTE key_pressed})
BYTE check_result
key_pressed = KEY_NONE
// Set up DDR: Port A = output (rows), Port B = input (columns)
ASM
lda #$ff
sta $dc02 // CIA_DDRA
lda #$00
sta $dc03 // CIA_DDRB
ENDASM
// Check F1
key_check_raw(KEYCODE_F1F2, key_history_f1, check_result)
IF check_result > 0
key_pressed = KEY_F1
ENDIF
// Check F3
IF key_pressed == KEY_NONE
key_check_raw(KEYCODE_F3F4, key_history_f3, check_result)
IF check_result > 0
key_pressed = KEY_F3
ENDIF
ENDIF
// Check F7
IF key_pressed == KEY_NONE
key_check_raw(KEYCODE_F7F8, key_history_f7, check_result)
IF check_result > 0
key_pressed = KEY_F7
ENDIF
ENDIF
// Check RUN/STOP
IF key_pressed == KEY_NONE
key_check_raw(KEYCODE_RUNSTOP, key_history_runstop, check_result)
IF check_result > 0
key_pressed = KEY_RUNSTOP
ENDIF
ENDIF
// Check RETURN
IF key_pressed == KEY_NONE
key_check_raw(KEYCODE_RETURN, key_history_return, check_result)
IF check_result > 0
key_pressed = KEY_RETURN
ENDIF
ENDIF
FEND
LABEL __skip_lib_keyboard
#IFEND

31
pileconsts.c65
View file

@ -1,31 +0,0 @@
#IFNDEF __lib_pileconsts
#DEFINE __lib_pileconsts 1
GOTO __skip_lib_pileconsts
// ============================================================================
// PILE ID CONSTANTS
// ============================================================================
// Pile identifiers used throughout the game
// ============================================================================
BYTE CONST PILE_ID_NONE = 0
BYTE CONST PILE_ID_STOCK = 1
BYTE CONST PILE_ID_WASTE = 2
BYTE CONST PILE_ID_FOUND0 = 3
BYTE CONST PILE_ID_FOUND1 = 4
BYTE CONST PILE_ID_FOUND2 = 5
BYTE CONST PILE_ID_FOUND3 = 6
BYTE CONST PILE_ID_TAB0 = 7
BYTE CONST PILE_ID_TAB1 = 8
BYTE CONST PILE_ID_TAB2 = 9
BYTE CONST PILE_ID_TAB3 = 10
BYTE CONST PILE_ID_TAB4 = 11
BYTE CONST PILE_ID_TAB5 = 12
BYTE CONST PILE_ID_TAB6 = 13
LABEL __skip_lib_pileconsts
#IFEND

41
piles.c65
View file

@ -73,47 +73,6 @@ ASM
!fill 14, 0 !fill 14, 0
ENDASM ENDASM
// ============================================================================
// FUNC clear_all_piles
// Clear all piles (waste, foundations, tableaus) by setting their counts to 0
// Stock is not cleared as it's managed by stock_init()
// ============================================================================
FUNC clear_all_piles
WORD ptr @ $f0
// Clear waste pile
POINTER ptr -> pile_waste
POKE ptr[0] , 0
// Clear all foundation piles
POINTER ptr -> pile_found0
POKE ptr[0] , 0
POINTER ptr -> pile_found1
POKE ptr[0] , 0
POINTER ptr -> pile_found2
POKE ptr[0] , 0
POINTER ptr -> pile_found3
POKE ptr[0] , 0
// Clear all tableau piles
POINTER ptr -> pile_tab0
POKE ptr[0] , 0
POINTER ptr -> pile_tab1
POKE ptr[0] , 0
POINTER ptr -> pile_tab2
POKE ptr[0] , 0
POINTER ptr -> pile_tab3
POKE ptr[0] , 0
POINTER ptr -> pile_tab4
POKE ptr[0] , 0
POINTER ptr -> pile_tab5
POKE ptr[0] , 0
POINTER ptr -> pile_tab6
POKE ptr[0] , 0
FEND
LABEL __skip_lib_piles LABEL __skip_lib_piles
#IFEND #IFEND

20
utils.c65
View file

@ -4,18 +4,6 @@
GOTO __skip_lib_utils GOTO __skip_lib_utils
// ============================================================================
// HARDWARE REGISTER DEFINITIONS
// ============================================================================
// Shared hardware register references to avoid duplicate declarations
// ============================================================================
BYTE vic_raster @ $d012 // VIC-II raster line register
// ============================================================================
// UTILITY FUNCTIONS
// ============================================================================
FUNC fill_mem({WORD start_addr @ $fb} {WORD end_addr} {BYTE value}) FUNC fill_mem({WORD start_addr @ $fb} {WORD end_addr} {BYTE value})
FOR start_addr = start_addr TO end_addr FOR start_addr = start_addr TO end_addr
@ -129,14 +117,6 @@ FUNC set_vic_ecm
ENDASM ENDASM
FEND FEND
FUNC clear_vic_ecm
ASM
lda $d011
and #$1f ; leave DEN bit + all scroll stuff, clear ECM bit
sta $d011
ENDASM
FEND
// Wait for a keypress using direct CIA keyboard scan // Wait for a keypress using direct CIA keyboard scan
// No interrupts needed // No interrupts needed
FUNC wait_key FUNC wait_key