mirror of
https://github.com/blondie7575/GSCats.git
synced 2024-11-22 06:31:48 +00:00
Font compiler now generates dedicated code bank
Fixed many bugs in font compiler and seems to render correctly now
This commit is contained in:
blondie7575
parent
1079535020
commit
a1d5abb963
2
.gitignore
vendored
2
.gitignore
vendored
@ -4,3 +4,5 @@
|
||||
/loader.lst
|
||||
/terrain_e1.lst
|
||||
/gscats.2mg
|
||||
/fontEngine.lst
|
||||
/FONTBANK\#060000
|
||||
|
||||
@ -10,18 +10,29 @@ CHAR_HEIGHT = 8
|
||||
CHAR_FIRST = 32
|
||||
CHROMA = 14
|
||||
|
||||
def labelFromCharXY(charX, numCharX, charY):
|
||||
charIndex = charY*numCharX + charX
|
||||
currChar = chr(charIndex+CHAR_FIRST)
|
||||
return "char{:d}".format(ord(currChar))
|
||||
|
||||
def main(argv):
|
||||
image = Image.open('Art/Assets/Font8x8.gif')
|
||||
pixels = asarray(image)
|
||||
numCharX = (int)(image.size[0]/CHAR_WIDTH)
|
||||
numCharY = (int)(image.size[1]/CHAR_HEIGHT)
|
||||
|
||||
for charY in range(0,1): #numCharY):
|
||||
for charX in range(1,2): #numCharX):
|
||||
charIndex = charY*numCharX + charX
|
||||
currChar = chr(charIndex+CHAR_FIRST)
|
||||
# Generate jump table for glyphs
|
||||
print ("characterJumpTable:")
|
||||
for charY in range(0,numCharY):
|
||||
for charX in range(0,numCharX):
|
||||
print ("\t.addr %s" % labelFromCharXY(charX,numCharX,charY))
|
||||
print ("")
|
||||
|
||||
print ("char%d:\n" % ord(currChar), end="")
|
||||
# Generate code for each glyph
|
||||
for charY in range(0,numCharY):
|
||||
for charX in range(0,numCharX):
|
||||
|
||||
print ("%s:\n" % labelFromCharXY(charX,numCharX,charY), end="")
|
||||
|
||||
# Header for each rendering operation
|
||||
print ("\ttya") # Transfer character VRAM position from Y to stack pointer
|
||||
@ -32,7 +43,15 @@ def main(argv):
|
||||
charOriginY = charY*CHAR_HEIGHT
|
||||
|
||||
for charRow in reversed(range(0,CHAR_HEIGHT)):
|
||||
print ("\t; Line %d" % charRow)
|
||||
print ("\t; Line %d, Pixel values: %x,%x,%x,%x,%x,%x,%x,%x" % (charRow,
|
||||
pixels[charOriginY+charRow][charOriginX+0],
|
||||
pixels[charOriginY+charRow][charOriginX+1],
|
||||
pixels[charOriginY+charRow][charOriginX+2],
|
||||
pixels[charOriginY+charRow][charOriginX+3],
|
||||
pixels[charOriginY+charRow][charOriginX+4],
|
||||
pixels[charOriginY+charRow][charOriginX+5],
|
||||
pixels[charOriginY+charRow][charOriginX+6],
|
||||
pixels[charOriginY+charRow][charOriginX+7]))
|
||||
nextRowDelta = 160
|
||||
for charCol in reversed(range(0,CHAR_WIDTH,4)):
|
||||
nibbles = [pixels[charOriginY+charRow][charOriginX+charCol],
|
||||
@ -43,20 +62,27 @@ def main(argv):
|
||||
word = nibbles[2]<<12 | nibbles[3]<<8 | nibbles[0]<<4 | nibbles[1]
|
||||
|
||||
if (nibbles[0]==CHROMA and nibbles[1]==CHROMA and nibbles[2]==CHROMA and nibbles[3]==CHROMA):
|
||||
pass # Case 1 : All chroma, so let stack advance with no work
|
||||
print ("\ttsc") # Case 1 : All chroma, so let stack advance with no work
|
||||
print ("\tdec")
|
||||
print ("\tdec")
|
||||
print ("\ttcs")
|
||||
nextRowDelta-=2
|
||||
elif (nibbles[0]!=CHROMA and nibbles[1]!=CHROMA and nibbles[2]!=CHROMA and nibbles[3]!=CHROMA):
|
||||
print ("\ttsc") # Advance stack 1 for two byte push
|
||||
print ("\tdec")
|
||||
print ("\ttcs")
|
||||
print ("\tpea $%04x" % word) # Case 2 : No chroma, so fast push
|
||||
nextRowDelta -= 2
|
||||
nextRowDelta -= 3
|
||||
else:
|
||||
mask = 0 # Case 3 : Mixed chroma, so mask and or
|
||||
mask = 0xFFFF # Case 3 : Mixed chroma, so mask and or
|
||||
if (nibbles[0]!=CHROMA):
|
||||
mask = mask | 0xFF0F
|
||||
mask = mask & 0xFF0F
|
||||
if (nibbles[1]!=CHROMA):
|
||||
mask = mask | 0xFFF0
|
||||
mask = mask & 0xFFF0
|
||||
if (nibbles[2]!=CHROMA):
|
||||
mask = mask | 0x0FFF
|
||||
mask = mask & 0x0FFF
|
||||
if (nibbles[3]!=CHROMA):
|
||||
mask = mask | 0xF0FF
|
||||
mask = mask & 0xF0FF
|
||||
|
||||
sprite = word
|
||||
if (nibbles[0]==CHROMA):
|
||||
@ -85,7 +111,7 @@ def main(argv):
|
||||
print ("\ttcs")
|
||||
|
||||
# Footer for each rendering operation
|
||||
print ("\tjmp returnFromTest")
|
||||
print ("\tjmp renderCharJumpReturn\n")
|
||||
|
||||
if __name__ == "__main__":
|
||||
main(sys.argv[1:])
|
||||
@ -22,8 +22,9 @@
|
||||
705C54E62124B7F300515A6B /* fan.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = fan.s; sourceTree = "<group>"; };
|
||||
706DF1641F2D39F700AA6680 /* loader.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = loader.s; sourceTree = "<group>"; };
|
||||
706DF1651F2D4A8100AA6680 /* terrain.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = terrain.s; sourceTree = "<group>"; };
|
||||
7076E9222A57AED90006E295 /* GenerateFont.py */ = {isa = PBXFileReference; lastKnownFileType = text.script.python; path = GenerateFont.py; sourceTree = "<group>"; };
|
||||
7076E9222A57AED90006E295 /* CompileFont.py */ = {isa = PBXFileReference; lastKnownFileType = text.script.python; path = CompileFont.py; sourceTree = "<group>"; };
|
||||
7076E9232A59113F0006E295 /* font8x8.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = font8x8.s; sourceTree = "<group>"; };
|
||||
7076E9242A5A4A8E0006E295 /* fontEngine.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = fontEngine.s; sourceTree = "<group>"; };
|
||||
7088096D1F2ECE8D00D4C950 /* GenerateRenderSpans.py */ = {isa = PBXFileReference; lastKnownFileType = text.script.python; path = GenerateRenderSpans.py; sourceTree = "<group>"; };
|
||||
708D1B1E27B9A1A600909AFC /* crosshair.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = crosshair.s; sourceTree = "<group>"; };
|
||||
709175C01F60D263008FAFAB /* GenerateCircles.py */ = {isa = PBXFileReference; lastKnownFileType = text.script.python; path = GenerateCircles.py; sourceTree = "<group>"; };
|
||||
@ -83,10 +84,11 @@
|
||||
70E9D8611F2BD95400555C19 /* gscats.s */,
|
||||
70E9D8631F2BD95400555C19 /* Makefile */,
|
||||
70BDCBC92006AD5F00CB51F1 /* linkerConfig */,
|
||||
7076E9232A59113F0006E295 /* font8x8.s */,
|
||||
7076E9242A5A4A8E0006E295 /* fontEngine.s */,
|
||||
7076E9222A57AED90006E295 /* CompileFont.py */,
|
||||
70FE79D21F8814A600E0095C /* MerlinToCA65.sh */,
|
||||
700F72872112428D00225B17 /* RenumberSpriteFiles.sh */,
|
||||
7076E9222A57AED90006E295 /* GenerateFont.py */,
|
||||
7076E9232A59113F0006E295 /* font8x8.s */,
|
||||
7088096D1F2ECE8D00D4C950 /* GenerateRenderSpans.py */,
|
||||
7059502B1F37A0BE00BBE90F /* GenerateVRAMTable.py */,
|
||||
7099E3851F4107B100182A82 /* GenerateVRAMYOffset.py */,
|
||||
|
||||
10
Makefile
10
Makefile
@ -18,6 +18,7 @@ CODEBANK=CODEBANK\#060000
|
||||
CODEBANKE1=CODEBANKE1\#060800
|
||||
EXEC=$(PGM)\#06$(ADDR)
|
||||
SOUNDBANK=SOUNDBANK\#060000
|
||||
FONTBANK=FONTBANK\#060000
|
||||
|
||||
PGM=gscats
|
||||
MRSPRITE=../MrSprite/mrsprite
|
||||
@ -49,6 +50,7 @@ $(PGM):
|
||||
$(CAD) ADDFILE $(PGM).2mg /$(VOLNAME) $(CODEBANK)
|
||||
$(CAD) ADDFILE $(PGM).2mg /$(VOLNAME) $(SPRITEBANK)
|
||||
$(CAD) ADDFILE $(PGM).2mg /$(VOLNAME) $(SOUNDBANK)
|
||||
$(CAD) ADDFILE $(PGM).2mg /$(VOLNAME) $(FONTBANK)
|
||||
|
||||
rm -f $(CODEBANK)
|
||||
rm -f $(PGM).o
|
||||
@ -96,3 +98,11 @@ sound:
|
||||
rm -f $(GENSOUND)/*
|
||||
./GenerateSoundBank.sh Sound/CatHowl.wav 11264 Sound/Meow1.wav 5513 Sound/Meow2.wav 5513 Sound/Meow3.wav 5513 Sound/Meow4.wav 5513
|
||||
rm -f $(GENSOUND)/*
|
||||
|
||||
.PHONY: fonts
|
||||
fonts:
|
||||
rm -rf $(FONTBANK)
|
||||
./CompileFont.py > font8x8.s
|
||||
@PATH=$(PATH):/usr/local/bin; $(CL65) -t apple2enh --cpu 65816 --start-addr 0000 -lfonts.lst fontEngine.s -o $(FONTBANK)
|
||||
rm -f fontEngine.o
|
||||
|
||||
|
||||
83
fontEngine.s
Normal file
83
fontEngine.s
Normal file
@ -0,0 +1,83 @@
|
||||
.include "equates.s"
|
||||
.include "macros.s"
|
||||
|
||||
.org $0000
|
||||
|
||||
FIRST_CHAR = 32
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
; renderString (Far entry point)
|
||||
;
|
||||
; Draws a Pascal string
|
||||
;
|
||||
; PARAM0L = Pointer to string
|
||||
; Y = VRAM position of lower right corner of string at which to draw
|
||||
;
|
||||
; Trashes SCRATCHL, X, Y, A
|
||||
;
|
||||
renderString:
|
||||
NATIVE
|
||||
sty SCRATCHL
|
||||
|
||||
BITS8
|
||||
lda (PARAML0)
|
||||
tax
|
||||
BITS16
|
||||
|
||||
renderStringLoop:
|
||||
|
||||
; Fetch and render next character in string
|
||||
txy
|
||||
lda #0
|
||||
BITS8A
|
||||
lda (PARAML0),y
|
||||
BITS16
|
||||
ldy SCRATCHL
|
||||
jsr renderChar
|
||||
|
||||
dex
|
||||
beq renderStringDone
|
||||
|
||||
; Calculate VRAM pointer for position of next character
|
||||
lda SCRATCHL
|
||||
sec
|
||||
sbc #4
|
||||
sta SCRATCHL
|
||||
bra renderStringLoop
|
||||
|
||||
renderStringDone:
|
||||
rtl
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
; renderChar
|
||||
;
|
||||
; Draws a single character
|
||||
;
|
||||
; A = ASCII code to draw
|
||||
; Y = VRAM position of lower right corner at which to draw
|
||||
;
|
||||
renderChar:
|
||||
SAVE_AXY
|
||||
|
||||
sec ; Bounce off glyph-rendering jump table
|
||||
sbc #FIRST_CHAR
|
||||
asl
|
||||
tax
|
||||
FASTGRAPHICS
|
||||
jmp (characterJumpTable,x)
|
||||
|
||||
renderCharJumpReturn: ; Compiled glyphs jump back here. Can't rts because stack is turboborked
|
||||
SLOWGRAPHICS
|
||||
RESTORE_AXY
|
||||
rts
|
||||
|
||||
.include "font8x8.s"
|
||||
|
||||
; Suppress some linker warnings - Must be the last thing in the file
|
||||
; This is because Quinn doesn't really know how to use ca65 properly
|
||||
.SEGMENT "ZPSAVE"
|
||||
.SEGMENT "EXEHDR"
|
||||
.SEGMENT "STARTUP"
|
||||
.SEGMENT "INIT"
|
||||
.SEGMENT "LOWCODE"
|
||||
|
||||
@ -69,12 +69,13 @@ beginGameplay:
|
||||
jsr clipTerrain
|
||||
|
||||
; Test font renderer
|
||||
; FASTGRAPHICS
|
||||
; ldy #$3000 ;#$2504
|
||||
; jmp char33
|
||||
returnFromTest:
|
||||
; SLOWGRAPHICS
|
||||
; ;HARDBRK
|
||||
lda #testString
|
||||
sta PARAML0
|
||||
ldy #$3000
|
||||
jsl $050000
|
||||
bra gameplayLoop
|
||||
testString:
|
||||
pstring "HELLO WORLD!"
|
||||
|
||||
gameplayLoop:
|
||||
lda projectileActive
|
||||
|
||||
1
gscats.s
1
gscats.s
@ -54,7 +54,6 @@ quitGame:
|
||||
.include "inventory.s"
|
||||
.include "dirt.s"
|
||||
.include "crosshair.s"
|
||||
.include "font8x8.s"
|
||||
endMainBank2:
|
||||
|
||||
|
||||
|
||||
38
loader.s
38
loader.s
@ -164,7 +164,7 @@ loadData:
|
||||
|
||||
EMULATION
|
||||
|
||||
; Load rest of sound data into bank 0 (needed if sound size exceeds BUFFERSIZE)
|
||||
; Load rest of sound data into bank 4 (needed if sound size exceeds BUFFERSIZE)
|
||||
jsr PRODOS
|
||||
.byte $ca
|
||||
.addr fileRead
|
||||
@ -177,7 +177,7 @@ loadData:
|
||||
|
||||
NATIVE
|
||||
|
||||
; Copy rest of code into bank 2 (needed if code size exceeds BUFFERSIZE)
|
||||
; Copy rest of sound data into bank 4 (needed if sound size exceeds BUFFERSIZE)
|
||||
ldx fileReadLen
|
||||
txa
|
||||
clc
|
||||
@ -187,6 +187,28 @@ loadData:
|
||||
ldy #BUFFERSIZE
|
||||
jsr copyBytes
|
||||
|
||||
EMULATION
|
||||
|
||||
; Open the font file
|
||||
jsr PRODOS
|
||||
.byte $c8
|
||||
.addr fileOpenFonts
|
||||
bne ioErrorJmp
|
||||
|
||||
; Load the font data into bank 0
|
||||
jsr PRODOS
|
||||
.byte $ca
|
||||
.addr fileRead
|
||||
bne ioErrorJmp
|
||||
|
||||
NATIVE
|
||||
|
||||
; Copy font data into bank 5
|
||||
ldx fileReadLen
|
||||
lda #5
|
||||
ldy #0
|
||||
jsr copyBytes
|
||||
|
||||
; Set up a long jump into bank 2, and
|
||||
; a way for game code to get back here to exit
|
||||
; properly to ProDOS 8
|
||||
@ -200,6 +222,9 @@ returnToProDOS:
|
||||
EMULATION
|
||||
rts
|
||||
|
||||
ioErrorJmp:
|
||||
jmp ioError
|
||||
|
||||
|
||||
; This table lives here in the loader because we need to copy
|
||||
; it to a specific free hole in bank E1
|
||||
@ -315,6 +340,13 @@ fileOpenSound:
|
||||
.byte 0 ; Result (file handle)
|
||||
.byte 0 ; Padding
|
||||
|
||||
fileOpenFonts:
|
||||
.byte 3
|
||||
.addr fontPath
|
||||
.addr $9200 ; 1k below BASIC.SYSTEM
|
||||
.byte 0 ; Result (file handle)
|
||||
.byte 0 ; Padding
|
||||
|
||||
codePath:
|
||||
pstring "/GSAPP/CODEBANK"
|
||||
codePathE1:
|
||||
@ -323,3 +355,5 @@ spritePath:
|
||||
pstring "/GSAPP/SPRITEBANK"
|
||||
soundPath:
|
||||
pstring "/GSAPP/SOUNDBANK"
|
||||
fontPath:
|
||||
pstring "/GSAPP/FONTBANK"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user