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Groundwork for font compiler
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blondie7575
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1977553b83
commit
1079535020
BIN
Art/Assets/Font8x8.gif
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Art/Assets/Font8x8.gif
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Art/Assets/Font8x8.xcf
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Art/Assets/Font8x8.xcf
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@ -22,6 +22,8 @@
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705C54E62124B7F300515A6B /* fan.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = fan.s; sourceTree = "<group>"; };
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706DF1641F2D39F700AA6680 /* loader.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = loader.s; sourceTree = "<group>"; };
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706DF1651F2D4A8100AA6680 /* terrain.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = terrain.s; sourceTree = "<group>"; };
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7076E9222A57AED90006E295 /* GenerateFont.py */ = {isa = PBXFileReference; lastKnownFileType = text.script.python; path = GenerateFont.py; sourceTree = "<group>"; };
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7076E9232A59113F0006E295 /* font8x8.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = font8x8.s; sourceTree = "<group>"; };
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7088096D1F2ECE8D00D4C950 /* GenerateRenderSpans.py */ = {isa = PBXFileReference; lastKnownFileType = text.script.python; path = GenerateRenderSpans.py; sourceTree = "<group>"; };
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708D1B1E27B9A1A600909AFC /* crosshair.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = crosshair.s; sourceTree = "<group>"; };
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709175C01F60D263008FAFAB /* GenerateCircles.py */ = {isa = PBXFileReference; lastKnownFileType = text.script.python; path = GenerateCircles.py; sourceTree = "<group>"; };
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@ -83,6 +85,8 @@
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70BDCBC92006AD5F00CB51F1 /* linkerConfig */,
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70FE79D21F8814A600E0095C /* MerlinToCA65.sh */,
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700F72872112428D00225B17 /* RenumberSpriteFiles.sh */,
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7076E9222A57AED90006E295 /* GenerateFont.py */,
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7076E9232A59113F0006E295 /* font8x8.s */,
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7088096D1F2ECE8D00D4C950 /* GenerateRenderSpans.py */,
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7059502B1F37A0BE00BBE90F /* GenerateVRAMTable.py */,
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7099E3851F4107B100182A82 /* GenerateVRAMYOffset.py */,
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91
GenerateFont.py
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91
GenerateFont.py
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@ -0,0 +1,91 @@
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#!/usr/bin/env python3
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import sys
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import PIL
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from PIL import Image
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from numpy import asarray
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CHAR_WIDTH = 8
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CHAR_HEIGHT = 8
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CHAR_FIRST = 32
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CHROMA = 14
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def main(argv):
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image = Image.open('Art/Assets/Font8x8.gif')
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pixels = asarray(image)
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numCharX = (int)(image.size[0]/CHAR_WIDTH)
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numCharY = (int)(image.size[1]/CHAR_HEIGHT)
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for charY in range(0,1): #numCharY):
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for charX in range(1,2): #numCharX):
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charIndex = charY*numCharX + charX
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currChar = chr(charIndex+CHAR_FIRST)
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print ("char%d:\n" % ord(currChar), end="")
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# Header for each rendering operation
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print ("\ttya") # Transfer character VRAM position from Y to stack pointer
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print ("\ttcs")
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# Iteratre through all the pixels
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charOriginX = charX*CHAR_WIDTH
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charOriginY = charY*CHAR_HEIGHT
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for charRow in reversed(range(0,CHAR_HEIGHT)):
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print ("\t; Line %d" % charRow)
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nextRowDelta = 160
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for charCol in reversed(range(0,CHAR_WIDTH,4)):
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nibbles = [pixels[charOriginY+charRow][charOriginX+charCol],
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pixels[charOriginY+charRow][charOriginX+charCol+1],
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pixels[charOriginY+charRow][charOriginX+charCol+2],
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pixels[charOriginY+charRow][charOriginX+charCol+3]]
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word = nibbles[2]<<12 | nibbles[3]<<8 | nibbles[0]<<4 | nibbles[1]
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if (nibbles[0]==CHROMA and nibbles[1]==CHROMA and nibbles[2]==CHROMA and nibbles[3]==CHROMA):
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pass # Case 1 : All chroma, so let stack advance with no work
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elif (nibbles[0]!=CHROMA and nibbles[1]!=CHROMA and nibbles[2]!=CHROMA and nibbles[3]!=CHROMA):
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print ("\tpea $%04x" % word) # Case 2 : No chroma, so fast push
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nextRowDelta -= 2
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else:
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mask = 0 # Case 3 : Mixed chroma, so mask and or
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if (nibbles[0]!=CHROMA):
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mask = mask | 0xFF0F
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if (nibbles[1]!=CHROMA):
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mask = mask | 0xFFF0
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if (nibbles[2]!=CHROMA):
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mask = mask | 0x0FFF
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if (nibbles[3]!=CHROMA):
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mask = mask | 0xF0FF
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sprite = word
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if (nibbles[0]==CHROMA):
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sprite = sprite & 0xFF0F
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if (nibbles[1]==CHROMA):
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sprite = sprite & 0xFFF0
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if (nibbles[2]==CHROMA):
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sprite = sprite & 0x0FFF
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if (nibbles[3]==CHROMA):
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sprite = sprite & 0xF0FF
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print ("\ttsc") # Keep stack moving, even though we didn't use it
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print ("\tdec")
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print ("\tdec")
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print ("\ttcs")
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print ("\tlda 0,S") # Blend mask, sprite, and background
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print ("\tand #$%04x" % mask)
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print ("\tora #$%04x" % sprite)
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print ("\tsta 0,S")
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nextRowDelta -= 2
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# Advance stack pointer to next row
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print ("\ttsc")
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print ("\tsec")
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print ("\tsbc #%d" % nextRowDelta)
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print ("\ttcs")
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# Footer for each rendering operation
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print ("\tjmp returnFromTest")
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if __name__ == "__main__":
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main(sys.argv[1:])
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140
font8x8.s
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font8x8.s
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@ -0,0 +1,140 @@
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char33:
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tya
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tcs
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; Line 7
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tsc
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sec
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sbc #160
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tcs
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; Line 6
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tsc
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dec
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dec
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tcs
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lda 0,S
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and #$ff0f
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ora #$00d0
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sta 0,S
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tsc
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dec
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dec
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tcs
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lda 0,S
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and #$f0ff
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ora #$0d00
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sta 0,S
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tsc
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sec
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sbc #156
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tcs
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; Line 5
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tsc
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dec
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dec
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tcs
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lda 0,S
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and #$ff0f
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ora #$00d0
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sta 0,S
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tsc
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dec
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dec
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tcs
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lda 0,S
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and #$f0ff
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ora #$0d00
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sta 0,S
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tsc
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sec
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sbc #156
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tcs
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; Line 4
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tsc
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sec
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sbc #160
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tcs
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; Line 3
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tsc
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dec
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dec
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tcs
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lda 0,S
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and #$ff0f
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ora #$00d0
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sta 0,S
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tsc
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dec
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dec
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tcs
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lda 0,S
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and #$f0ff
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ora #$0a00
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sta 0,S
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tsc
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sec
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sbc #156
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tcs
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; Line 2
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tsc
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dec
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dec
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tcs
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lda 0,S
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and #$ff0f
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ora #$00a0
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sta 0,S
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tsc
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dec
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dec
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tcs
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lda 0,S
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and #$f0ff
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ora #$0a00
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sta 0,S
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tsc
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sec
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sbc #156
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tcs
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; Line 1
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tsc
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dec
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dec
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tcs
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lda 0,S
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and #$ff0f
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ora #$00b0
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sta 0,S
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tsc
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dec
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dec
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tcs
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lda 0,S
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and #$f0ff
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ora #$0b00
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sta 0,S
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tsc
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sec
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sbc #156
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tcs
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; Line 0
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tsc
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dec
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dec
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tcs
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lda 0,S
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and #$ff0f
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ora #$00f0
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sta 0,S
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tsc
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dec
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dec
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tcs
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lda 0,S
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and #$f0ff
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ora #$0f00
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sta 0,S
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tsc
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sec
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sbc #156
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tcs
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jmp returnFromTest
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@ -67,16 +67,14 @@ beginGameplay:
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jsr compileTerrain
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jsr clipTerrain
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; jsl renderTerrainSpans ; Part of the now disabled fill-mode renderer
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; lda #7
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; sta PARAML0
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; lda #50
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; sta PARAML1
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; ldy #3
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; jsr craterTerrain
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; jsr compileTerrain
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; jsr clipTerrain
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; Test font renderer
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; FASTGRAPHICS
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; ldy #$3000 ;#$2504
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; jmp char33
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returnFromTest:
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; SLOWGRAPHICS
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; ;HARDBRK
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gameplayLoop:
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lda projectileActive
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@ -417,7 +415,7 @@ fire:
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basePalette:
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.word $0aef,$0080,$0080,$0861,$0c93,$0eb4,$0d66,$0f9a,$0777,$0f00,$0bbb,$ddd,$007b,$0ff0,$0000,$0fff
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.word $0aef,$0080,$0080,$0861,$0c93,$0eb4,$0d66,$0f9a,$0777,$0f00,$0bbb,$ddd,$007b,$0a5b,$0000,$0fff
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statusBarPalette:
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.word $0aef,$0fff,$0aef,$0aef,$0aef,$0aef,$0d66,$0aef,$0aef,$0aef,$0aef,$0aef,$0aef,$0aef,$0aef,$0000
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