2017-03-07 22:12:52 +00:00
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General notes
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=============
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Font palette:
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- Standard text windows: 0x4 = background, 0xF = foreground
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- File select/setup windows: 0x1 = background, 0x9 = foreground
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Hard-coded characters:
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- 0xFD: bullet (tile 0x1DD)
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- 0xFE: equip (tile 0x1DE)
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- Null (tile 0x1DF)
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- Background (tile 0x1FF)
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0x30051EC: tile offset (usually 0x100)
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0x3005228: current text palette, << 0xC
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0x3005230: addresses of all 11 windows
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2017-03-11 04:43:04 +00:00
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0x3005264: active window party member
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2017-03-07 22:12:52 +00:00
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0x3005270: address of tilemap start in WRAM, can use this to figure out X and Y
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2017-03-09 05:36:24 +00:00
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LDRB Rx,[Ry,#n]: n has range 0-31 (0x0-0x1F)
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LDRH Rx,[Ry,#n]: n has range 0-62 (0x0-0x3E)
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LDR Rx,[Ry,#n]: n has range 0-124 (0x0-0x7C) (0-1020 for SP- and PC-relative)
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2017-03-07 22:12:52 +00:00
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2017-03-09 06:04:02 +00:00
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Custom WRAM: 2027FC0
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2017-03-11 18:30:08 +00:00
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Code sequences
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--------------
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2017-03-11 04:43:04 +00:00
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2017-03-11 18:30:08 +00:00
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80C4C24: equip window renders four (None)s in a row
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80C4F80: going left in equip window
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80C4F84: going right in equip window
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2017-03-07 22:12:52 +00:00
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Subroutines
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-----------
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2017-03-12 22:55:11 +00:00
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80C1FBC: draw PSI window
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2017-03-10 21:29:27 +00:00
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80C87D0: draw blank window and border (r0: window pointer)
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2017-03-11 04:41:45 +00:00
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80C9634: render string (r1) to window (r0) at (x,y) (r2,r3)
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2017-03-12 22:55:11 +00:00
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80C96F0: render string (r1) to window (r0) at (x,2y) (r2,r3) using highlight [sp]
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2017-03-12 21:33:47 +00:00
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(does not modify any window values)
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2017-03-09 05:36:24 +00:00
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80C980C: print next character (r0: window pointer)
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80CA4BC: scroll text upwards (r0: window pointer)
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2017-03-07 22:12:52 +00:00
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Windows
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-------
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Window structure:
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0x00 - 0x03: bitfield
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0x00000001: enable
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2017-03-11 04:41:45 +00:00
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0x00000020: signals to redraw the window and borders (cleared by C87D0)
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0x0000FFDE: ?
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2017-03-09 06:04:02 +00:00
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0xFFFF0000: we're stealing these for our hacks
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0x0007: pixel X value
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0xFFF8: unused
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2017-03-07 22:12:52 +00:00
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0x04 - 0x07: start address of text being displayed
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0x08 - 0x0B: same as above?
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0x0C - 0x13: unused?
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2017-03-09 05:36:24 +00:00
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0x14 - 0x17: text address offset
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0x18 - 0x1B: ?
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0x1C - 0x1F: ? (some kind of offset; used when printing nameable things?)
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2017-03-07 22:12:52 +00:00
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0x20 - 0x21: area (width*height)
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2017-03-09 05:36:24 +00:00
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0x22 - 0x23: window X (text area, not including border)
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0x24 - 0x25: window Y
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0x26 - 0x27: window width (tiles, not including border)
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2017-03-07 22:12:52 +00:00
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0x28 - 0x29: window height
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0x2A - 0x2B: relative text X
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0x2C - 0x2D: relative text Y
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0x2E - 0x33: ?
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0x34 - 0x35: cursor X
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0x36 - 0x37: cursor Y
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2017-03-09 05:36:24 +00:00
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0x38 - 0x43: ?
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2017-03-07 22:12:52 +00:00
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0x44: ?
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2017-03-09 05:36:24 +00:00
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0x45 - 0x4F: ?
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