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Worked on text scaling. This is an intermediate version which doesn't work.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@5089 b7a2c559-68d2-44c3-8de9-860c34a00d81
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uz
2011-07-17 18:27:01 +00:00
parent 928f675e4b
commit 83d67e930a
2 changed files with 65 additions and 61 deletions
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20
libsrc/tgi/tgi-kernel.s
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@@ -27,16 +27,14 @@ _tgi_color: .res 1 ; Current drawing color
_tgi_font: .res 1 ; Which font to use
_tgi_textdir: .res 1 ; Current text direction
_tgi_vectorfont: .res 2 ; Pointer to vector font
; The following two store an 8.8 fixed point value in the first two bytes,
; and a rounded integer value in the third byte. The latter is passed to the
; driver to scale the bitmap font. The variables are expected to be in
; this order and adjacent.
_tgi_textscalew: .res 3 ; Text scale for the width
_tgi_textscaleh: .res 3 ; Text scale for the height
; The following two must also be in exactly this order
_tgi_charwidth: .res 1 ; Char width of system font
_tgi_charheight: .res 1 ; Char height of system font
; The following are character scale/size variables in 8.8 fixed point
; format. They are required to be in this order and adjacent.
_tgi_textscalew: .res 2 ; Vector font width scale
.res 2 ; Bitmap font width scale
_tgi_charwidth: .res 2 ; Full width of one bitmap char
_tgi_textscaleh: .res 2 ; Vector font height scale
.res 2 ; Bitmap font height scale
_tgi_charheight: .res 2 ; Full height of one bitmap char
; End of section that gets cleared when a new driver is loaded
csize = * - cstart
@@ -45,7 +43,7 @@ csize = * - cstart
_tgi_xmax: .res 2
_tgi_ymax: .res 2
; The following variables are copied from the driver header for faster access
; The following variables are copied from the driver header for faster access.
; fontwidth and fontheight are expected to be in order and adjacent.
tgi_driver_vars:
_tgi_xres: .res 2 ; X resolution of the current mode