Interrupt 1Fh Pointer to Graphics Character Extensions (Graphics Set 2)(0:007Ch) This is the pointer to data used by the ROM video routines to
display characters above ASCII 127 while in CGA medium and high
resolution graphics modes.
note 1) Doubleword address points to 1K table composed of 28 8-byte character
definition bit-patterns. First byte of each entry is top row, last byte
is bottom row.
2) The first 128 character patterns are located in system ROM.
3) This vector is set to 000:0 at system initialization
4) Used by DOS' external GRAFTABL command
file: /Techref/int/1f.htm, 0KB, , updated: 1999/2/20 10:27, local time: 2024/11/19 09:01,
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