Difference between revisions of "Category:83Plus:Quirks"
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| − | + | == Hardware Quirks == | |
The TI-83+ family of calculators has some interesting quirks in the hardware. | The TI-83+ family of calculators has some interesting quirks in the hardware. | ||
| − | *The calculator will crash if PC is greater than or equal to C000, provided an even-numbered RAM page is swapped in the upper bank. This is the default (page 80h). This is where the 8kb limit comes from | + | *The calculator will crash if PC is greater than or equal to C000, provided an even-numbered RAM page is swapped in the upper bank. This is the default (page 80h). This is where the 8kb limit comes from. Seems like an imposed hardware constraint. |
*Later models of calculators are missing RAM pages | *Later models of calculators are missing RAM pages | ||
*Later models of calculators have a longer LCD delay | *Later models of calculators have a longer LCD delay | ||
*If a LD A,I or LD A,R instruction is interrupted, then the P/V flag is reset, even if interrupts were enabled beforehand. | *If a LD A,I or LD A,R instruction is interrupted, then the P/V flag is reset, even if interrupts were enabled beforehand. | ||
| + | |||
| + | == TIOS Quirks == | ||
| + | *In TI-BASIC interpreter an If inside a For( loop without ending parentheses can cause an abnormal time wasten in interpretation. | ||
| + | *There are lots of bugs specially in old buggy versions as [http://www.omnimaga.org/index.php?topic=1090.0 this topic] describes. | ||
Revision as of 13:19, 17 November 2010
Hardware Quirks
The TI-83+ family of calculators has some interesting quirks in the hardware.
- The calculator will crash if PC is greater than or equal to C000, provided an even-numbered RAM page is swapped in the upper bank. This is the default (page 80h). This is where the 8kb limit comes from. Seems like an imposed hardware constraint.
- Later models of calculators are missing RAM pages
- Later models of calculators have a longer LCD delay
- If a LD A,I or LD A,R instruction is interrupted, then the P/V flag is reset, even if interrupts were enabled beforehand.
TIOS Quirks
- In TI-BASIC interpreter an If inside a For( loop without ending parentheses can cause an abnormal time wasten in interpretation.
- There are lots of bugs specially in old buggy versions as this topic describes.
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