BasicMicro - Forums

RegSel con p8
RdWrPin con p9
CLK con p10
DB4 con p11
DB5 con p12
DB6 con p13
DB7 con p14

aa var long
bb var long
cc var long

aa = float 100.01
bb = float 200.02
cc = aa fadd bb
LCDINIT RegSelCLKDB7DB6DB5DB4, RdWrPin
LCDWRITE RegSelCLKDB7DB6DB5DB4, RdWrPin,[TWOLINE,CLEAR] ' Set for 2 line display and clears the screen
PAUSE 100 ' Give the display time to react
LCDWRITE RegSelCLKDB7DB6DB5DB4, ["Math test"]
LCDWRITE RegSelCLKDB7DB6DB5DB4, [SCRRAM

Ken,

The problem is that 0.01 cannot be represented exactly in binary floating point. Rounded off to 2 places, the result is 300.03 (apparently what the debugger is showing). Truncated to 3 places, the result is 300.029 (what your LCD shows).

Don

[This message has been edited by donblake (edited 05-27-2003).]