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Macros.inc (2947, 1997-02-19)
Util.asm (56380, 1997-02-19)

Here's a bunch of routines that I use on and off. Hopefully, some of these will be generically useful. For sure, there are some are completely useless to most people, such as the routines that convert to base 36. I'll be happy to answer any questions about them, either via e-mail or via the list-server. - John There are routines to: UTIL_ADCAD - Add Acc to DPTR, sets CY UTIL_ADCBAD - Add B/A to DPTR, sets CY UTIL_SUBBAD - Subtracts Acc from DPTR, sets CY UTIL_SUBBBAD - Subtracts B/A from DTPR, sets CY UTIL_INC16 - Increments 16 bit location in IRAM UTIL_UCOMPARE16 - Compares DPTR to 16 bit IRAM value UTIL_UCMPDPTRBA - Compares DPTR to B/A UTIL_SHIFT4L - Shfts a 16 bit IRAM value 4 bits left UTIL_LDDPTRC - Load DPTR from (DPTR) ROM UTIL_LDDPTRD - Load DPTR from (DPTR) XRAM UTIL_STDPTRD - Store R6/7 to (DPTR) XRAM UTIL_DPTRR01 - Exchange R0/1 <-> DPTR UTIL_DPTRR67 - Exchange R6/7 <-> DPTR UTIL_DPTR2C - 2s complelment DPTR UTIL_DPTRDEC - DPTR = DPTR - 1, sets CY UTIL_DPTRASR1 - Arithmetic shift right DPTR UTIL_DPTRSHR1 - Shift DPTR right UTIL_DPTRROL4 - Rotate DPTR left 4 UTIL_DPTRSHL4 - Shift DPTR left UTIL_R3R7RL4 - Shift R3/4/5/6/7 4 bits left UTIL_DPTRX10 - DPTR = DPTR * 10 UTIL_DPTRX100 - DPTR = DPTR * 100 UTIL_DPTRX1000 - DPTR = DPTR * 1000 UTIL_CALLFUNC - Call function DPTR points to UTIL_TOLOWER - Convert Acc to lowercase UTIL_TOUPPER - Convert Acc to uppercase UTIL_HEXTOBIN - Convert ACSII hex to binary UTIL_DECTOBIN - Convert ASCII decimal to binary UTIL_BCDTOBIN - Convert BCD to binary UTIL_ASC36TOBIN - Convert base 36 value to binary UTIL_BINTOASC - Convert binary to ASCII UTIL_BINTOASC36 - Convert binary to ASCII base 36 UTIL_BINTOBCD - Convert 8 bit binary to BCD UTIL_BINTOBCD12 - Convert 12 bit binary to BCD UTIL_BINTODEC - Convert DPTR to signed string UTIL_BINTOUDEC - Convert DPTR to unsigned string UTIL_VALDCDG - Validate Acc for ASCII decimal UTIL_VALHXDG - Validate Acc for ASCII hex UTIL_VALALPHA - Validate Acc for A..Z, a..z, 0..9 UTIL_VALALPHAZ - Validate string for A..Z, a..z, 0..9 UTIL_CNTDG - Count ASCII decimal in string UTIL_UDIV - Unsigned divide UTIL_UMOD - Unsigned mod UTIL_DIV - Signed divide UTIL_MOD - Signed mod UTIL_COPYXTOI - Copy XRAM to IRAM, length UTIL_COPYITOX - Copy IRAM to XRAM, length UTIL_COPYCTODL - Copy ROM to XRAM, length UTIL_COPYCTODZ - Copy ROM to XRAM, string UTIL_COPYDTODL - Copy XRAM to XRAM, length UTIL_COPYDTODZ - Copy XRAM to XRAM, string UTIL_PUT_ETX - Replace 0x00 with ETX in string UTIL_FIND_ETX - Locate ETX in string UTIL_TRIM - Remove trailing spaces UTIL_STRLEN - Return length of string John C. Wren, KD4DTS jcwren@atlanta.com 770-840-9200 x2417 (W)

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