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aulrem.s
|J. Test 1/81
|addressed unsigned long remainder: *dividend = *dividend % divisor
.globl aulrem
.text
aulrem: link a6,#0
moveml #0x3000,sp@- |need d2,d3 registers
movl a6@(8),a0 |a0 = di
ldiv.s
|J. Test 1/81
|signed long division: quotient = dividend / divisor
.globl ldiv
.text
ldiv: link a6,#0
moveml #0x3C00,sp@- |need d2,d3,d4,d5 registers
movl #1,d5 |sign of result
movl a
auldiv.s
|J. Test 1/81
|addressed unsigned long division: *dividend = *dividend / divisor
.globl auldiv
.text
auldiv: link a6,#0
moveml #0x3800,sp@- |need d2,d3,d4 registers
movl a6@(8),a0 |a0 =
alrem.s
|J. Test 1/81
|addressed signed long remainder: *dividend = *dividend % divisor
.globl alrem
.text
alrem: link a6,#0
moveml #0x3800,sp@- |need d2,d3,d4 registers
movl #1,d4 |sign of res
aulmul.s
|J. Test 1/81
|addressed unsigned long multiply: *a = *a * b
.globl aulmul
.text
aulmul: link a6,#0
moveml #0x3000,sp@- |save d2,d3
movl a6@(8),a0 |a0 = pointer to a
movl a0@,d2 |d2 =
aldiv.s
|J. Test 1/81
|addressed signed long division: *dividend = *dividend/divisor
.globl aldiv
.text
aldiv: link a6,#0
moveml #0x3C00,sp@- |need d2,d3,d4,d5 registers
movl #1,d5 |sign of res
lmul.s
|J. Test 1/81
|signed long multiply: c = a * b
.globl lmul
.text
lmul: link a6,#0
moveml #0x3800,sp@- |save d2,d3,d4
movl #1,d4 |sign of result
movl a6@(8),d2 |d2 = a
bge 1$
negl
float.s
|J. Test 3/81
|floating point routines for Nu(MC68000)
|offsets in internal float structure
SIGN = 0 |sign
EXPT = 2 |exponent (-127/+127)
MANH = 4 |high mantissa
MANL = 8 |low
uldiv.s
|J. Gula
|J. Test 1/81
|unsigned long division: dividend = dividend / divisor
.globl uldiv
.text
uldiv: link a6,#0
moveml #0x3800,sp@- |need d2,d3,d4 registers
movl a6@(8),d0 |dividend
ulrem.s
|J. Test 1/81
|unsigned long remainder: a = a % b
.globl ulrem
.text
ulrem: link a6,#0
moveml #0x3000,sp@- |need d2,d3 registers
movl a6@(8),d0 |dividend
movl d0,d2 |save dividend
m