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exec_func.S
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; ****************************************************************************
;
; Execute functions
;
; ****************************************************************************
#include "include.inc"
.text
.global _Disp
_Disp: jmp Disp
.global __EditStop
__EditStop:
jmp EditStop
; ----------------------------------------------------------------------------
; ln x (0x23)
; ----------------------------------------------------------------------------
; INPUT: R24 = key HEX code 0x00..0xFF
; R23 = INV flag (1=set)
; Z = clear if INV flag was set (=brne)
; ----------------------------------------------------------------------------
.global ExecLnx
ExecLnx:
breq 1f ; no INV
rcall __EditStop ; stop edit mode
rcall Calc
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_EXP ; exp x
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
1:
rcall __EditStop ; stop edit mode
rcall Calc
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_LN ; ln x
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
; ----------------------------------------------------------------------------
; log (0x28)
; ----------------------------------------------------------------------------
; INPUT: R24 = key HEX code 0x00..0xFF
; R23 = INV flag (1=set)
; Z = clear if INV flag was set (=brne)
; ----------------------------------------------------------------------------
.global ExecLog
ExecLog:
breq 1f ; no INV
rcall __EditStop ; stop edit mode
rcall Calc
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_EXP10 ; exp10 x
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
1:
rcall __EditStop ; stop edit mode
rcall Calc
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_LOG10 ; log10 x
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
; ----------------------------------------------------------------------------
; log2 (0x2C)
; ----------------------------------------------------------------------------
; INPUT: R24 = key HEX code 0x00..0xFF
; R23 = INV flag (1=set)
; Z = clear if INV flag was set (=brne)
; ----------------------------------------------------------------------------
.global ExecLg2
ExecLg2:
breq 1f ; no INV
rcall __EditStop ; stop edit mode
rcall Calc
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_EXP2 ; exp2 x
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
1:
rcall __EditStop ; stop edit mode
rcall Calc
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_LOG2 ; log2 x
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
; ----------------------------------------------------------------------------
; random rnd (0x2d)
; ----------------------------------------------------------------------------
; INPUT: R24 = key HEX code 0x00..0xFF
; R23 = INV flag (1=set)
; Z = clear if INV flag was set (=brne)
; ----------------------------------------------------------------------------
.global ExecRnd
ExecRnd:
breq 1f ; no INV
rcall __EditStop ; stop edit mode
rcall Calc
.byte C_RAND ; random number
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_MUL ; multiply
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
; ----- calculate random number 0..1
1:
rcall __EditStop ; stop edit mode
rcall Calc
.byte C_RAND ; random number
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
; ----------------------------------------------------------------------------
; tan (0x30)
; ----------------------------------------------------------------------------
; INPUT: R24 = key HEX code 0x00..0xFF
; R23 = INV flag (1=set)
; Z = clear if INV flag was set (=brne)
; ----------------------------------------------------------------------------
.global ExecTan
ExecTan:
breq 1f ; no INV
rcall __EditStop ; stop edit mode
rcall Calc
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_ATN ; atan x
.byte C_FROMRAD ; angle from radians
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
1: rcall __EditStop ; stop edit mode
rcall Calc
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_TORAD ; angle to radians
.byte C_TAN ; tan x
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
; ----------------------------------------------------------------------------
; x^2 (0x33)
; ----------------------------------------------------------------------------
; INPUT: R24 = key HEX code 0x00..0xFF
; R23 = INV flag (1=set)
; Z = clear if INV flag was set (=brne)
; ----------------------------------------------------------------------------
.global ExecX2
ExecX2:
rcall __EditStop ; stop edit mode
rcall Calc
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_SQR ; x^2
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
; ----------------------------------------------------------------------------
; Vx (0x34)
; ----------------------------------------------------------------------------
; INPUT: R24 = key HEX code 0x00..0xFF
; R23 = INV flag (1=set)
; Z = clear if INV flag was set (=brne)
; ----------------------------------------------------------------------------
.global ExecVx
ExecVx:
rcall __EditStop ; stop edit mode
rcall Calc
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_SQRT ; Vx
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
; ----------------------------------------------------------------------------
; 1/x (0x35)
; ----------------------------------------------------------------------------
; INPUT: R24 = key HEX code 0x00..0xFF
; R23 = INV flag (1=set)
; Z = clear if INV flag was set (=brne)
; ----------------------------------------------------------------------------
.global Exec1x
Exec1x:
rcall __EditStop ; stop edit mode
rcall Calc
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_REC ; 1/x
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
; ----------------------------------------------------------------------------
; sin (0x38)
; ----------------------------------------------------------------------------
; INPUT: R24 = key HEX code 0x00..0xFF
; R23 = INV flag (1=set)
; Z = clear if INV flag was set (=brne)
; ----------------------------------------------------------------------------
.global ExecSin
ExecSin:
breq 1f ; no INV
rcall __EditStop ; stop edit mode
rcall Calc
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_ASN ; asin x
.byte C_FROMRAD ; angle from radians
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
1: rcall __EditStop ; stop edit mode
rcall Calc
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_TORAD ; angle to radians
.byte C_SIN ; sin x
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
; ----------------------------------------------------------------------------
; cos (0x39)
; ----------------------------------------------------------------------------
; INPUT: R24 = key HEX code 0x00..0xFF
; R23 = INV flag (1=set)
; Z = clear if INV flag was set (=brne)
; ----------------------------------------------------------------------------
.global ExecCos
ExecCos:
breq 1f ; no INV
rcall __EditStop ; stop edit mode
rcall Calc
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_ACS ; acos x
.byte C_FROMRAD ; angle from radians
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
1: rcall __EditStop ; stop edit mode
rcall Calc
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_TORAD ; angle to radians
.byte C_COS ; cos x
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
; ----------------------------------------------------------------------------
; |x| (0x50)
; ----------------------------------------------------------------------------
; INPUT: R24 = key HEX code 0x00..0xFF
; R23 = INV flag (1=set)
; Z = clear if INV flag was set (=brne)
; ----------------------------------------------------------------------------
.global ExecAbs
ExecAbs:
; INV is set - sign
brne ExecSign ; INV is set
rcall __EditStop ; stop edit mode
rcall Calc
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_ABS ; abs x
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
.global ExecSign
ExecSign:
rcall __EditStop ; stop edit mode and set X valid
; sign X
SET_XVALID ; set register X valid
rcall Calc
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_SGN ; sign X
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
; ----------------------------------------------------------------------------
; Int (0x59)
; ----------------------------------------------------------------------------
; INPUT: R24 = key HEX code 0x00..0xFF
; R23 = INV flag (1=set)
; Z = clear if INV flag was set (=brne)
; ----------------------------------------------------------------------------
.global ExecInt
ExecInt:
breq 1f ; not INV
; ----- INV, fraction
rcall __EditStop ; stop edit mode
rcall Calc
; offset 0
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_DUP ; duplicate
.byte C_TRUNC ; trunc x
.byte C_SUB ; subtract
.byte C_JMP ; jump
.byte 6 ; jump to offset 12 (12-6=6)
; offset 6
.balign 2
; offset 6
; ----- not INV, integer
1: rcall __EditStop ; stop edit mode
rcall Calc
; offset 0 (10)
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_TRUNC ; trunc x
; offset 2 (12)
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
; ----------------------------------------------------------------------------
; Round (0x5d)
; ----------------------------------------------------------------------------
; INPUT: R24 = key HEX code 0x00..0xFF
; R23 = INV flag (1=set)
; Z = clear if INV flag was set (=brne)
; ----------------------------------------------------------------------------
.global ExecRound
ExecRound:
brne 4f ; INV flag set
; ----- not INV, calculate round(x)
rcall __EditStop ; stop edit mode
rcall Calc
; offset 0
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_ROUND ; round
.byte C_JMP ; jump
.byte 8 ; jump to offset 12 (12-4=8)
; offset 4
; ----- INV, fractional of floor(x)
4: rcall __EditStop ; stop edit mode
rcall Calc
; offset 0 (8)
.byte C_GETMEM(REG_X) ; load X into stack
.byte C_DUP ; duplicate (x,x)
.byte C_FLOOR ; round down (x,floor(x))
.byte C_SUB ; difference 0..1 (x-floor(x))
; offset 4 (12)
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END ; end
.balign 2 ; align
; DESTROYS: R0
rjmp _Disp ; display all
; ----------------------------------------------------------------------------
; sinh (0x3C)
; ----------------------------------------------------------------------------
; INPUT: R24 = key HEX code 0x00..0xFF
; R23 = INV flag (1=set)
; Z = clear if INV flag was set (=brne)
; ----------------------------------------------------------------------------
.global ExecSinH
ExecSinH:
breq 1f ; no INV
; INV - arsh(x) = ln(x + sqrt(x^2 + 1))
rcall __EditStop ; stop edit mode
rcall Calc
; offset 0
.byte C_GETMEM(REG_X) ; load X into stack (x)
.byte C_DUP ; duplicate (x,x)
.byte C_SQR ; square (x,x^2)
.byte C_INC ; increment (x,x^2+1)
.byte C_SQRT ; square root (x,sqrt(x^2+1))
.byte C_ADD ; add (x+sqrt(x^2+1))
.byte C_LN ; logarithm (y)
.byte C_JMP ; jump
.byte 11 ; jump to offset 20 (20-9=11)
; offset 9
.balign 2
; offset 10
; not INV: sinh(x) = (e^x - e^-x)/2
1: rcall __EditStop ; stop edit mode
rcall Calc
; offset 0 (14)
.byte C_GETMEM(REG_X) ; load X into stack (x)
.byte C_EXP ; exponent (e)
.byte C_DUP ; duplicate (e,e)
.byte C_REC ; reciprocal value (e,1/e)
.byte C_SUB ; subtract (e-1/e)
.byte C_DIV2 ; divide/2 ((e-1/e)/2)
; offset 6 (20)
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
; ----------------------------------------------------------------------------
; cosh (0x3D)
; ----------------------------------------------------------------------------
; INPUT: R24 = key HEX code 0x00..0xFF
; R23 = INV flag (1=set)
; Z = clear if INV flag was set (=brne)
; ----------------------------------------------------------------------------
.global ExecCosH
ExecCosH:
breq 1f ; no INV
; INV - arch(x) = ln(x + sqrt(x^2 - 1))
rcall __EditStop ; stop edit mode
rcall Calc
; offset 0
.byte C_GETMEM(REG_X) ; load X into stack (x)
.byte C_DUP ; duplicate (x,x)
.byte C_SQR ; square (x,x^2)
.byte C_DEC ; decrement (x,x^2-1)
.byte C_SQRT ; square root (x,sqrt(x^2-1))
.byte C_ADD ; add (x+sqrt(x^2-1))
.byte C_LN ; logarithm (y)
.byte C_JMP ; jump
.byte 11 ; jump to offset 20 (20-9=11)
; offset 9
.balign 2
; offset 10
; not INV: cosh(x) = (e^x + e^-x)/2
1: rcall __EditStop ; stop edit mode
rcall Calc
; offset 0 (14)
.byte C_GETMEM(REG_X) ; load X into stack (x)
.byte C_EXP ; exponent (e)
.byte C_DUP ; duplicate (e,e)
.byte C_REC ; reciprocal value (e,1/e)
.byte C_ADD ; add (e+1/e)
.byte C_DIV2 ; divide/2 ((e+1/e)/2)
; offset 6 (20)
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all
; ----------------------------------------------------------------------------
; tanh (0x3E)
; ----------------------------------------------------------------------------
; INPUT: R24 = key HEX code 0x00..0xFF
; R23 = INV flag (1=set)
; Z = clear if INV flag was set (=brne)
; ----------------------------------------------------------------------------
.global ExecTanH
ExecTanH:
breq 1f ; no INV
; INV - arth(x) = ln((1 + x)/(1 - x))/2
rcall __EditStop ; stop edit mode
rcall Calc
; offset 0
.byte C_GETMEM(REG_X) ; load X into stack (x)
.byte C_DUP ; duplicate (x,x)
.byte C_INC ; increment (x,x+1)
.byte C_EXC ; exchange (x+1,x)
.byte C_DEC ; decrement (x+1,x-1)
.byte C_NEG ; negate (1+x,1-x)
.byte C_DIV ; divide ((1+x)/(1-x))
.byte C_LN ; logarithm (ln((1+x)/(1-x)))
.byte C_DIV2 ; divide/2
.byte C_JMP ; jump
.byte 13 ; jump to offset 24 (24-11=13)
; offset 11
.balign 2
; offset 12
; not INV: tanh(x) = (e^2x - 1) / (e^2x + 1)
1: rcall __EditStop ; stop edit mode
rcall Calc
; offset 0 (16)
.byte C_GETMEM(REG_X) ; load X into stack (x)
.byte C_MUL2 ; multiply*2 (x*2)
.byte C_EXP ; exponent (e^2x)
.byte C_DUP ; duplicate (e,e)
.byte C_DEC ; decrement (e,e-1)
.byte C_EXC ; exchange (e-1,e)
.byte C_INC ; increment (e-1,e+1)
.byte C_DIV ; divide (y)
; offset 8 (24)
.byte C_SETMEMDEL(REG_X) ; set X back from stack
.byte C_END
.balign 2
; DESTROYS: R0
rjmp _Disp ; display all