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Programs.cpp
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#include <Arduino.h>
#include "Config.h"
#include "CPU.h"
#include "Programs.h"
// A really simple two-pass "assembler"
#define pc(_a) m_iIndex=_a;
#define op2(_a, _b) m_pMemory[m_iIndex++]=_a; m_pMemory[m_iIndex++]=_b;
#define op1(_a) m_pMemory[m_iIndex++]=_a;
#define equ(_a) m_pMemory[m_iIndex++]=_a;
#define lbl(_l) m_iPass?m_pLabels[_l]:0
#define def(_l) m_pLabels[_l] = m_iIndex;
#define SYSX_WRITE(_a) (0x80 | (_a))
#define SYSX_READ(_a) (_a)
#define SYSX 0360
#define HALT 0000
// c - const
#define LDAc 0023
#define LDBc 0123
#define LDXc 0223
#define SUAc 0013
#define SUBc 0113
#define SUXc 0213
#define ADAc 0003
#define ADBc 0103
#define ADXc 0203
#define ANDc 0323
// a - addr
#define STAa 0034
#define STBa 0134
#define STXa 0234
#define LDAa 0024
#define LDBa 0124
#define LDXa 0224
#define ADAa 0004
#define ADBa 0104
#define ADXa 0204
#define SUAa 0014
// x - indexed
#define LDAx 0026
// b - bit ops
#define SETb(_bit) (0002 | (_bit << 3))
#define CLRb(_bit) (0102 | (_bit << 3))
#define SKCb(_bit) (0202 | (_bit << 3)) // skip if bit clear
#define SKSb(_bit) (0302 | (_bit << 3)) // skip if bit set
#define JMPu 0343
#define RETa 0353
#define JSRa 0363
byte* Programs::m_pMemory;
byte Programs::m_iIndex;
byte Programs::m_pLabels[32];
byte Programs::m_iPass;
void Programs::AssembleSetRTC(byte* pMem)
{
m_pMemory = pMem;
enum { SetTime, Hr, Min };
for (m_iPass = 0; m_iPass < 2; m_iPass++)
{
// 0 is hr, 1 is min (BCD)
pc(2)
equ(0000)
equ(0004)
def(SetTime)
op2(STAa, lbl(Hr)) // copy out of "registers"
op2(STBa, lbl(Min))
// set hr
op2(LDAc, 128 + Config::eClockHours24)
op2(LDBa, lbl(Hr))
op1(SYSX)
// set min
op2(LDAc, 128 + Config::eClockMinutes)
op2(LDBa, lbl(Min))
op1(SYSX)
// set secs
op2(LDAc, 128 + Config::eClockSeconds)
op2(LDBc, 0)
op1(SYSX)
op1(HALT) // done, but ...
op2(JMPu, lbl(SetTime)) // ... be ready to run again
def(Hr)
equ(0)
def(Min)
equ(0)
}
}
void Programs::AssembleCountClock(byte* pMem)
{
enum { ShowHr, Display, Blink, HrTab, DoBlink, BlinkLoop, MinLoop, MinTab10s, MinTab5s, SaveBlink, EvenX, BCD2Dec, BCDfix, BCDloop, BCDdone };
m_pMemory = pMem;
for (m_iPass = 0; m_iPass < 2; m_iPass++)
{
pc(0)
equ(0000)
equ(0000)
equ(0000)
equ(0004)
// init
op2(LDAc, 0xFF)
op1(SYSX) // SYS got extensions?
op2(0272, REG_A_IDX) // skip next two if A has b7 not set
op1(0300) // noop
op1(0000) // halt, no extensions
op2(LDAc, 128 + Config::eControlLEDs)
op2(LDBc, 0000) // LDB #0
op1(SYSX) // SYS clear control LEDs
def(ShowHr)
op2(LDAc, Config::eClockHours24)
op1(SYSX) // SYS get hr-24 BCD
op2(0363, lbl(BCD2Dec))
op2(STBa, lbl(Display)) // B has hour
op2(LDAa, lbl(Display)) // A has hour
op2(SUAc, 12) // A -=12
op2(0272, REG_A_IDX) // skip if b7 clear
op2(LDAa, lbl(Display)) // reload A (hr)
op2(STAa, lbl(Display)) // save A (hr)
op2(LDXa, lbl(Display)) // X has hour
op2(LDAx, lbl(HrTab)) // look up A
op2(STAa, lbl(Display)) // save A (hr)
op2(LDAc, 0000) // LDA #0 (no blink)
op2(STAa, lbl(Blink)) // save A (blink)
op2(0363, lbl(DoBlink))
op2(LDAc, Config::eClockMinutes)
op1(SYSX) // SYS get min BCD
op2(0363, lbl(BCD2Dec))
op2(STBa, lbl(Display)) // B has mims
op2(LDXc, 255) // X counts 5's
def(MinLoop)
op2(ADXc, 1)
op2(SUBc, 5) // B -= 5
op2(0372, REG_B_IDX) // skip if b7 SET
op2(JMPu, lbl(MinLoop))
op2(0302, REG_X_IDX) // skip if b0 SET (odd)
op2(JMPu, lbl(EvenX))
op2(LDAx, lbl(MinTab5s)) // look up A
op2(STAa, lbl(Display)) // save A (hr)
op2(LDAx, lbl(MinTab10s)) // look up A
op2(ADAc, 0200) // LDA #128 (blink)
op2(JMPu, lbl(SaveBlink))
def(EvenX)
op2(LDAx, lbl(MinTab10s)) // look up A
op2(STAa, lbl(Display)) // save A (hr)
op2(LDAc, 0200) // LDA #128 (blink)
def(SaveBlink)
op2(STAa, lbl(Blink)) // save A (blink)
op2(0363, lbl(DoBlink))
op2(JMPu, lbl(ShowHr))
def(DoBlink)
op1(0300) // NOOP: space for the return addr
op2(LDXc, 5) // LDX with counter
op2(LDAa, lbl(Display)) // load (display)
def(BlinkLoop)
op2(STAa, REG_OUTPUT_IDX) // Show it
op2(LDAc, 128 + Config::eControlDelayMilliSec)
op2(LDBc, 250) // LDB #250
op1(SYSX) // SYS sleep 250ms
op1(SYSX) // SYS sleep 250ms
op2(LDAa, REG_OUTPUT_IDX) // reload A
op2(ADAa, lbl(Blink)) // add blink mask
op2(STAa, REG_OUTPUT_IDX) // Show it
op2(LDAc, 128 + Config::eControlDelayMilliSec)
op2(LDBc, 250) // LDB #250
op1(SYSX) // SYS sleep 250ms
op1(SYSX) // SYS sleep 250ms
op2(LDAa, REG_OUTPUT_IDX) // reload A
op2(SUAa, lbl(Blink)) // subtract blink mask
op2(SUXc, 1) // dec blink ctr
op2(0254, lbl(DoBlink)) // if 0 return
op2(JMPu, lbl(BlinkLoop))
pc(0204) // skip over the "flag" bytes
def(BCD2Dec) // B has BCD, B returned in Dec
op1(0300) // NOOP: space for the return addr
op2(LDAa, 1)
op2(LDBc, 0)
op2(0045, lbl(BCDfix)) // A<0
def(BCDloop)
op2(SUAc, 0020)
op2(0045, lbl(BCDdone)) // A<0
op2(ADBc, 0012)
op2(JMPu, lbl(BCDloop))
def(BCDfix)
op2(SUAc, 0200)
op2(ADBc, 0120)
op2(JMPu, lbl(BCDloop))
def(BCDdone)
op2(ADAc, 0020)
op2(ADBa, 0000)
op2(0353, lbl(BCD2Dec)) // return
def(Display)
equ(0000)
def(Blink)
equ(0000)
def(HrTab)
equ(0277) // 12
equ(0001) // 1
equ(0003)
equ(0007)
equ(0017)
equ(0037)
equ(0077)
equ(0201) // 7
equ(0203)
equ(0207)
equ(0217)
equ(0237) // 11
def(MinTab5s) // offset to 5min entries, LED to blink
equ(0000)
def(MinTab10s) // offset to 10min entries, solid LEDs
equ(0000) // 0
equ(0001) // 5
equ(0001) // 10
equ(0002) // 15
equ(0003) // 20
equ(0004) // 25
equ(0007) // 30
equ(0010) // 35
equ(0017) // 40
equ(0020) // 45
equ(0037) // 50
equ(0040) // 55
}
}
void Programs::AssembleBCDClock(byte* pMem)
{
enum { ShowHr, ScrollLeft, Left, Right, Display, Mins, Hours, Blink, HrBCDTab, DoBlink, BlinkLoop, BCD2Dec, BCDfix, BCDloop, BCDdone };
m_pMemory = pMem;
for (m_iPass = 0; m_iPass < 2; m_iPass++)
{
pc(0)
equ(0000)
equ(0000)
equ(0000)
equ(0004)
// init
op2(LDAc, 0xFF)
op1(SYSX) // SYS got extensions?
op2(0272, REG_A_IDX) // skip next two if A has b7 not set
op1(0300) // noop
op1(0000) // halt, no extensions
op2(LDAc, 128 + Config::eControlLEDs)
op2(LDBc, 0000) // LDB #0
op1(SYSX) // SYS clear control LEDs
def(ShowHr)
op2(LDAc, Config::eClockHours24)
op1(SYSX) // SYS get hr-24 BCD
op2(0363, lbl(BCD2Dec))
op2(STBa, lbl(Display)) // B has hour
op2(LDAa, lbl(Display)) // A has hour
op2(SUAc, 12) // A -=12
op2(0272, REG_A_IDX) // skip if b7 clear
op2(LDAa, lbl(Display)) // reload A (hr)
op2(STAa, lbl(Display)) // save A (hr)
op2(LDXa, lbl(Display)) // X has hour
op2(LDAx, lbl(HrBCDTab)) // look up A as BCD
op2(STAa, lbl(Display)) // save A (hr)
op2(STAa, lbl(Hours))
op2(LDAc, 0000) // LDA #0 (no blink)
op2(STAa, lbl(Blink)) // save A (blink)
op2(0363, lbl(DoBlink))
op2(LDAc, Config::eClockMinutes)
op1(SYSX) // SYS get min BCD
op2(0363, lbl(ScrollLeft))
op2(LDAc, 0200) // LDA #128 (blink)
op2(STAa, lbl(Blink)) // save A (blink)
op2(0363, lbl(DoBlink))
op2(LDXc, 8)
def(Right)
// scroll right
op2(LDAa, lbl(Display))
op1(0011) //right shift A 1
op2(STAa, lbl(Display))
op2(LDAa, lbl(Hours))
op1(0111) //right roll A 1
op2(STAa, lbl(Hours))
op2(ANDc, 0100)
op2(ADAa, lbl(Display))
op2(STAa, lbl(Display))
op2(STAa, REG_OUTPUT_IDX)
op2(LDAc, 128 + Config::eControlDelayMilliSec)
op2(LDBc, 100)
op1(SYSX) // SYS sleep
op2(SUXc, 1)
op2(0243, lbl(Right))
op2(JMPu, lbl(ShowHr))
def(DoBlink)
op1(0300) // NOOP: space for the return addr
op2(LDXc, 5) // LDX with counter
op2(LDAa, lbl(Display)) // load (display)
def(BlinkLoop)
op2(STAa, REG_OUTPUT_IDX) // Show it
op2(LDAc, 128 + Config::eControlDelayMilliSec)
op2(LDBc, 250) // LDB #250
op1(SYSX) // SYS sleep 250ms
op1(SYSX) // SYS sleep 250ms
op2(LDAa, REG_OUTPUT_IDX) // reload A
op2(ADAa, lbl(Blink)) // add blink mask
op2(STAa, REG_OUTPUT_IDX) // Show it
op2(LDAc, 128 + Config::eControlDelayMilliSec)
op2(LDBc, 250) // LDB #250
op1(SYSX) // SYS sleep 250ms
op1(SYSX) // SYS sleep 250ms
op2(LDAa, REG_OUTPUT_IDX) // reload A
op2(SUAa, lbl(Blink)) // subtract blink mask
op2(SUXc, 1) // dec blink ctr
op2(0254, lbl(DoBlink)) // if 0 return
op2(JMPu, lbl(BlinkLoop))
pc(0204) // skip over the "flag" bytes
def(ScrollLeft)
op1(0300) // NOOP: space for the return addr
op2(STBa, lbl(Mins)) // B has mims
op2(LDXc, 8)
def(Left)
// scroll left
op2(LDAa, lbl(Display))
op1(0211) //left shift A 1
op2(STAa, lbl(Display))
op2(LDAa, lbl(Mins))
op1(0311) //left roll A 1
op2(STAa, lbl(Mins))
op2(ANDc, 0001)
op2(ADAa, lbl(Display))
op2(STAa, lbl(Display))
op2(STAa, REG_OUTPUT_IDX)
op2(LDAc, 128 + Config::eControlDelayMilliSec)
op2(LDBc, 100)
op1(SYSX) // SYS sleep
op2(SUXc, 1)
op2(0243, lbl(Left))
op2(0254, lbl(ScrollLeft)) // return to caller
def(BCD2Dec) // B has BCD, B returned in Dec
op1(0300) // NOOP: space for the return addr
op2(LDAa, 1)
op2(LDBc, 0)
op2(0045, lbl(BCDfix)) // A<0
def(BCDloop)
op2(SUAc, 0020)
op2(0045, lbl(BCDdone)) // A<0
op2(ADBc, 0012)
op2(JMPu, lbl(BCDloop))
def(BCDfix)
op2(SUAc, 0200)
op2(ADBc, 0120)
op2(JMPu, lbl(BCDloop))
def(BCDdone)
op2(ADAc, 0020)
op2(ADBa, 0000)
op2(0353, lbl(BCD2Dec)) // return
def(Display)
equ(0000)
def(Mins)
equ(0000)
def(Hours)
equ(0000)
def(Blink)
equ(0000)
def(HrBCDTab)
equ(0x12) // 12
equ(0x01) // 1
equ(0x02)
equ(0x03)
equ(0x04)
equ(0x05)
equ(0x06)
equ(0x07) // 7
equ(0x08)
equ(0x09)
equ(0x10)
equ(0x11) // 11
}
}
void Programs::AssembleBinClock(byte* pMem)
{
enum { ShowHr, Display, Blink, HrBinTab, DoBlink, BlinkLoop, BCD2Dec, BCDfix, BCDloop, BCDdone };
m_pMemory = pMem;
for (m_iPass = 0; m_iPass < 2; m_iPass++)
{
pc(0)
equ(0000)
equ(0000)
equ(0000)
equ(0004)
// init
op2(LDAc, 0xFF)
op1(SYSX) // SYS got extensions?
op2(0272, REG_A_IDX) // skip next two if A has b7 not set
op1(0300) // noop
op1(0000) // halt, no extensions
op2(LDAc, 128 + Config::eControlLEDs)
op2(LDBc, 0000) // LDB #0
op1(SYSX) // SYS clear control LEDs
def(ShowHr)
op2(LDAc, Config::eClockHours24)
op1(SYSX) // SYS get hr-24 BCD
op2(0363, lbl(BCD2Dec))
op2(STBa, lbl(Display)) // B has hour
op2(LDAa, lbl(Display)) // A has hour
op2(SUAc, 12) // A -=12
op2(0272, REG_A_IDX) // skip if b7 clear
op2(LDAa, lbl(Display)) // reload A (hr)
op2(STAa, lbl(Display)) // save A (hr)
op2(LDXa, lbl(Display)) // X has hour
op2(LDAx, lbl(HrBinTab)) // look up A as binary
op2(STAa, REG_B_IDX)
op2(LDAc, 128 + Config::eControlLEDs)
op1(SYSX) // write the hour to the 4 ctrl LEDs
op2(LDAc, Config::eClockMinutes)
op1(SYSX) // SYS get min BCD
op2(0363, lbl(BCD2Dec))
op2(STBa, lbl(Display)) // B has minutes
op2(LDAc, 0200) // LDA #128 (blink)
op2(STAa, lbl(Blink)) // save A (blink)
op2(0363, lbl(DoBlink))
op2(JMPu, lbl(ShowHr))
def(DoBlink)
op1(0300) // NOOP: space for the return addr
op2(LDXc, 8) // LDX with counter
op2(LDAa, lbl(Display)) // load (display)
def(BlinkLoop)
op2(STAa, REG_OUTPUT_IDX) // Show it
op2(LDAc, 128 + Config::eControlDelayMilliSec)
op2(LDBc, 250) // LDB #250
op1(SYSX) // SYS sleep 250ms
op1(SYSX) // SYS sleep 250ms
op2(LDAa, REG_OUTPUT_IDX) // reload A
op2(ADAa, lbl(Blink)) // add blink mask
op2(STAa, REG_OUTPUT_IDX) // Show it
op2(LDAc, 128 + Config::eControlDelayMilliSec)
op2(LDBc, 250) // LDB #250
op1(SYSX) // SYS sleep 250ms
op1(SYSX) // SYS sleep 250ms
op2(LDAa, REG_OUTPUT_IDX) // reload A
op2(SUAa, lbl(Blink)) // subtract blink mask
op2(SUXc, 1) // dec blink ctr
op2(0254, lbl(DoBlink)) // if 0 return
op2(JMPu, lbl(BlinkLoop))
pc(0204) // skip over the "flag" bytes
def(BCD2Dec) // B has BCD, B returned in Dec
op1(0300) // NOOP: space for the return addr
op2(LDAa, 1)
op2(LDBc, 0)
op2(0045, lbl(BCDfix)) // A<0
def(BCDloop)
op2(SUAc, 0020)
op2(0045, lbl(BCDdone)) // A<0
op2(ADBc, 0012)
op2(JMPu, lbl(BCDloop))
def(BCDfix)
op2(SUAc, 0200)
op2(ADBc, 0120)
op2(JMPu, lbl(BCDloop))
def(BCDdone)
op2(ADAc, 0020)
op2(ADBa, 0000)
op2(0353, lbl(BCD2Dec)) // return
def(Display)
equ(0000)
def(Blink)
equ(0000)
def(HrBinTab)
// bits are reverse order, b0 is the left-most ctrl LED, value of 8
equ(3) // 12
equ(8) // 1
equ(4)
equ(12)
equ(2)
equ(10)
equ(6)
equ(14) // 7
equ(1)
equ(9)
equ(5)
equ(13) // 11
}
}
void Programs::AssembleDBL(byte* pMem)
{
// Das Blinken Lights
enum { Loop, Temp };
m_pMemory = pMem;
byte Delay = 20;
for (m_iPass = 0; m_iPass < 2; m_iPass++)
{
pc(0)
equ(0000)
equ(0000)
equ(0000)
equ(0004)
op2(LDAc, 128 + Config::eControlLEDs)
op2(LDBc, 0000) // LDB #0
op1(SYSX) // SYS clear control LEDs
op2(LDAc, 128 + Config::eControlRandom)
op2(LDBc, 0)
op1(SYSX) // randomize
def(Loop)
op2(LDAc, Config::eControlRandom)
op1(SYSX) // random
op2(STBa, REG_X_IDX)
op2(LDAc, Config::eControlRandom)
op1(SYSX) // random
// mask off the PWM
op2(STBa, Temp)
op2(STBa, REG_A_IDX)
op2(0323, 0x0F) // AND
op2(STAa, REG_B_IDX)
op2(LDAc, 128 + Config::eControlLEDs)
op1(SYSX) // ctrl LEDs
op2(LDAc, 128 + Config::eControlDelayMilliSec)
op2(LDBc, Delay)
op1(SYSX) // SYS sleep
op2(LDAa, Temp)
op1(0001) // shift A right 4
op2(STAa, REG_B_IDX)
op2(LDAc, 128 + Config::eControlLEDs)
op1(SYSX) // ctrl LEDs
op2(STXa, REG_OUTPUT_IDX)
op2(LDAc, 128 + Config::eControlDelayMilliSec)
op2(LDBc, Delay*2)
op1(SYSX) // SYS sleep
op2(JMPu, lbl(Loop))
def(Temp)
equ(0)
}
}
#if 1
// doing this frees up about 4k
const byte programSieve[] PROGMEM =
{
0000,0000,0000,0004,0034,0200,0223,0200,0023,0002,0363,0111,0203,0001,0023,0003,
0363,0111,0003,0002,0203,0001,0243,0020,0223,0200,0203,0001,0363,0140,0044,0066,
0234,0171,0363,0140,0034,0167,0204,0000,0212,0203,0343,0064,0023,0000,0363,0111,
0204,0167,0343,0050,0224,0171,0203,0001,0243,0034,0223,0200,0363,0140,0044,0103,
0034,0200,0000,0203,0001,0243,0074,0343,0072,0300,0234,0170,0234,0001,0113,0204,
0146,0132,0213,0004,0036,0000,0224,0170,0353,0111,0036,0000,0224,0170,0353,0111,
0300,0234,0170,0234,0001,0113,0204,0146,0161,0213,0004,0026,0000,0224,0170,0353,
0140,0026,0000,0224,0170,0353,0140,0000
};
void Programs::AssembleSieve(byte* pMem)
{
memcpy_P(pMem, programSieve, 120);
}
#else
void Programs::AssembleSieve(byte* pMem)
{
// Sieve of Eratosthenes, primes up to 255
enum { Init, Sieve, Sieve1, Sieve2, Dump, List, List1, Zero, TempA, TempX, PrevX, vWrite, vWriteGE, vRead, vReadGE,
Table = 0200 // virtual start address, chosen so we seed the list up to 255 (and don't wrap)
};
m_pMemory = pMem;
for (m_iPass = 0; m_iPass < 2; m_iPass++)
{
pc(0)
equ(0000)
equ(0000)
equ(0000)
equ(0004)
op2(STAa, REG_OUTPUT_IDX)
// build a list of 2, followed by ODD numbers to 255 and apply the sieve
// the list overlays the 0200 (OUTPUT) and flags bytes (we don't have enough contiguous memory)
// so use "virtual" read and write which adjust the X appropriately
op2(LDXc, Table)
op2(LDAc, 2)
op2(JSRa, lbl(vWrite))
op2(ADXc, 1)
op2(LDAc, 3)
def(Init)
op2(JSRa, lbl(vWrite))
op2(ADAc, 2)
op2(ADXc, 1)
op2(0243, lbl(Init))
op2(LDXc, Table)
op2(ADXc, 1)
def(Sieve)
op2(JSRa, lbl(vRead))
op2(0044, lbl(Zero)) // slot is zero
// do a sweep
op2(STXa, lbl(PrevX))
op2(JSRa, lbl(vRead))
op2(STAa, lbl(TempA))
op2(ADXa, REG_A_IDX)
def(Sieve1)
op2(0212, REG_FLAGS_X_IDX) // skip if (Xcarry clear)
op2(JMPu, lbl(Sieve2)) // if carry
op2(LDAc, 0)
op2(JSRa, lbl(vWrite))
op2(ADXa, lbl(TempA))
op2(JMPu, lbl(Sieve1))
def(Sieve2)
op2(LDXa, lbl(PrevX))
def(Zero)
op2(ADXc, 1)
op2(0243, lbl(Sieve))
def(Dump)
op2(LDXc, Table)
def(List)
op2(JSRa, lbl(vRead))
op2(0044, lbl(List1)) //if (A==0) List1
op2(STAa, REG_OUTPUT_IDX)
op1(HALT) // WAIT
def(List1)
op2(ADXc, 1)
op2(0243, lbl(List))
op2(JMPu, lbl(Dump))
def(vWrite) // virtual write Table[X] = A
op1(0300) // NOOP: space for the return addr
op2(STXa, lbl(TempX))
op2(STXa, REG_B_IDX)
op2(SUBc, 0204) // B = B - 0204
op2(0146, lbl(vWriteGE)) // B >=0
op2(SUXc, 4)
op2(0036, 0) // STA, X
op2(LDXa, lbl(TempX))
op2(RETa, lbl(vWrite))
def(vWriteGE)
op2(0036, 0)
op2(LDXa, lbl(TempX))
op2(RETa, lbl(vWrite))
def(vRead) // virtual read A = Table[X]
op1(0300) // NOOP: space for the return addr
op2(STXa, lbl(TempX))
op2(STXa, REG_B_IDX)
op2(SUBc, 0204)
op2(0146, lbl(vReadGE))
op2(SUXc, 4)
op2(0026, 0)
op2(LDXa, lbl(TempX))
op2(RETa, lbl(vRead))
def(vReadGE)
op2(0026, 0)
op2(LDXa, lbl(TempX))
op2(RETa, lbl(vRead))
def(TempA)
equ(0000)
def(TempX)
equ(0000)
def(PrevX)
equ(0000)
}
}
#endif