p.c

int sub_6DC8(int assistantMode, signed int inputSpeedRpm, int assistantConfigAddress) {
    signed int targetRpm; // r4
    signed int asisstantCoefficient; // r3
    signed int i; // r6
    int power1; // r0
    int power2; // r2
    int rpmDiff; // r1
    int rawPowerDiff; // r1
    int powerDiff; // r1
    int resultPower; // r0
    int v12; // [sp+0h] [bp-30h]
    int v13; // [sp+4h] [bp-2Ch]
    int v14; // [sp+8h] [bp-28h]
    int v15; // [sp+Ch] [bp-24h]
    int v16; // [sp+10h] [bp-20h]
    int v17; // [sp+14h] [bp-1Ch]
    int v18; // [sp+18h] [bp-18h]
    int v19; // [sp+1Ch] [bp-14h]

    targetRpm = 0;
    asisstantCoefficient = 50; // 50 = full, 25 = half?
    if (inputSpeedRpm > 300) {
        inputSpeedRpm = 300;
    }
    for (i = 0; i < 8; ++i) {
        if (assistantMode == 1)
            *(&v12 + i) = *(unsigned int *) (i + assistantConfigAddress + 2);
        if (assistantMode == 2)
            *(&v12 + i) = *(unsigned int *) (i + assistantConfigAddress + 10);
        if (assistantMode == 3)
            *(&v12 + i) = *(unsigned int *) (i + assistantConfigAddress + 18);
        if (assistantMode == 4)
            *(&v12 + i) = *(unsigned int *) (i + assistantConfigAddress + 26);
        if (assistantMode == 5)
            *(&v12 + i) = *(unsigned int *) (i + assistantConfigAddress + 34);
    }
    if (inputSpeedRpm >= 50) {
        if (inputSpeedRpm >= 100) {
            if (inputSpeedRpm >= 150) {
                if (inputSpeedRpm >= 200) {
                    if (inputSpeedRpm >= 250) {
                        targetRpm = 275;
                        if (inputSpeedRpm >= 275) {
                            power2 = v19;
                            if (inputSpeedRpm >= 300) {
                                targetRpm = 300;
                                power1 = v19;
                            }
                            else {
                                asisstantCoefficient = 25;
                                power1 = v18;
                            }
                        }
                        else {
                            asisstantCoefficient = 25;
                            targetRpm = 250;
                            power1 = v17;
                            power2 = v18;
                        }
                    }
                    else {
                        targetRpm = 200;
                        power1 = v16;
                        power2 = v17;
                    }
                }
                else {
                    targetRpm = 150;
                    power1 = v15;
                    power2 = v16;
                }
            }
            else {
                targetRpm = 100;
                power1 = v14;
                power2 = v15;
            }
        }
        else {
            targetRpm = 50;
            power1 = v13;
            power2 = v14;
        }
    }
    else {
        power1 = v12;
        power2 = v13;
    }
    rpmDiff = inputSpeedRpm - targetRpm;
    if (power1 >= power2)
        rawPowerDiff = rpmDiff * (power1 - power2);
    else
        rawPowerDiff = rpmDiff * (power2 - power1);
    powerDiff = rawPowerDiff / asisstantCoefficient;
    if (power1 >= power2)
        resultPower = power1 - powerDiff;
    else
        resultPower = power1 + powerDiff;
    return resultPower;
}