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MB: removed redundant g_n6522TimerPeriod variable

This commit is contained in:
tomcw 2019-12-24 13:19:35 +00:00
parent 8567f0a651
commit e03b68b7f0
1 changed files with 0 additions and 9 deletions
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9
source/Mockingboard.cpp
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@ -161,7 +161,6 @@ struct SY6522_AY8910
static SY6522_AY8910 g_MB[NUM_AY8910];
// Timer vars
static ULONG g_n6522TimerPeriod = 0;
static const UINT kTIMERDEVICE_INVALID = -1;
static UINT g_nMBTimerDevice = kTIMERDEVICE_INVALID; // SY6522 device# which is generating timer IRQ
static UINT64 g_uLastCumulativeCycles = 0;
@ -227,9 +226,6 @@ static void StartTimer1(SY6522_AY8910* pMB)
{
pMB->bTimer1Active = true;
// 6522 CLK runs at same speed as 6502 CLK
g_n6522TimerPeriod = pMB->sy6522.TIMER1_LATCH.w;
if (pMB->sy6522.IER & IxR_TIMER1) // Using 6522 interrupt
g_nMBTimerDevice = pMB->nAY8910Number;
else if (pMB->sy6522.ACR & RM_FREERUNNING) // Polling 6522 IFR (GH#496)
@ -244,10 +240,6 @@ static void StartTimer1_LoadStateV1(SY6522_AY8910* pMB)
return;
pMB->bTimer1Active = true;
// 6522 CLK runs at same speed as 6502 CLK
g_n6522TimerPeriod = pMB->sy6522.TIMER1_LATCH.w;
g_nMBTimerDevice = pMB->nAY8910Number;
}
@ -1501,7 +1493,6 @@ void MB_Destroy()
static void ResetState()
{
g_n6522TimerPeriod = 0;
g_nMBTimerDevice = kTIMERDEVICE_INVALID;
g_uLastCumulativeCycles = 0;