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Fix performance regression. Avoid array copy.

This commit is contained in:
Ivan Izaguirre 2019-10-19 18:41:10 +02:00
parent df41114043
commit c65d8585d4
1 changed files with 3 additions and 3 deletions
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6
memoryManager.go
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@ -33,7 +33,7 @@ const (
ioC8Off uint16 = 0xCFFF ioC8Off uint16 = 0xCFFF
) )
func (mmu *memoryManager) access(address uint16, activeMemory [256]memoryHandler) memoryHandler { func (mmu *memoryManager) access(address uint16, activeMemory *[256]memoryHandler) memoryHandler {
if address == ioC8Off { if address == ioC8Off {
mmu.resetSlotExpansionRoms() mmu.resetSlotExpansionRoms()
} }
@ -54,7 +54,7 @@ func (mmu *memoryManager) access(address uint16, activeMemory [256]memoryHandler
// Peek returns the data on the given address // Peek returns the data on the given address
func (mmu *memoryManager) Peek(address uint16) uint8 { func (mmu *memoryManager) Peek(address uint16) uint8 {
mh := mmu.access(address, mmu.activeMemoryRead) mh := mmu.access(address, &mmu.activeMemoryRead)
if mh == nil { if mh == nil {
return 0xf4 // Or some random number return 0xf4 // Or some random number
} }
@ -63,7 +63,7 @@ func (mmu *memoryManager) Peek(address uint16) uint8 {
// Poke sets the data at the given address // Poke sets the data at the given address
func (mmu *memoryManager) Poke(address uint16, value uint8) { func (mmu *memoryManager) Poke(address uint16, value uint8) {
mh := mmu.access(address, mmu.activeMemoryWrite) mh := mmu.access(address, &mmu.activeMemoryWrite)
if mh == nil { if mh == nil {
return return
} }