godzil/quickdev16
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get sram restore working and make the switch to quickdev loader more

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mature
This commit is contained in:
David Voswinkel
2009-08-08 16:04:45 +02:00
parent df167b285e
commit dbff180a91
4 changed files with 24 additions and 24 deletions
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10
avr/usbload/shared_memory.c
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@@ -73,6 +73,7 @@ void shared_memory_write(uint8_t cmd, uint8_t value)
debug(DEBUG_SHM,"shared_memory_write: 0x%04x=0x%02x 0x%04x=0x%02x \n",
SHARED_MEM_TX_LOC_CMD, cmd, SHARED_MEM_TX_LOC_PAYLOAD, value);
sram_bulk_addr_save();
shared_memory_scratchpad_tx_save();
shared_memory_irq_hook();
@@ -81,6 +82,7 @@ void shared_memory_write(uint8_t cmd, uint8_t value)
sram_write(SHARED_MEM_TX_LOC_PAYLOAD, value);
snes_hirom();
snes_wr_disable();
snes_bus_active();
#if SHARED_MEM_SWITCH_IRQ
@@ -94,10 +96,14 @@ void shared_memory_write(uint8_t cmd, uint8_t value)
#endif
avr_bus_active();
snes_irq_lo();
snes_irq_off();
snes_lorom();
snes_wr_disable();
shared_memory_scratchpad_tx_restore();
shared_memory_irq_restore();
//sram_bulk_addr_restore();
}
@@ -124,6 +130,7 @@ int shared_memory_read(uint8_t *cmd, uint8_t *len,uint8_t *buffer)
if (state != SHARED_MEM_RX_AVR_ACK){
return 1;
}
sram_bulk_addr_save();
*cmd = sram_read(SHARED_MEM_RX_LOC_CMD);
*len = sram_read(SHARED_MEM_RX_LOC_LEN);
@@ -134,6 +141,7 @@ int shared_memory_read(uint8_t *cmd, uint8_t *len,uint8_t *buffer)
sram_write(SHARED_MEM_RX_LOC_STATE, SHARED_MEM_RX_AVR_RTS);
snes_hirom();
snes_wr_disable();
snes_bus_active();
#if SHARED_MEM_SWITCH_IRQ
@@ -148,5 +156,7 @@ int shared_memory_read(uint8_t *cmd, uint8_t *len,uint8_t *buffer)
avr_bus_active();
snes_lorom();
snes_wr_disable();
sram_bulk_addr_restore();
return 0;
}