X-Git-Url: https://git.llucax.com/z.facultad/66.09/etherled.git/blobdiff_plain/05000dec2685a88aaf9bd3c20c8861e62c94696c..afe814271b1b8c0519595d12d5a9cad8a24a3cc9:/src/dp8390.h

diff --git a/src/dp8390.h b/src/dp8390.h
index 2f0f9b8..dfd19d6 100644
--- a/src/dp8390.h
+++ b/src/dp8390.h
@@ -24,15 +24,15 @@ sbit IOR = CTRL_PORT^5;     // ISA slot pin B14, RTL8019AS pin 29, active low
 sbit NICE = CTRL_PORT^2;    // A7, usado para activar placa de red
 #endif
 
-// Configuración de paǵinas de buffers
-#define TX_PAGE_START  0x40      // 0x4000 Tx buffer:  6 * 256 = 1536 bytes
-#define RX_PAGE_START  0x46      // 0x4600 Rx buffer: 26 * 256 = 6656 bytes
-#define RX_PAGE_STOP   0x60      // 0x6000
-
 // Límites de tamaño de paquete
 #define MIN_PACKET_LEN 60u  // Mínimo permitido por 802.3
 #define MAX_PACKET_LEN 128u // Mínimo permitido por nuestra escasa memoria =)
 
+// Configuración de paǵinas de buffers
+#define TX_PAGE_START  0x40 // 0x4000 Tx buffer: 256 bytes (usamos 128)
+#define RX_PAGE_START  0x41 // 0x4600 Rx buffer: 31 * 256 = 7936 bytes
+#define RX_PAGE_STOP   0x60 // 0x6000
+
 // Register base address
 #define REG_BASE 0x0000 // Hardwired to 0x0300
 
@@ -137,6 +137,7 @@ sbit NICE = CTRL_PORT^2;    // A7, usado para activar placa de red
     // Each enable bit correspons with an interrupt flag in ISR
 
 // Page 1 read/write registers.
+#define PAR_BASE     REG_BASE + 0x01   // Physical address register base address
 #define PAR0         REG_BASE + 0x01   // Physical address register 0
 #define PAR1         REG_BASE + 0x02   // Physical address register 1
 #define PAR2         REG_BASE + 0x03   // Physical address register 2