Fix force redraw so hard reset not needed

CMakePresets.json

@@ -36,7 +36,9 @@
             "name": "debug",
             "cacheVariables": {
                 "CMAKE_BUILD_TYPE": "Debug",
-                "NV_LOG": "ON"
+                "NV_LOG": "ON",
+                "NV_LOG_ULTRA": "ON"
+
             },
             "inherits": "base"
         },

src/include/86box/nv/vid_nv4.h

@@ -20,12 +20,13 @@
 #include <stdint.h>
 #include <86Box/nv/vid_nv4_defines.h>
 
-
 //
-// PBUS/RMA
+// Structures
 //
 
-// Access the GPU from real-mode
+
+// PBUS
+// RMA: Access the GPU from real-mode
 typedef struct nv4_pbus_rma_s
 {
     uint32_t addr;                      // Address to RMA to
@@ -43,10 +44,8 @@ typedef struct nv4_pbus_s
     nv4_pbus_rma_t rma;
 } nv4_pbus_t;
 
-//
-// PTIMER
-//
 
+// PTIMER
 typedef struct nv4_ptimer_s
 {
     uint32_t interrupt_status;          // PTIMER Interrupt status
@@ -57,9 +56,7 @@ typedef struct nv4_ptimer_s
     uint32_t alarm;                     // The value of time when there should be an alarm
 } nv4_ptimer_t; 
 
-//
 // PRAMDAC
-//
 typedef struct nv4_pramdac_s
 {
     uint32_t mclk;
@@ -68,7 +65,7 @@ typedef struct nv4_pramdac_s
     uint32_t cursor_address;
 } nv4_pramdac_t;
 
-// Structures
+// Device Core
 typedef struct nv4_s
 {
     nv_base_t nvbase;   // Base Nvidia structure
@@ -78,10 +75,10 @@ typedef struct nv4_s
     nv4_pramdac_t pramdac;
 } nv4_t;
 
-
 //
 // Globals
 //
+
 extern const device_config_t nv4_config[];                              
 
 extern nv4_t* nv4;                                                      // Allocated at device startup
@@ -101,7 +98,7 @@ void        nv4_draw_cursor(svga_t* svga, int32_t drawline);
 void        nv4_recalc_timings(svga_t* svga);
 void        nv4_force_redraw(void* priv);
 
-// I/o
+// I/O
 uint8_t     nv4_mmio_read8(uint32_t addr, void* priv);
 uint16_t    nv4_mmio_read16(uint32_t addr, void* priv);
 uint32_t    nv4_mmio_read32(uint32_t addr, void* priv);
@@ -123,6 +120,7 @@ void        nv4_ramin_write32(uint32_t addr, uint32_t val, void* priv);
 uint8_t     nv4_pci_read(int32_t func, int32_t addr, void* priv);
 void        nv4_pci_write(int32_t func, int32_t addr, uint8_t val, void* priv);
 
+// PRAMDAC  
 
 uint8_t     nv4_svga_read(uint16_t addr, void* priv);
 void        nv4_svga_write(uint16_t addr, uint8_t val, void* priv);

src/video/nv/nv4/nv4_core.c

@@ -341,11 +341,6 @@ void nv4_recalc_timings(svga_t* svga)
 }
 
 
-void nv4_force_redraw(void* priv)
-{
-
-}
-
 // See if the bios rom is available.
 int32_t nv4_available(void)
 {

src/video/nv/nv4/nv4_core_io.c

@@ -884,7 +884,6 @@ uint8_t nv4_svga_read(uint16_t addr, void* priv)
             break;
     }
 
-    nv_log("SVGA read 0x%04x value 0x%02x\n", addr, ret);
 
     return ret; //TEMP
 }
@@ -1029,7 +1028,6 @@ void nv4_svga_write(uint16_t addr, uint8_t val, void* priv)
             break;
     }
 
-    nv_log("SVGA write 0x%04x value 0x%02x\n", addr, val);
 }
 
 /* DFB, sets up a dumb framebuffer */

src/video/nv/nv4/subsystems/nv4_pramdac.c

@@ -0,0 +1,16 @@
+/*
+* 86Box    A hypervisor and IBM PC system emulator that specializes in
+*          running old operating systems and software designed for IBM
+*          PC systems and compatibles from 1981 through fairly recent
+*          system designs based on the PCI bus.
+*
+*          This file is part of the 86Box distribution.
+*
+*          NV4/Riva TNT - RAMDAC
+*
+*
+* Authors: Connor Hyde, <mario64crashed@gmail.com> I need a better email address ;^)
+*
+*          Copyright 2024-2025 starfrost
+*/
+