Merge pull request #5404 from 86Box/tc1995

Vast overhaul for the Mach8/32/8514/A (March 29th, 2025)

src/include/86box/vid_8514a.h

@@ -18,6 +18,12 @@
 #ifndef VIDEO_8514A_H
 #define VIDEO_8514A_H
 
+#define INT_VSY         (1 << 0)
+#define INT_GE_BSY      (1 << 1)
+#define INT_FIFO_OVR    (1 << 2)
+#define INT_FIFO_EMP    (1 << 3)
+#define INT_MASK        0xf
+
 typedef struct hwcursor8514_t {
     int      ena;
     int      x;
@@ -61,6 +67,7 @@ typedef struct ibm8514_t {
     uint32_t vram_mask;
     uint32_t pallook[512];
     uint32_t bios_addr;
+    uint32_t ma_latch;
 
     PALETTE   vgapal;
     uint8_t   hwcursor_oddeven;
@@ -85,8 +92,8 @@ typedef struct ibm8514_t {
         uint16_t advfunc_cntl;
         uint16_t cur_y;
         uint16_t cur_x;
-        int16_t  destx;
-        int16_t  desty;
+        uint16_t destx;
+        uint16_t desty;
         int16_t  desty_axstp;
         int16_t  destx_distp;
         int16_t  err_term;
@@ -117,6 +124,8 @@ typedef struct ibm8514_t {
         int      y1;
         int      y2;
         int      temp_cnt;
+        int16_t  dx_ibm;
+        int16_t  dy_ibm;
         int16_t  cx;
         int16_t  cx_back;
         int16_t  cy;
@@ -216,10 +225,9 @@ typedef struct ibm8514_t {
     uint16_t subsys_cntl;
     uint8_t subsys_stat;
 
-    atomic_int fifo_idx;
-    atomic_int ext_fifo_idx;
     atomic_int force_busy;
     atomic_int force_busy2;
+    atomic_int fifo_idx;
 
     int      blitter_busy;
     uint64_t blitter_time;
@@ -235,6 +243,11 @@ typedef struct ibm8514_t {
     PALETTE  _8514pal;
 
     latch8514_t latch;
+
+    void (*vblank_start)(void *priv);
+    void (*accel_out_fifo)(void *priv, uint16_t port, uint16_t val, int len);
+    void (*update_irqs)(void *priv);
+
 } ibm8514_t;
 
 #endif /*VIDEO_8514A_H*/

src/include/86box/vid_ati_mach8.h

@@ -25,6 +25,7 @@ typedef struct mach_t {
     rom_t         bios_rom;
     rom_t         bios_rom2;
     mem_mapping_t mmio_linear_mapping;
+    mem_mapping_t banked_mapping;
 
     int mca_bus;
     int pci_bus;
@@ -71,7 +72,12 @@ typedef struct mach_t {
     uint8_t  bank_r;
     uint16_t shadow_set;
     uint16_t shadow_cntl;
-    int override_resolution;
+    uint8_t overscan_col_8;
+    uint8_t overscan_b_col_24;
+    uint8_t overscan_g_col_24;
+    uint8_t overscan_r_col_24;
+    uint16_t fifo_test_data[17];
+    int resolution_crt;
 
     struct {
         uint8_t  line_idx;
@@ -79,9 +85,9 @@ typedef struct mach_t {
         uint8_t  patt_idx;
         uint8_t  patt_len;
         uint8_t  pix_trans[2];
-        uint8_t  eeprom_control;
         uint8_t  alu_bg_fn;
         uint8_t  alu_fg_fn;
+        uint16_t eeprom_control;
         uint16_t clip_left;
         uint16_t clip_right;
         uint16_t clip_top;
@@ -92,6 +98,7 @@ typedef struct mach_t {
         uint16_t src_x_end;
         uint16_t src_x_start;
         uint16_t src_x;
+        uint16_t r_src_x;
         uint16_t src_y;
         int16_t  bres_count;
         uint16_t clock_sel;
@@ -100,6 +107,8 @@ typedef struct mach_t {
         uint16_t dest_cmp_fn;
         uint16_t dp_config;
         uint16_t ext_ge_config;
+        uint16_t crt_offset_lo;
+        uint16_t crt_offset_hi;
         uint16_t ge_offset_lo;
         uint16_t ge_offset_hi;
         uint16_t linedraw_opt;
@@ -159,6 +168,7 @@ typedef struct mach_t {
     } accel;
 
     atomic_int force_busy;
+    atomic_int fifo_test_idx;
 } mach_t;
 
 #endif /*VIDEO_ATI_MACH8_H*/