implement sta, stx, sty

1 files changed, 20 insertions, 20 deletions

diff --git a/cpu.c b/cpu.c
index c0e3877..acb4efb 100644
--- a/cpu.c
+++ b/cpu.c
@@ -559,21 +559,21 @@ sei(uint8_t arg)
 }
 
 static void
-sta(uint8_t arg)
+sta(uint16_t mem)
 {
-/* TODO: complete this */
+        memwrite(mem, regs.a);
 }
 
 static void
-stx(uint8_t arg)
+stx(uint16_t mem)
 {
-/* TODO: complete this */
+        memwrite(mem, regs.x);
 }
 
 static void
-sty(uint8_t arg)
+sty(uint16_t mem)
 {
-/* TODO: complete this */
+        memwrite(mem, regs.y);
 }
 
 static void
@@ -1219,59 +1219,59 @@ interpret(void)
                         cycles += 2;
                         break;
                 case 0x85:
-                        sta(opcode_arg(AM_ZP));
+                        sta(opcode_mem(AM_ZP));
                         cycles += 4;
                         break;
                 case 0x95:
-                        sta(opcode_arg(AM_ZP_X));
+                        sta(opcode_mem(AM_ZP_X));
                         cycles += 5;
                         break;
                 case 0x8d:
-                        sta(opcode_arg(AM_ABS));
+                        sta(opcode_mem(AM_ABS));
                         cycles += 5;
                         break;
                 case 0x9d:
-                        sta(opcode_arg(AM_ABS_X));
+                        sta(opcode_mem(AM_ABS_X));
                         cycles += 6;
                         break;
                 case 0x99:
-                        sta(opcode_arg(AM_ABS_Y));
+                        sta(opcode_mem(AM_ABS_Y));
                         cycles += 6;
                         break;
                 case 0x92:
-                        sta(opcode_arg(AM_IND));
+                        sta(opcode_mem(AM_IND));
                         cycles += 6;
                         break;
                 case 0x81:
-                        sta(opcode_arg(AM_IND_X));
+                        sta(opcode_mem(AM_IND_X));
                         cycles += 7;
                         break;
                 case 0x91:
-                        sta(opcode_arg(AM_IND_Y));
+                        sta(opcode_mem(AM_IND_Y));
                         cycles += 7;
                         break;
                 case 0x86:
-                        stx(opcode_arg(AM_ZP));
+                        stx(opcode_mem(AM_ZP));
                         cycles += 4;
                         break;
                 case 0x96:
-                        stx(opcode_arg(AM_ZP_Y));
+                        stx(opcode_mem(AM_ZP_Y));
                         cycles += 5;
                         break;
                 case 0x8e:
-                        stx(opcode_arg(AM_ABS));
+                        stx(opcode_mem(AM_ABS));
                         cycles += 5;
                         break;
                 case 0x84:
-                        sty(opcode_arg(AM_ZP));
+                        sty(opcode_mem(AM_ZP));
                         cycles += 4;
                         break;
                 case 0x94:
-                        sty(opcode_arg(AM_ZP_X));
+                        sty(opcode_mem(AM_ZP_X));
                         cycles += 5;
                         break;
                 case 0x8c:
-                        sty(opcode_arg(AM_ABS));
+                        sty(opcode_mem(AM_ABS));
                         cycles += 5;
                         break;
                 case 0xaa: