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desguar += and -=

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This commit is contained in:
Antoni Piasecki
2026-06-06 18:53:11 +02:00
parent 535364931e
commit 22874181cd
32 changed files with 185 additions and 146 deletions
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22
examples/chip8.zr
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@@ -60,7 +60,7 @@ func chip8_disassemble[c: CHIP8, ins_count: i64] : void
high := c->memory[c->pc] as i64
low := c->memory[c->pc + 1] as i64
c->pc = c->pc + 2
c->pc += 2
ins := (high << 8) | low
nnn := ins & 0x0fff
@@ -156,7 +156,7 @@ func chip8_disassemble[c: CHIP8, ins_count: i64] : void
func chip8_step[c: CHIP8] : void
high := c->memory[c->pc] as i64
low := c->memory[c->pc + 1] as i64
c->pc = c->pc + 2
c->pc += 2
ins := (high << 8) | low
nnn := ins & 0x0fff
@@ -175,22 +175,22 @@ func chip8_step[c: CHIP8] : void
else if op == 0x1
c->pc = nnn
else if op == 0x2
c->sp = c->sp + 1
c->sp += 1
array.set(c->stack, c->sp, c->pc)
c->pc = nnn
else if op == 0x3
if c->reg[x] == kk
c->pc = c->pc + 2
c->pc += 2
else if op == 0x4
if c->reg[x] != kk
c->pc = c->pc + 2
c->pc += 2
else if op == 0x5
if c->reg[x] == c->reg[y]
c->pc = c->pc + 2
c->pc += 2
else if op == 0x6
c->reg[x] = kk
else if op == 0x7
c->reg[x] = c->reg[x] + kk
c->reg[x] += kk
else if op == 0x8
if n == 0x0
c->reg[x] = c->reg[y]
@@ -218,7 +218,7 @@ func chip8_step[c: CHIP8] : void
c->reg[x] = c->reg[x] << 1
else if op == 0x9
if c->reg[x] != c->reg[y]
c->pc = c->pc + 2
c->pc += 2
else if op == 0xa
c->I = nnn
else if op == 0xb
@@ -240,10 +240,10 @@ func chip8_step[c: CHIP8] : void
else if op == 0xe
if kk == 0x9e
if IsKeyDown(array.nth(c->keyboard_map, c->reg[x] as i64))
c->pc = c->pc + 2
c->pc += 2
else if kk == 0xa1
if !IsKeyDown(array.nth(c->keyboard_map, c->reg[x] as i64))
c->pc = c->pc + 2
c->pc += 2
else if op == 0xf
if kk == 0x07
c->reg[x] = c->delay_timer
@@ -259,7 +259,7 @@ func chip8_step[c: CHIP8] : void
else if kk == 0x18
c->sound_timer = c->reg[x]
else if kk == 0x1E
c->I = c->I + c->reg[x]
c->I += c->reg[x]
else if kk == 0x29
c->I = c->reg[x] as i64 * 5
else if kk == 0x33