Refined toolchain instructions, organized examples, added automatic retry for CdRead(), added FIOCSCAN ioctl in psxsio TTY driver, added tty and console examples.

1 files changed, 129 insertions, 0 deletions

diff --git a/examples/demos/n00bdemo/smdparser.s b/examples/demos/n00bdemo/smdparser.s
new file mode 100644
index 0000000..379690f
--- /dev/null
+++ b/examples/demos/n00bdemo/smdparser.s
@@ -0,0 +1,129 @@
+.set noreorder
+
+.include "smd_s.h"
+
+.set SMD_PRI_ID,		0
+.set SMD_PRI_v0,		4
+.set SMD_PRI_v1,		6
+.set SMD_PRI_v2,		8
+.set SMD_PRI_v3,		10
+.set SMD_PRI_n0,		12
+.set SMD_PRI_n1,		14
+.set SMD_PRI_n2,		16
+.set SMD_PRI_n3,		18
+.set SMD_PRI_rgbc0,		20
+.set SMD_PRI_rgbc1,		24
+.set SMD_PRI_rgbc2,		28
+.set SMD_PRI_rgbc3,		32
+.set SMD_PRI_tuv0,		36
+.set SMD_PRI_tuv1,		38
+.set SMD_PRI_tuv2,		40
+.set SMD_PRI_tuv3,		42
+.set SMD_PRI_tpage,		44
+.set SMD_PRI_clut,		46
+
+.section .text
+
+
+.comm _smd_parse_addr, 4, 4
+
+
+.global OpenSMD
+.type OpenSMD, @function
+OpenSMD:
+	lw		$v0, SMD_HEAD_ID($a0)
+	li		$v1, 0x01444d53
+	
+	bne		$v0, $v1, .not_smd
+	nop
+	
+	lw		$v0, SMD_HEAD_PPRIMS($a0)
+	la		$v1, _smd_parse_addr
+	sw		$v0, 0($v1)
+	
+	jr		$ra
+	lhu		$v0, SMD_HEAD_NPRIMS($a0)
+	
+.not_smd:
+	jr		$ra
+	move	$v0, $0
+	
+	
+.global ReadSMD
+.type ReadSMD, @function
+ReadSMD:
+
+	la		$v0, _smd_parse_addr
+	lw		$v0, 0($v0)
+	nop
+	
+	lw		$a2, 0($v0)				# Load primitive ID
+	addiu	$a1, $v0, 4
+	
+	sw		$a2, SMD_PRI_ID($a0)
+	
+	beqz	$a2, $end_prim
+	nop
+	
+	srl		$v1, $a2, 24			# Get primitive size
+	addu	$v0, $v1
+	la		$v1, _smd_parse_addr
+	sw		$v0, 0($v1)
+	
+	lw		$v0, 0($a1)				# Copy vertex coords
+	lw		$v1, 4($a1)
+	sw		$v0, SMD_PRI_v0($a0)
+	sw		$v1, SMD_PRI_v2($a0)
+	addiu	$a1, 8
+	
+	srl		$v0, $a2, 2				# Lighting enabled?
+	andi	$v0, 0x3
+	bnez	$v0, $light
+	nop
+	
+	b		$no_light
+	nop
+	
+$light:
+	srl		$v1, $a2, 2
+	lw		$v0, 0($a1)				# Copy vertex coords
+	andi	$v1, 0x3
+	sw		$v0, SMD_PRI_n0($a0)
+	
+	bne		$v1, 0x2, $light_flat
+	addiu	$a1, 4
+	
+	lw		$v1, 0($a1)
+	addiu	$a1, 4
+	sw		$v1, SMD_PRI_n2($a0)
+
+$light_flat:
+$no_light:
+	
+	lw		$v0, 0($a1)
+	nop
+	sw		$v0, SMD_PRI_rgbc0($a0)
+	addiu	$a1, 4
+	
+	srl		$v0, $a2, 5
+	andi	$v0, 0x1
+	beqz	$v0, $not_textured
+	nop
+	
+	lw		$v0, 0($a1)
+	lw		$v1, 4($a1)
+	sw		$v0, SMD_PRI_tuv0($a0)
+	lw		$v0, 8($a1)
+	sw		$v1, SMD_PRI_tuv2($a0)
+	sw		$v0, SMD_PRI_tpage($a0)
+	
+$not_textured:
+	
+	jr		$ra
+	move	$v0, $a0
+	
+$end_prim:
+
+	jr		$ra
+	move	$v0, $0
+	
\ No newline at end of file